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GLOBAL PERSONAL CARE / Probert, Tim . Vol. 22, N° 7Mention de date : 07/2021Paru le : 09/07/2021 |
Dépouillements
Ajouter le résultat dans votre panierInclusivity : strengthening for african-textured hair / Aude Lemoine-Dessaint in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
[article]
Titre : Inclusivity : strengthening for african-textured hair Type de document : texte imprimé Auteurs : Aude Lemoine-Dessaint, Auteur Année de publication : 2021 Article en page(s) : p. 28-30 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Africain(ne)s
Cheveux -- analyse
Cheveux -- Soins et hygiène
Cheveux frisés
Conditionneurs (cosmétique)
Produits capillairesIndex. décimale : 668.5 Parfums et cosmétiques Résumé : African textured hair has been under-served in terms of product ranges in the past, but we are seeing a growth in demand and products such as Croda’s novel protein can assist.
Daily grooming activities like styling or combing alongside colouration, hair perms, straightening and thermal treatments, and even exposure to environmental aggressors like UV and pollution can lead to the degradation of hair’s structure and mechanical properties. Whether it is via mechanical or chemical means or a combination of both, the hair fibre will get damaged and become weak, dull, brittle, and more susceptible to breakage over time. Hair damage occurs globally and affects all hair types regardless of ethnicity, but does it mean the effects are the same ?
Hair is something that we all have or at least had at one time or another. Its basic structures are essentially the same across different ethnicities. Hair fibre is composed of protein, 91%, of which is approximately 50% keratin, and can be divided in two parts: the cuticles and cortex. The cortex is the thickest part and the primary source of hair strength, elasticity, and resilience. It consists of a complex internal structure formed from elongated cortical cells. The cuticle is the protective sheath that surrounds the cortex. It covers the cortex, acts as a resistant barrier and influences hair appearance, manageability and feel.
However, the hair anatomy can vary from person to person, there are genetic variances in hair type across ethnicities that generate differences in oiliness, cuticle size, hair shape and natural hair style. At one extreme, African hair is the curliest, most elliptical, flattest, and driest of the hair types. It has the smallest diameter of hair types, which, moreover, varies radically along the fibre, leading to weak points and hair fragility. At the other extreme, Asian hair is the straightest, most round, and most oily hair type. The properties of Caucasian and Hispanic hair tend to fall in between these two extremes.Note de contenu : - Table 1 : African, caucasian, asian and hispanic hair properties
- Fig. 1 : Curl type classification
- Fig. 2 : Graph showing the difference in Median values following one conditioner application
- Fig. 3 : Graph showing the difference in characteristic Life values following one conditioner application
- Fig. 4 : Graph showing the difference in Survival Probability following one conditioner application
- Fig. 5 : The cross-sectional area of hair fibres from various treatments
- Fig. 6 : The elastic modulus of hair fibres from various treatmentsEn ligne : https://drive.google.com/file/d/1VTYSSVoEc_DerMALyaIwxdOqCwOBz32I/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36296
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Azelaic acid : multifunctional active for african skin care / Lisanne Brouns in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : Azelaic acid : multifunctional active for african skin care Type de document : texte imprimé Auteurs : Lisanne Brouns, Auteur Année de publication : 2021 Article en page(s) : p. 35-37 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Africain(ne)s
Azélaique, AcideL'acide azélaïque est un diacide carboxylique aliphatique. C'est un anti-acnéique et un kératolytique.
Biomolécules actives
Cosmétiques
Dermo-cosmétologie
Formulation (Génie chimique)
Peau noire -- Soins et hygièneIndex. décimale : 668.5 Parfums et cosmétiques Résumé : In this article, some specific characteristics of African dark skin are summarised together with the main features of the active substance azelaic acid. According to them it is concluded that azelaic acid is a multifunctional active that can find significant application in the formulation of skin care products intented for the African market. In addition, the preparation tips of a formulation (oil free serum) containing 10% of an ultra-pure, micronised, 100% obtained from sunflower oil ingredient are discussed. Note de contenu : - Table 1 : Characteristics
- Table 2 : Benefits and applications
- Formulation 1 : Oil-free serum for skin with disorders (skin prone to acne) - Triple action : Anti-imperfection, anti-residual marks, anti-agingEn ligne : https://drive.google.com/file/d/1QwV7ljSgIAzASJD08RqqVjYu99KrkgiQ/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36297
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Superior SPF booster performance for daily wear / Barry Zhang in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
[article]
Titre : Superior SPF booster performance for daily wear Type de document : texte imprimé Auteurs : Barry Zhang, Auteur ; Kheng Wei Lim, Auteur ; Caroline Mabille, Auteur Année de publication : 2021 Article en page(s) : p. 42-44 Langues : Anglais (eng) Catégories : Cosmétiques
Facteur de protection solaire
Formulation (Génie chimique)
Peau -- Soins et hygiène
Produits antisolaires
Protection cutanéeIndex. décimale : 668.5 Parfums et cosmétiques Résumé : UV protection is no longer just for sun creams as consumers now demand that claim on more daily wear products. Solvay discuss their SPF booster that can help with these formulations.
The global market of sun protection products is expected to grow at a CAGR of nearly 7% during 2020-2030 (source: Fact.MR). Asian countries are projected to lead this demand, with higher expenditure on sun protection products for hair and skin, while North America and Europe will not be far behind.
This new market growth is mostly due to greater media coverage and health education programmes that aim to improve consumer awareness regarding the dangers of too much sun. In the US, the use of sun protection has increased by 30.7% between 2000 and 2015. This is a result of greater awareness about the harmful effects of overexposure to the sun’s UV rays without protection. Consumers are beginning to change their habits and are demanding sun protection solutions for daily usage
However, high SPF formulas are usually expensive and have sensory negatives which limit the penetration of high SPF products into daily wear applications. For consumers to agree to using more SPF in their products, formulations need to meet their criteria of a positive sensory experience : a light and non-sticky feeling.
Furthermore, it is not just about SPF anymore as the global sun care market demand develops toward “multi-purpose sun care products”. Consumers are interested in products that can also address other skin concerns such as antiageing, pollution and moisturising.Note de contenu : - Optimising the efficiency of UV protection
- SPF booster for greater sun protection performance
- A sun protection solution without all the negatives
- A unique sensory experience : Excelent electrolyte tolerance & stability - Powerful suspending ability - An answer to growing concerns over ingredient safety - Enabling a large range of innovative formulations with added benefits
- From regular sunscreen protection to day wear sun protection products
- Fig. 1 : In vivo studies - Formulation SC-16-065 = Light Touch Day Protection Lotion SPF 46
- Fig. 2 : Schematics of Rheomer SC Plus mode of action
- Fig. 3 : In vitro SPF assessment of different acrylates/beheneth-25 methacrylate copolymer
- Fig. 4 : Sensory evaluation of one of our formulations containing Rheomer SC Plus (Formula SC-16-065) compared to market formula
- Fig. 5 : Viscosity vs. PBSA
- Fig. 6 : Yield value vs polymer concentration
- Formulation SC-16-036 : Mineral sunblock cream
- Formulation SC-19-150: Antioxidant UV shield facial care gel-cream - SPF 46
- Formulation SC-16-042 : Everyday sunscreen sprayEn ligne : https://drive.google.com/file/d/1zTwOJNXUQ29taFLjrMGUxLLULOjAHgts/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36298
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Diverse skin benefits of an amphiphilic AsA derivative / Takeshi Nagata in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : Diverse skin benefits of an amphiphilic AsA derivative Type de document : texte imprimé Auteurs : Takeshi Nagata, Auteur ; Yui Oshida, Auteur ; Yoshiki Yamaguchi, Auteur ; Toshiya Tsujino, Auteur ; Shinobu Ito, Auteur Année de publication : 2021 Article en page(s) : p. 47-49 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acné L'acné (nom féminin) est une dermatose (maladie de la peau) inflammatoire des follicules pilosébacés (glandes sécrétant le sébum, à la racine des poils) avec formation de comédons.
Cette maladie de la peau est représentée dans sa forme la plus fréquente par l'acné polymorphe juvénile qui touche les adolescents, mais qui ne résume pas toutes les acnés. Il existe aussi des acnés exogènes d'origine professionnelle, médicamenteuse, cosmétique...
Agents de blanchiment
Antiâge:Antirides
Antimicrobiens
Antioxydants
Ascorbique, Acide -- Dérivés
Barrière cutanée
Biomolécules actives
Peau -- Soins et hygiène
Régénération (biologie)Index. décimale : 668.5 Parfums et cosmétiques Résumé : 2-O-glyceryl-3-O-octyl ascorbate (GO-VC) is a stable amphiphilic ascorbic acid (AsA) derivative in which AsA is bound with octanol, which has antibacterial activity, and glycerin, which has a moisturising effect. GO-VC has effects that have not been confirmed with conventional AsA derivatives, such as antibacterial / antiviral effects and epidermal barrier function-reinforcing effect, and many clinical results of acne, wrinkle and pigmentation improving effects by doctors have been obtained. In recent years, an epidermal regeneration-enhancing effect has also been found, which leads to improvement of skin problems such as dryness, acne, wrinkles and pigmentation. In other words, GO-VC has a wide variety of skin physiological effects. Therefore, GO-VC could add various skin physiological effects by blending it in cosmetics and other preparations, and can be said to be an epoch-making AsA derivative. Note de contenu : - Physical characteristics
- Antioxidant effect, chlorine-removal effect, and antibacterial/antiviral effect
- Epidermal barrier function reinforcing effect
- Anti-acne effect, anti-wrinkle effect, and skin-lightening effect
- Epidermal regeneration-enhancing effect
- Fig. 1 : Chemical structure of 2-O-glyceryl-3-O-octyl ascorbate (GO-VC). INCI name Caprylyl 2-glyceryl ascorbate
- Fig. 2 : Stabilities of ascorbic acid (AsA), ascorbyl glucoside (AA2G), ascorbyl phosphate (AP, trisodium ascorbyl palmitate phosphate (APPS) and 2-O-glyceryl-3-O-octyl ascorbate (GO-VC)
- Fig. 3 : Effect of 2-O-glyceryl-3-O-octyl ascorbate (GO-VC) on the porcine epidemic diarrhea (PED) virus
- Fig. 4 : Effect of 2-O-glyceryl-3-O-octyl ascorbate (GO-VC) on the skin surface water content (SWC) and the trans-epidermal water loss (TEWL)En ligne : https://drive.google.com/file/d/1_PT4jRS4-RSnej9EXxk2aTxgx3LmotuV/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36299
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Retinyl esters are not alike an in vitro study / Caroline Smal in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : Retinyl esters are not alike an in vitro study Type de document : texte imprimé Auteurs : Caroline Smal, Auteur ; Roland Hubaux, Auteur ; Michel Salmon, Auteur ; Stéphanie Clendennen, Auteur ; Robin Matton, Auteur Année de publication : 2021 Article en page(s) : p. 51-53 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge
Cellules -- Cultures et milieux de culture
Dermo-cosmétologie
Esters de rétinyle
Fibroblastes
Ingrédients cosmétiques
Peau -- Soins et hygièneIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Retinol is well-established in cosmetics as an anti-ageing ingredient. It is known to increase cell proliferation and production of extracellular matrix elements such as hyaluronic acid. Anti-ageing products containing retinol may therefore decrease the appearance of wrinkles and improve skin texture. Unfortunately, retinol also suffers from chemical instability and the potential to irritate skin. To circumvent these issues, several derivatives of retinol have been developed with improved stability while still retaining the anti-ageing effects. The derivatives contain unsaturated fatty acids, either purified linoleic acid or a blend derived from sunflower seed oil. A comparative in vitro study was conducted to compare the effect of different test materials on human dermal fibroblast proliferation and production of hyaluronic acid. The test materials included retinol and three different esters of retinol (Retinyl sunflowerseedate, Retinyl linoleate, and Retinyl palmitate). Note de contenu : - Fig. 1 : Representative images of fibroblast cultures after 72h of treatment under control conditions and with test retinoids
- Fig. 2 : Cell proliferation by BrDU incorporation assay
- Fig. 3 : Quantification of HA release from fibroblasts treated with controls and test retinoidsEn ligne : https://drive.google.com/file/d/1nHem82OjcQ0TFjFgWu6Etpedfk9gwo_3/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36300
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible No more skin dryness after cleansing / Volker Rosenberger in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : No more skin dryness after cleansing Type de document : texte imprimé Auteurs : Volker Rosenberger, Auteur ; Riccardo Sfriso, Auteur ; Guillaume Laurent, Auteur ; Silke Adamietz, Auteur Année de publication : 2021 Article en page(s) : p. 55-56 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Gel douche
Peau -- Soins et hygiène
Produits hydratants
Produits nettoyants
Savon
Sécheresse cutanéeUne xérose est un dessèchement de la peau.
Elle peut avoir différentes causes, comme certaines pathologies (dermatite atopique aussi appelé eczéma atopique), des carences, notamment en Vitamine A, ou des facteurs externes, comme les contacts avec des substances irritantes ou le traitement par certains médicaments.Index. décimale : 668.5 Parfums et cosmétiques Résumé : Consumers are increasingly concerned about the impact of such regular skin cleansing during the pandemic. DSM’s Pentavitin ingredient has 'moisture-magnet' properties to alleviate these issues.
As the responses to one of our recent global consumer surveys made clear, there is still a need for effective skin cleansers that also provide instant and long-lasting moisturisation after use. To address this unmet need, DSM has carried out some new studies with its hero ingredient Pentavitin®, a 100% natural, sustainably produced, moisturiser renowned for its moisturemagnet properties. Our findings from these studies show that common skin cleansing formulations containing Pentavitin immediately increase skin hydration for 24 hours, meaning an end to skin dryness post-cleansing or showering. We also found that even with frequent showering, Pentavitin helps reinforce the skin’s barrier while protecting against dryness.Note de contenu : - About NMF – the key to sustaining skin hydration
- Study 1 : Hydration and skin barrier boost for Caucasian skin in a shower gel formulation : Study design - Findings
- Study 2 : Lasting hydration for Asian skin in a body wash formulation - Findings - Boosting foam volume in soapbased products
- Fig. 1 : Evaluation of skin hydration after 7 days with shower gel (soap-free, pH 5) formulations
- Fig. 2 : Evaluation of skin hydration (MMSC) over 7 days with body wash (soap based pH 9) formulationsEn ligne : https://drive.google.com/file/d/17bO6leYZYKa_09AreYt5mYD1rLw0jlDa/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36301
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Carrot hallal ingredients : skin care benefits / Beom Zoo Lee in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : Carrot hallal ingredients : skin care benefits Type de document : texte imprimé Auteurs : Beom Zoo Lee, Auteur ; Bae-Hwan Kim, Auteur Année de publication : 2021 Article en page(s) : p. 62-64 Langues : Anglais (eng) Catégories : Antiâge:Antirides
Antioxydants
Carotte et constituants
Cosmétiques halal
Ingrédients cosmétiques
Peau -- Soins et hygiène
PolyphénolsLes polyphénols constituent une famille de molécules organiques largement présente dans le règne végétal. Ils sont caractérisés, comme l’indique le nom, par la présence d'au moins deux groupes phénoliques associés en structures plus ou moins complexes, généralement de haut poids moléculaire. Ces composés sont les produits du métabolisme secondaire des plantes.
Les polyphénols prennent une importance croissante, notamment grâce à leurs effets bénéfiques sur la santé. En effet, leur rôle d’antioxydants naturels suscite de plus en plus d'intérêt pour la prévention et le traitement du cancer, des maladies inflammatoires, cardiovasculaires et neurodégénératives. Ils sont également utilisés comme additifs pour les industries agroalimentaire, pharmaceutique et cosmétique
"Ils ont tous en commun la présence d'un ou plusieurs cycles benzéniques portant une ou plusieurs fonctions hydroxyles". La désignation "polyphénols" est consacrée par l'usage et, alors qu'elle ne devrait concerner que les molécules portant plusieurs fonctions hydroxyle phénolique, elle est habituellement utilisée pour l'ensemble de ces composés.
Les polyphénols naturels regroupent donc un vaste ensemble de substances chimiques comprenant au moins un noyau aromatique, portant un ou plusieurs groupes hydroxyle, en plus d’autres constituants. Il y a quatre principales familles de composés phénoliques : les acides phénoliques (catéchol, acide gallique, acide protocatéchique), les flavones, l'acide chlorogénique et les quinones. Ils peuvent aller de molécules simples, comme les acides phénoliques, à des composés hautement polymérisés, de plus de trente mille daltons, comme les tanins (acide tannique).
Les polyphénols sont communément subdivisés en phénols simples, acides phénoliques et coumarines, en naphtoquinones, en stilbénoïdes (deux cycles en C6 liés par deux atomes de carbone), en flavonoïdes, isoflavonoïdes et anthocyanes, et en formes polymérisées : lignanes, lignines, tanins condensés. Ces squelettes carbonés de base sont issus du métabolisme secondaire des plantes, élaborés par la voie du shikimate.
Les polyphénols sont présents dans diverses substances naturelles : sous forme d'anthocyanine dans les fruits rouges, le vin rouge (en relation avec les tanins, phénomène du "paradoxe français"), sous forme de proanthocyanidines dans le chocolat et le vin, d'acides caféoylquinique et féruloylquinique dans le café, de flavonoïdes dans les agrumes, et sous forme de catéchines comme le gallate d'épigallocatéchine dans le thé vert, de quercétine dans les pommes, les oignons, le vin rouge, etc.
D'après une étude réalisée avec des volontaires via Internet, les sources alimentaires de polyphénols sont principalement le café (36,9 %), le thé — vert ou noir — (33,6 %), le chocolat pour son cacao (10,4 %), le vin rouge (7,2 %) et les fruits (6,7 %)18. Parmi les fruits, les polyphénols, très présents dans toutes les pommes, sont encore plus concentrés dans les pommes à cidre (riches en tanin), qui peuvent en contenir jusqu'à quatre fois plus : c'est une biodiversité qui se manifeste en richesse aussi bien qualitativement que quantitativement en polyphénols. (Wikipedia)
Produits hydratantsIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Halal, which translates to ‘possible’ in Sharia law, is used to describe food, medical, and cosmetic products that do not violate the laws of Islam. Whereas Halal has been mainly associated with food, Malaysia announced its Halal cosmetic standards in 2008, resulting in numerous Halal-certified cosmetics having been released in the country as of 2021. Indonesia’s LPPOM MUI (The Assessment Institute for Foods, Drugs, and Cosmetics of Majelis Ulama Indonesia) will also require all cosmetics to be Halal-certified by October 2026.
The global market for Halal cosmetics was $66 billion in 2019. Furthermore, the 2020/2021 State of Global Islamic Economy Report predicts that the Halal cosmetics market will see an average annual growth of 2.9% over the next six years.
Although animal-based collagen was used as an ingredient for cosmetics in the past, recent cosmetics instead mainly use natural ingredients. Customers tend to have more trust in cosmetics or ingredients that are derived from natural sources. With Halal certification, such products would be in a strong position to enter the Halal market.
Carrots are an agricultural vegetable product belonging to the Apiaceae family. Eastern carrots tend to be long and thick whereas Western carrots tend to be relatively shorter and thinner in shape. In the first half of 2021, carrot production in Korea reached 33,000 tonnes, which is up 24.4% from the previous year and up 14.1% from the annual average production. Carrots are known to help prevent arteriosclerosis, strengthen the immune system, and improve eye and skin health.
The skin-related effects of carrots are attributed to extensin, a type of hydroxyproline-rich glycoprotein found in carrot cells. The cell walls of carrot cells are composed of plant glycoproteins containing hydroxyproline (OH-proline) known as extensin, which are similar to collagen. Extensin, which has an -OH functional group on the proline side chain, is used to produce skin care cosmetics and hair products with moisturising effects.
Chemland developed new Halal ingredients that could potentially replace animal-based collagen by subjecting agricultural products such as carrots, oyster mushrooms, mung beans, and red ginseng to plant enzyme treatment.
Chemland has a total of 21 Halal certifications – eight for new cosmetic ingredients and 13 for modelling facial masks and cosmetic creams – from The Assessment Institute for Foods, Drugs and Cosmetics of MUI, the Halal certification body of Indonesia. This paper describes the biological activities of new ingredients extracted from Halal carrots and the antioxidant, anti-wrinkle, and clinically-proven moisturising effects of Halal creams containing the new ingredients.Note de contenu : - Development of new Halal ingredients extracted via plant enzyme treatment
- ABTS radical scavenging activity
- Superoxide dismutase like activity
- Collagenase inhibitory activity
- Elastase inhibition assay
- Total polyphenol content assay
- Cell viability
- Moisturising effects of creams with animalbased collagen and the new carrot-derived enzyme-extracted Halal ingredients
- Fig. 1 : ABTS radical scavening activities of the new carrot halal ingredients
- Fig. 2 : SOD-like activities of the new carrot hallal ingredients
- Fig. 3 : Collagenase inhibitory activities of the new carrot halal ingredients
- Fig. 4 : Elastase inhibitory activities of the new carrot halal ingredients
- Fig. 5 : Effects of the new carrot halal ingredients on UVB-irradiated HDF cell line viability
- Fig. 6 : Moisturizing effects of a cream containing animal-based collagen and two creams containing the new carrot halal ingredients
- Table 1 : Total polyphenol contents of the new carrot halal ingredientsEn ligne : https://drive.google.com/file/d/1Z-pWnfWgvP0EnVS3ymlbnogLieZuwchw/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36302
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible Ferment-derived HA complex aids skin health / James V. Gruber in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
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Titre : Ferment-derived HA complex aids skin health Type de document : texte imprimé Auteurs : James V. Gruber, Auteur ; Ezgi Todurge, Auteur Année de publication : 2021 Article en page(s) : p. 69-71 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cosmétiques
Hyaluronique, acideL'acide hyaluronique est un type de polysaccharide (plus précisément une glycosaminoglycane) non fixé à une protéine centrale et largement réparti parmi les tissus conjonctifs, épithéliaux et nerveux animaux.
Il se trouve notamment dans l'humeur vitrée et le liquide synovial. Il est l'un des principaux composants de la matrice extracellulaire ainsi que de certaines mucoprotéines lorsqu'il est associé à une fraction protéique.
Depuis les années 1990, il est très utilisé dans divers dispositifs médicaux, médicamenteux et cosmétiques (présenté dans ce dernier cas comme "antistatique, humectant, hydratant, conditionneur cutané, anti-âge, etc."), bénéficiant d'un effet de mode grandement soutenu par une large publicité commerciale.
Contribuant de façon significative à la prolifération et à la migration des cellules, l'acide hyaluronique est aussi impliqué dans la progression de certains cancers. (Wikipedia)
Ingrédients cosmétiques
Peau -- Soins et hygièneIndex. décimale : 668.5 Parfums et cosmétiques Résumé : BotanicalsPlus’s ferment-derived hyaluronic acid complex provides multifunctional benefits to the skin.
Hyaluronic acid (HA) has been one of the most popular polysaccharides to appear in personal care products in the last decade. The molecule was originally isolated from Rooster combs where it was available in significant amounts and at high molecular weight. However, it has now been found that several microorganisms can produce appreciable quantities of the glucosaminoglycan also at high molecular weights. In addition, with the discovery of Hyaluronidase (a key enzyme that breaks down high molecular weight HA), it is now possible to commercially create various molecular weight fractions of HA from very high (1.5-2 Million Daltons (MDa*)) to very low (5-20 Kilo Daltons (kDa)).Note de contenu : - Fig. 1 : Schematic diagram of Hyaluronate Receptor protein binding to hyaluronic acid within a keratinocyte skin cell. Binding of hyaluronic acid to the Hyaluronate Receptor protein creates a glycoprotein conjugate that drives numerous skin cell functions including barrier formation, tight junction protein formation, Calcium ion flux and keratinocyte cellular proliferation and differentiation
- Fig. 2 : Results of ECM-III assay comparing protein expression in pg/μg of protein expressed showing Untreated keratinocytes, cells treated with DbcAMP (positive control) and cells treated with 1.0% BP—Triluronic® Acid. Asterisks indicate statistical p<0.05 significance against Untreated control cells
- Fig. 3 : Schematic representation of BP-Triluronic Acid polysaccharide complex showing how the High MW fraction (1.5-2.0 MDa) and medium MW fraction (200-500 kDa) would tend to reside at the surface of the skin while the Low MW fraction (5-10 kDa) would penetrate below the Stratum Corneum and be able to contact the viable Epidermis containing the Keratinocyte cells examined in the studies reportedEn ligne : https://drive.google.com/file/d/1ZQk1Qm8eZIvpIZzG_7ocUZmFlpYkVnXC/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36303
in GLOBAL PERSONAL CARE > Vol. 22, N° 7 (07/2021) . - p. 69-71[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible The cosmetic preservation (r)evolution / Barbara Olioso in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)
[article]
Titre : The cosmetic preservation (r)evolution Type de document : texte imprimé Auteurs : Barbara Olioso, Auteur Année de publication : 2021 Article en page(s) : p. 72-73 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Conservateurs (chimie)
Consommateurs -- Attitudes
Consommateurs -- Préférences
Cosmétiques -- AdditifsIndex. décimale : 668.5 Parfums et cosmétiques Résumé : Consumers are increasingly seeking natural and clean beauty formulations and here Barbara Olioso explains how to choose the right preservatives.
The cosmetic industry has evolved and grown considerably in the last 20 years. With it also its consumers, at first mainly interested in what the cosmetic products could do for them, then also moving towards how they represented their values and beliefs. In this article I will share how I see the evolution of cosmetic preservation from my professional experience in the industry.Note de contenu : - The age of innocence
- The age of controversy
- The free-from and clean beauty age
- Cosmetics as a mirror of consumers' values
- The dilemma
- The age of multifunctionalsEn ligne : https://drive.google.com/file/d/1Lz-VLrU-wBwembfzT3Va3J0SNzLFERj9/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36304
in GLOBAL PERSONAL CARE > Vol. 22, N° 7 (07/2021) . - p. 72-73[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 22813 - Périodique Bibliothèque principale Documentaires Disponible
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Titre : Improvement of preservative systems Type de document : texte imprimé Année de publication : 2021 Langues : Anglais (eng) Catégories : Conservateurs (chimie)
Cosmétiques -- Conservation
Diols
Lactate de zinc
Lactique, AcideL'acide lactique est un acide organique qui joue un rôle dans divers processus biochimiques. Un lactate est un sel de cet acide. Contrairement à ce que peut laisser penser son nom, l'acide lactique n'est pas présent uniquement dans le lait, mais également dans le vin, certains fruits et légumes, et dans les muscles.
L'acide lactique est un acide alpha hydroxylé, sa formule chimique est C3H6O3 et sa structure se reflète dans son nom systématique, l'acide 2-hydroxypropanoïque.
ZincIndex. décimale : 668.5 Parfums et cosmétiques Résumé : The author discusses the importance of multifunctionals in preservative systems, helping to achieve a win-win for consumer and manufacturer.
"Nowadays it must be hard to be a preservative. Every formulator needs you but no one wants you". says Dr Carsten Dietz, technical expert in sustainable preserving systems. Over the past decade, preservatives have been the subject of much controversial discussion and thus came to the attention of the public : many magazines and rating sites started talking about this contentious topic.Note de contenu : - To improve preserving systems the usage of multifunctionals is strongly recommended : Organic acids - Alcohols, diols and polyols - Natural extracts and essential oils
- Conclusion on how to improve preserving systems in cosmetics
- Fig. 1 : Zinc salt of lactic acid
- Fig. 2 : Versatile functions of zinc lactate
- Fig. 3 : Challenge test results of 0.1 % Cosphaderm® Zinc Lactete natural tested in micellar water
- Fig. 4 : Challenge test results of 0.7 % Cosphaderm® Dicapo natural tested in day cream
- Fig. 5 : Challenge test results of 0.7 % Cosphaderm® Dicapo natural tested in day cream
- Fig. 6 : Overview of Cosphaderm® Diols and a comparison of their water solubility and antimicrobial efficiencyEn ligne : https://drive.google.com/file/d/1NZXU6kpkU3qvjoHUip7LnfitEByBkJJk/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36305
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