Claims and measurement methods for hair and scalp / Christiane Uhl in PERSONAL CARE EUROPE, Vol. 8, N° 4 (06/2015)  

[article]  inPERSONAL CARE EUROPE > Vol. 8, N° 4 (06/2015) . - p. 37-39 Titre : Claims and measurement methods for hair and scalp Type de document : texte imprimé Auteurs : Christiane Uhl, Auteur ; Diana Khazaka, Auteur Année de publication : 2015 Article en page(s) : p. 37-39 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Analyse d'image L'analyse d'image est la reconnaissance des éléments contenus dans l'image. Il ne faut pas confondre analyse (décomposition en éléments) et traitement (action sur les composantes) de l'image. Cheveux -- Soins et hygiène Cosmétiques -- Tests Cuir chevelu Pellicules (dermatologie) Produits capillaires Index. décimale : 668.5 Parfums et cosmétiques Résumé : Hair diversity (style, shape, growth pattern or colour) is one of the most important features to define us physically. Therefore it is no surprise that the market of hair care products with a value of US$39 billion' is one of the most important sectors in the complete area of cosmetic products. Hair care products for women are the most frequently bought and used cosmetic products of ail. Shampoos and conditioners are leading the field. For men, hair care is the most important and favoured sector of ail cosmetics. The well-known global players e.g. Procter & Gambie, l'Oréal, Unilever, Kao or Beiersdorf have to hold their ground in the different points of sale for hair care against the private brands of the big drugstore chains which are also quite well established. The removal of oily or soil deposits from hair and scalp is of course the common denominator for all hair cleansing products. However, all kinds of other claims go along with hair care products; some are adapted from skin care, e.g. 'herbal & botanical', some are more malter of fact e.g. 'relieves scalp itch', 'anti-friz/frizz control', 'antistatic' or 'removes oil' and some are rather dramatic, like 'ressues hair from dullness' or 'fights dandruff'. The fastest growing claim is 'brightening and illuminating'. Almost half of the newly launched hair care products are advertised with this daim. In 2010 it was only 21% and, in 2014 this had grown to 46% of new products. Note de contenu : - Hair and scalp parameters - Image analysis - Dandruff En ligne : https://drive.google.com/file/d/1Nq8He0nqc1DKfLrnFrYazRQ_rfN5FF96/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24297 [article]

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Efficacy testing of microbiome skin care / Christiane Uhl in PERSONAL CARE EUROPE, Vol. 13, N° 3 (04/2019)  

[article]  inPERSONAL CARE EUROPE > Vol. 13, N° 3 (04/2019) . - p. 41-45 Titre : Efficacy testing of microbiome skin care Type de document : texte imprimé Auteurs : Christiane Uhl, Auteur Année de publication : 2019 Article en page(s) : p. 41-45 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Microbiome cutané Peau -- analyse Peau -- Soins et hygiène Tests d'efficacité Index. décimale : 668.5 Parfums et cosmétiques Résumé : Research on the skin microbiome is a fascinating and trendy topic and will probably evolve further. However, despite the intense research, the microbiome shows huge inter- and intra-individual variation and there has been until now no scientific consensus on its perfect composition. An aspect that still needs more research effort is the influence of cosmetic products on the resident microbiome. What is happening in the microbiome realm when applying oily formulations on skin areas that by nature do not have high sebum production and feature an adapted healthy microbiome ? How can we ensure that added microorganisms will survive in the microbial communities on the skin surface ? And might it be possible that the well¬meant application of probiotic products might have an adverse effect on the skin microbiome, destroying the adapted balance by adding more species of certain bacteria ? The findings that the skin microbiome is essential for skin health pose a challenge to cosmetic industry to develop new products that not only consider traditional skin types such as oily or dry but to widen their understanding of skin types to certain microbiome types. Since the daim behind using formulations modifying, enhancing or feeding the microbiome, is the improvement of skin health and especially the strengthening of the skin barrier function, traditional biophysical testing methods and imaging are well-suited to substantiate health-related claims of such products. Note de contenu : - Fig. 1 : Skin is a natural habitat for a rich variety of microorganisms - Fig. 2 : Culture of sampled microorganisms is the basis for most traditional microbiological tests - Fig. 3 : Tewameter measurement with open measurement chamber does not influence the natural evaporation from the skin - Fig. 4 : The corneometer allows quick and easy hydration measurement at different skin sites - Fig. 5 : Sebum measurement with the sebumeter takes approximately 30 seconds - Fig. 6 : Strong fluorescence of the propionibacterium acnes under UV-illumination of the visiopor camera - Fig. 7 : Calculation of skin texture with visioscan - Fig. 8 : Desquamation mesurement with visioscan using corneofix tape - Fig. 9 : pH-changes may influence microbial association. Their measurement can give valuable information on the efficacy of products En ligne : https://drive.google.com/file/d/1hWJ1CkRaVIGNx0CFjZ1pd8Q0xhbPCvpH/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=32232 [article]

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In-house tests complement CRO final product testing / Diana Khazaka in PERSONAL CARE EUROPE, Vol. 13, N° 4 (09/2019)  

[article]  inPERSONAL CARE EUROPE > Vol. 13, N° 4 (09/2019) . - p. 39-42 Titre : In-house tests complement CRO final product testing Type de document : texte imprimé Auteurs : Diana Khazaka, Auteur ; Christiane Uhl, Auteur Année de publication : 2019 Article en page(s) : p. 39-42 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cosmétiques -- Tests Index. décimale : 668.5 Parfums et cosmétiques Résumé : To observe all these points might seem complicated at first glance. But once you have established a routine, you will see how easy these trials will become. And by testing and screening the efficacy of cosmetic in-house in all development stages of the product, you can be sure that the product that tou hand over to a CRO for the final external documentation is the very best you can do. Note de contenu : - What to consider - Environment - Subject selection - Duration - Fig. 1 : Claims on the product and in advertisements - Fig. 2 : Measurements of skin properties in the lab - Fig. 3 : Monitoring the activity of the acne bacteria - Fig. 4 : a and b : TEWL measurements on up to 24 cultured skin wells, all readings shown simultaneously - Fig. 5 : The Visioscan VC 20 plus - a real multi-talented, economical device suitable for many different applications - Fig. 6 : Pre-screening test are important to find eligible subjects - Fig. 7 : The cleansing procedure should be clearly defined - Fig. 8 : Total security of the product properties through complementary in-house testing En ligne : https://drive.google.com/file/d/1wpQQnKzhAX83-fL5UQhmfbV1aBp4nrl4/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33148 [article]

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In vitro testing - not just for product claims / Ana Carolina Kelmer in GLOBAL PERSONAL CARE, Vol. 25, N° 4 (04/2024)  

[article]  inGLOBAL PERSONAL CARE > Vol. 25, N° 4 (04/2024) . - p. 72-75 Titre : In vitro testing - not just for product claims Type de document : texte imprimé Auteurs : Ana Carolina Kelmer, Auteur ; Georg Wiora, Auteur ; Christiane Uhl, Auteur ; Diana Khazaka, Auteur Année de publication : 2024 Article en page(s) : p. 72-75 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cellules -- Cultures et milieux de culture Cosmétiques -- Tests Déontologie professionnelle Etude in vitro Impédancemétrie Index. décimale : 668.5 Parfums et cosmétiques Résumé : In vitro methods cannot capture all complexities in the body that occur during in vivo tests. Nevertheless, they are an indispensable part of the evaluation process of product effects on the skin. The various in vitro measurement methods are on the rise and will become increasingly important in the future, as Courage + Khazaka explains. Note de contenu : - Ethical concerns - Logistical challenges - Common in vitro measurements - Cell cultures - Ultrasensitive impedance spectroscopy to replace the Draize test En ligne : https://drive.google.com/file/d/11yvfvnE2kJfm4OpuUDqPncNpf7S8S1_h/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41040 [article]

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Measurement and understanding of TEWL / Diana Khazaka in PERSONAL CARE EUROPE, Vol. 7, N° 3 (04/2014)  

[article]  inPERSONAL CARE EUROPE > Vol. 7, N° 3 (04/2014) . - p. 70-72 Titre : Measurement and understanding of TEWL Type de document : texte imprimé Auteurs : Diana Khazaka, Auteur ; Christiane Uhl, Auteur Année de publication : 2014 Article en page(s) : p. 70-72 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Dermo-cosmétologie Mesure Perte insensible en eau Index. décimale : 668.5 Parfums et cosmétiques Note de contenu : - Measuring of TEWL - Guidelines for TEWL measurement - Special applications - New trends : TEWL in vitro measurement - Reduction in measuring time - OSAAD software En ligne : https://drive.google.com/file/d/1mn-eg3qdWSnnE5J6SmkEAsAfybWTzRkP/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21112 [article]

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Skin pH assessment for sensitive skin claims / Christiane Uhl in GLOBAL PERSONAL CARE, Vol. 24, N° 4 (04/2023)  

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Skin sensitisation in pandemic times / Christiane Uhl in GLOBAL PERSONAL CARE, Vol. 22, N° 6 (06/2021)  

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Test equipment supports anti-pollution claims / Christiane Uhl in PERSONAL CARE EUROPE, Vol. 11, N° 4 (09/2017)  

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