Banjiro extract promotes hair growth / Yoshiki Yamaguchi in PERSONAL CARE EUROPE, Vol. 4, N° 1 (03/2011)  

[article]  inPERSONAL CARE EUROPE > Vol. 4, N° 1 (03/2011) . - p. 99-101 Titre : Banjiro extract promotes hair growth Type de document : texte imprimé Auteurs : Yoshiki Yamaguchi, Auteur ; Masafumi Morioka, Auteur ; Fukuyoshi Mori, Auteur ; Ryo Yamada, Auteur Année de publication : 2011 Article en page(s) : p. 99-101 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cheveux -- Soins et hygiène Extraits de plantes:Extraits (pharmacie) Guava Produits capillaires Index. décimale : 668.5 Parfums et cosmétiques Résumé : Banjiro is commonly called guava. Vuavas are cultivated for food in tropical countries and the fruit can be eaten raw or cooked and is often used in desserts. Its fruit, leaves and roots are used as folk medicines for treating diabetes mellitus and for relieving diarrhoea. The leaves contain polyphenol, which acts to reduce glucose absorption, has an antiallergic effect, and is used to make a healthy tea in Japan. We discovered that guava leaf extract obtained by a special extraction method has growth effects for hair follicle cells and dermal papilla cell and antiandrogen effects. We also determined that the guava leaf extract had a positive effect on hair growth in a human clinical stury (n=16). Note de contenu : - Antitestosterone efficacy - Proliferative efficacy of hair follicle cells - Proliferative efficacy of hair dermal papilla cells - Clinical efficacy of Fuji Banjiro Leaf Extract En ligne : https://drive.google.com/file/d/1zVWfX5t92cK9Kvql1WicIni4bDT1nQ-x/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13459 [article]

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Diverse skin benefits of an amphiphilic AsA derivative / Takeshi Nagata in GLOBAL PERSONAL CARE, Vol. 22, N° 7 (07/2021)  

[article]  inGLOBAL PERSONAL CARE > Vol. 22, N° 7 (07/2021) . - p. 47-49 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 : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36299 [article]

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A new nonionic ascorbic acid derivative / Takeshi Nagata in PERSONAL CARE EUROPE, Vol. 7, N° 1 (02/2014)  

[article]  inPERSONAL CARE EUROPE > Vol. 7, N° 1 (02/2014) . - p. 36-38 Titre : A new nonionic ascorbic acid derivative Type de document : texte imprimé Auteurs : Takeshi Nagata, Auteur ; Yoshiki Yamaguchi, Auteur ; Toshiya Tsujino, Auteur ; Shinobu Ito, Auteur ; Takahiro Fujimoto, Auteur ; Masato Yoshioka, Auteur Année de publication : 2014 Article en page(s) : p. 36-38 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Antiâge Antibactériens Biomolécules actives Composés amphiphiles Cosmétiques Fibroblastes Ingrédients cosmétiques Peau -- Soins et hygiène Tests de toxicité Vitamine C Index. décimale : 668.5 Parfums et cosmétiques Résumé : In cosmetic products, ascorbic acid derivatives are widely used, because of the instability of ascorbic acid (AsA) (called vitamin C as its alias). As a new nonionic and amphiphilic ascorbic-acid derivative, 2-glyceryl-3-octyl ascorbate (GO-VC), which is synthesised by introducing an octyl and a glyceryl group into ascorbic acid structure, has been recently developed. Due to its unique chemical structure, in addition to the effects of AsA, GO-VC is expected to have a humectant effect derived from glycerin and an anti-bacterial property derived from octanol, and also is highly likely to have a fibroblast activation ability, and a melanogenesis-suppressing and skin pore and wrinkle improving effect. GO-VS's safety tests, which include a human skin-sensitivity test [repeat insult patch test (RIPT)], ocular irritation test [bovine corneal opacity and permeability (BCOP) assay], genetic toxicity (Ames test), and clinical human skin patch test, have been performed, confirming the safety of GO-VC. Note de contenu : - FUNCTIONS OF GO-VC : The fibroblast proliferating ability of GO-VC - The melanogenesis-suppressing ability of GO-VC - The result of closed patch test of GO-VC - The beautifying effect of GO-VC En ligne : https://drive.google.com/file/d/1TRdaSTdHfD1FQGirbml92r5-a_XYG6BA/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=20469 [article]

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