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- W4282560571 abstract "This study aims to evaluate the in vitro and clinical effects of topical acetylhexapeptide-8 (AH8) on the appearance of oily skin.In vitro SEB-1 human sebocyte cell lines were exposed to different concentrations of AH8, then the lipid content of the sebocytes was measured. For the randomized, controlled, split-face clinical study, participants received AH8 10% lotion formulated in Cetaphil Moisturizing Facial Lotion on one side of their face and the control vehicle lotion on the other side of their face. Facial oiliness was assessed by a trained physician using a three-point grading system, high-resolution digital photographs, and a sebumeter (SM815). Participants also filled out self-assessments of their skin oiliness.The in vitro experiments showed that sebocyte lipid content significantly decreased after AH8 treatment (p < 0.05 at 0.00005% AH8, p = 0.09 at 0.0005% AH8, p < 0.05 at 0.005% AH8, and p < 0.001 at 0.025% AH8). In the clinical study, participants trended towards a 10% reduction (p = 0.16) in sebum production after AH8 treatment in comparison to the vehicle treatment.AH8 inhibits the accumulation of lipids in sebocytes in vitro without altering cell proliferation or SREBP-1 expression. Topical AH8 trended towards decreased sebum production in human participants. The use of AH8 may serve as a promising agent to reduce sebocyte lipid production and the appearance of oily skin. RÉSUMÉ: Objectif Cette étude vise à évaluer les effets in vitro et cliniques de l'acétylhexapeptide-8 (AH8) topique sur l'aspect de la peau grasse. Méthode Des lignées cellulaires de sébocytes humains SEB-1 in vitro ont été exposées à différentes concentrations d'AH8, à la suite de quoi la teneur en lipides des sébocytes a été mesurée. Pour l'étude clinique randomisée, contrôlée, en hémi-visage, les participants ont reçu une lotion AH8 10 % formulée dans la lotion hydratante pour le visage Cetaphil d'un côté de leur visage et la lotion témoin de l'autre côté de leur visage. Le sébum du visage a été évalué par un médecin formé à l'aide d'un système de classification à trois points, de photographies numériques à haute résolution et d'un sébumètre (SM815). Les participants ont également rempli des auto-évaluations du sébum de leur peau. Résultats Les expériences in vitro ont montré que la teneur en lipides des sébocytes diminuait significativement après le traitement par AH8 (p < 0.05 à 0.00005 % AH8, p = 0.09 à 0.0005 % AH8, p < 0.001 à 0.025 % AH8). Dans l'étude clinique, les participants avaient tendance à voir leur production de sébum diminuer de 10 % (p = 0.16) après le traitement par AH8, par rapport au traitement par excipient. Conclusion L'AH8 inhibe l'accumulation de lipides dans les sébocytes in vitro sans altérer la prolifération cellulaire ou l'expression de SREBP-1. L'AH8 topique tendait à diminuer la production de sébum chez les participants humains. L'utilisation d'AH8 peut servir d'agent prometteur pour réduire la production de lipides sébocytaires et l'apparence de peau grasse." @default.
- W4282560571 created "2022-06-14" @default.
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- W4282560571 date "2022-07-08" @default.
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- W4282560571 title "The effect of synthetic acetylhexapeptide‐8 ( <scp>AH8</scp> ) on sebaceous function" @default.
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- W4282560571 doi "https://doi.org/10.1111/ics.12795" @default.
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