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Research Article
Efficacy and Safety of L-Cystine Associated or not to a Natural Keratin (Kera-Diet®) Hydrolysate on Hair and Nails: Randomised, Placebo-Controlled, Clinical Trial on Healthy Females
Author(s): Vincenzo Nobile, Joel Duperray, Enza Cestone, Renaud Sergheraert and Francesco TursiVincenzo Nobile, Joel Duperray, Enza Cestone, Renaud Sergheraert and Francesco Tursi
Background: The acute Telogen Effluvium (aTE) and the Brittle Nail Syndrome (BNS) are two medical conditions affecting both males and females. A dietary approach based on aminoacids and/or on protein hydrolysate could be a safe and effective approach in reducing hair loss during acute telogen effluvium and in improving brittle nails conditions.Objective: In this study, we investigated the efficacy of L-cystine (CYS) associated or not to a commercially available hydrolysate (KDC) of natural keratin obtained from a non-human source (feathers) in improving both aTE and BNS symptoms.Design: A randomised, parallel group study was carried out for 3 months on 60 female subjects with aTE and BNS. Each subject attended clinic visits at the time of randomization (baseline) and after 45 and 90 days of products use. Anagen/Telogen hai.. Read More»
Journal of Cosmetology & Trichology received 180 citations as per Google Scholar report