Reference Libraries

There is substantial interest in delivering the antioxidant benefits of vitamin E (tocopherol) to the skin. Since free tocopherol is inherently unstable, it is usually delivered to the skin in the form of tocopheryl acetate. The premise behind this approach... Read More

The goal of this study by researchers at Cosmital SA (Wella AG) and L’Oreal (Life Sciences Research, Centre) was to examine the concordance between human in vivo and in vitro skin irritation classifications of cosmetic products and to evaluate the... Read More

Over the years a number of methods have been developed to assess the potential contact irritancy of cosmetic-related surfactants. These methods include in vitro exposure using skin equivalent cultures, proteins, enzymes, etc. These methods are exaggerated in so far as... Read More

The aim of this study was to determine the reproducibility of data obtained from in vitro irritation testing using three industrial reconstructed human epidermis models, EpiDerm™, Episkin™ and SkinEthic(R), and one in-house model developed at Wella/Cosmital. A common protocol was... Read More