Patent Picks—Sensory in Personal Care: Oligopeptides to Increase Sensitivity, Mannose-6-phosphate for Anti-redness and More

By: Rachel L. Grabenhofer

Posted: December 29, 2010

Chosen biweekly by Rachel Grabenhofer, editor of Cosmetics & Toiletries magazine, for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features recently issued patents related to sensates and feel enhancers in personal care.

Dermatological compositions including oligopeptides for increasing skin sensitivity and neuronal perception
US Patent 7858580
Publication date: Dec. 28, 2010
Assignee: Evonik Goldschmidt GmbH (Essen, DE)

This invention relates to dermatological compositions including at least one oligopeptide with a sequence of 4, 5 or 6 amino acids and/or a derivative thereof as means for increasing the sensitivity of skin, wherein the amino acid sequence comprises the dipeptide sequence Ile-Pro and/or Pro-Ile.

Stable, unctuous w/o emulsion foundation
US Patent 7858104
Publication date: Dec. 28, 2010
Assignee: L'Oreal S.A.

This patent describes a foundation in the form of a w/o emulsion comprising a fatty phase; an aqueous phase; at least one silicone surfacant chosen from C8-C22 alkyl dimethicone copolyols; and at least 5% by weight, relative to the total weight of the composition, of hydrophobic coated pigments—provided that the composition is free of polyglyceryl-4 isostearate or comprises polyglyceryl-4 isostearate in a quantity such that the weight ratio of the C8-C22 alkyl dimethicone copolyol to the polyglyceryl-4 isostearate is greater than or equal to 2:1, and wherein the foundation composition can exhibit good stability at room temperature and is easy to apply to the skin.