作者: Catherine Gondran , Marc Dumas , Frédéric Bonte
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摘要: The invention concerns an extract of the Ajuga turkestanica plant containing at least ecdysteroid and iridoid obtainable by extracting part said using a solvent or mixture solvents consisting 0 to 60 wt. % water, remainder C1-C4 alcohol, and/or acetone butylene glycol propylene glycol, more particularly one weight for 2 4 parts iridoids. also cosmetic uses extracts combinations ecdysteroids iridoids as agents improving keratinocyte differentiation, regulating hydric flux re-absorption water into epidermis, hydrating epidermis. further treatment method skin whereby cosmetically efficient amount are used.