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