New cosmetic uses of an oily extract of the microalga Porphyridium cruentum

Abstract

The present invention relates to the cosmetic use of an oily crude extract of the microalga Porphyridium cruentum or an oily ingredient comprising it to prevent the appearance and / or reduce the visibility of wrinkles and / or fine lines, particularly expression lines, and / or to smooth the skin, and / or to improve sleep quality and / or reduce stress. The invention also relates to a cosmetic composition comprising the oily ingredient, as well as a cosmetic treatment method comprising the topical application of the oily ingredient or the cosmetic composition comprising it.