Use of a combination of macroalgae and microalgae extracts for preparing cosmetic and/or dermocosmetic product for topical application on oily skin and/or acne skin, and for fighting against free radicals and limiting irritation of skin
Use of a combination of macroalgae and microalgae extracts for preparing a cosmetic product and/or dermocosmetic product for topical application on oily skin and/or acne skin, is claimed. An independent claim is included for a cosmetic and/or dermocosmetic composition comprising 0.1-10 wt.% of the combination of algae extracts. ACTIVITY : Dermatological； Antiseborrheic. MECHANISM OF ACTION : 5-alpha -Reductase inhibitor. The 5-alpha -reductase inhibitory activity of extract (comprising Fucus spiralisand T. chuiextract at a dosage of 10 mg/ml) was tested in human fibroblasts. The result showed that the extract exhibited an inhibition of 42%.La présente invention a pour objet l'utilisation d'une association d'un extrait de la macroalgue Fucus spiralis et d'un extrait de la microalgue Tetraselmis chui issu d'une culture enrichie en oligoéléments, notamment en zinc pour les domaines cosmétiques et /ou dermocosmétiques afin de réguler la production de sébum et limiter les phénomènes d'irritation, désordres cutanés liés à la peau à tendance grasse et/ ou acnéique.
