polyphenol grape extract and cosmetic product that comprises

摘要

polyphenol grape extract and cosmetic product that comprises # The present invention relates to a polyphenolic extract of grape characterized in that it has the following specifications:. an index of total polyphenols (IPT) between 100 and 1000; a polyphenol content expressed as gallic acid equivalents, of from 2,000 to 25,000 mg gallic acid / L; and a pH between 2 and 4. It also relates to a cosmetic composition comprising said extract and to their use for manufacturing cosmetic products.