Cosmetic preparation of active substances with high...

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/97 (2006.01) A61K 8/98 (2006.01) A61K 8/99 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2335149

The disclosed cosmetic preparation of active substances protects the skin in a particularly effective way against free radical aggression, both alone and in combination with other active substances. The preparation consists of a Quebraco blanco bark extract containing at least 90 wt.% proanthocyanidin oligomers, a silkworm extract containing the peptide cecropin, amino acids and a vitamin mixture, a non-ionic, cationic or anionic hydrogel, phospholipids and water, and may also contain further active substances such as vitamin derivatives and plant extracts of acerola, sea weed, citrus, bitter orange, cherry, papaya, tea, coffee beans, Mimosa tenuiflora and angelica. The preparations have protection factors against free radicals of up to 10000, and the cosmetic compositions containing these preparations have protection factors of between 40 and 200, depending on their proportion of the preparations.

Cette préparation cosmétique de principes actifs protège la peau d'une manière particulièrement efficace contre l'agression des radicaux libres, seule ou en association avec d'autres principes actifs. La préparation comporte un extrait d'écorce de Quebraco blanco contenant au moins 90 % en poids d'oligomères de proanthocyanidine, un extrait de ver à soie contenant le peptide cécropine, des aminoacides et un mélange vitaminique, un hydrogel non ionique cationique ou anionique, des phospholipides et de l'eau, et peut également contenir d'autres principes actifs tels que des dérivés vitaminiques et des extraits végétaux d'acérolox, d'algues, d'agrumes, d'oranges amères, de cerises, de papayes, de thé, de grains de café, de Minosa tenuiflora et d'angélique. Ces préparations présentent des facteurs de protection contre les radicaux libres atteignant 10000, et les compositions cosmétiques contenant lesdites préparations possèdent des facteurs de protection compris entre 40 et 200, en fonction de la proportion de la préparation.

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