Cosmetic compositions containing vitamin b3

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/67 (2006.01) A61Q 1/04 (2006.01) A61Q 1/06 (2006.01) A61Q 1/10 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2360201

Disclosed are cosmetic compositions, including lipsticks, comprising from 0.01 % to about 50 %, by weight, of cylindrical crystalline vitamin B3 particles having a particle size distribution such that at least about 70 % of the crystalline particles have a height to width ratio greater than 1; from about 1 % to about 90 %, by weight, of an emollient component; from about 1 % to about 90 %, by weight, of a solidifying agent; and from about 1 % to about 90 %, on an anhydrous basis, of a color. The compositions provide improved skin feel of crystalline vitamin B3 compounds when applied to skin.

L'invention concerne des compositions cosmétiques, notamment des bâtons de rouge à lèvres, qui renferment: environ entre 0,01 % et 50 % en poids de particules de vitamine B3 cylindriques cristallines avec une distribution granulométrique de sorte qu'au moins 70 % environ de ces particules cristallines présentent un rapport hauteur à largeur supérieur à 1; environ entre 1 % et 90 % en poids d'un constituant émollient; environ entre 1 % et 90 % en poids d'un agent solidifiant; et environ entre 1 % et 90 % d'une couleur, sur une base anhydre. Les composés de vitamine B3 cristallins de ces compositions offrent une sensation améliorée une fois ces dernières appliquées sur la peau.

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