Niacinamide containing cosmetic compositions with improved...

Details Niacinamide containing cosmetic compositions with improved... Niacinamide containing cosmetic compositions with improved...

A - Human Necessities

61

K

A61K 8/88 (2006.01) A61K 8/36 (2006.01) A61K 8/67 (2006.01) A61K 8/72 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2728165

A cosmetic composition is provided which includes niacinamide, a carboxylic acid bearing structurant, and particles of a condensation polymerized polyamide, the polyamide having an amine value no lower than 0.3 and an HLB value of at least 16. The polyamide particles prevent interaction between niacinamide and the carboxylic acid/salt structurant thereby inhibiting skinfeel complexation and/or phase separation that would be adverse to skinfeel.

Composition cosmétique comprenant de la niacinamide, un agent structurant portant un acide carboxylique, et des particules d'un polyamide polymérisé par condensation, ce polyamide ayant une valeur amine qui n'est pas inférieure à 0,3 et un rapport hydrophile-lipophile (HLB) d'au moins 16. Les particules de polyamide empêchent une interaction entre la niacinamide et le structurant d'acide carboxylique/sel, ce qui a pour effet d'inhiber la complexation du toucher de peau et/ou une séparation de phase qui serait dommageable à ce toucher de peau.

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