Skin lightening agents, compositions and methods

Details Skin lightening agents, compositions and methods Skin lightening agents, compositions and methods

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61Q 17/04 (2006.01) A61Q 19/02 (2006.01)

Patent

CA 2645759

Cosmetic compositions and methods are provided, particularly for skin lightening, using N-acylbenzothiazolone compound and derivatives of general Formula (I) as skin lightening agents alone or in combination with other skin benefit agents and together with a cosmetic vehicle: wherein R represents a hydrogen atom, C1-C4 acyl group, or C1-C4 alkyl group. Preferably, the compound is 3-propionylbenzothiazol-2-one, i.e. where R in the Formula (I) is C1 alkyl group.

L'invention concerne des compositions et des procédés cosmétiques destinés, en particulier, à éclaircir la peau, utilisant un composé de N-acylbenzothiazolone et ses dérivés de formule générale (I) en tant qu'agents éclaircissants de la peau, seuls ou combinés à d'autres agents bénéfiques pour la peau, le tout dans un véhicule cosmétique. Dans la formule (I), R représente un atome d'hydrogène, un groupe acyle en C1 à C4 ou un groupe alkyle en C1 à C4. Le composé est de préférence la 3-propionylbenzothiazol-2-one, c'est-à-dire le composé de formule (I) dans lequel R est un groupe alkyle en C1.

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