Skin lightening compositions

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/86 (2006.01) A61K 8/02 (2006.01) A61K 8/23 (2006.01) A61K 8/34 (2006.01) A61K 8/36 (2006.01) A61K 8/362 (2006.01) A61K 8/37 (2006.01) A61K 8/55 (2006.01) A61Q 19/02 (2006.01)

Patent

CA 2271066

Disclosed is a skin lightening cosmetic composition comprising; a) a safe and effective amount of at least one water-soluble reducing agent selected from the group consisting of sodium sulfite, potassium sulfite, sodium hydrogen sulfite, potassium hydrogen sulfite, sodium metabisulfite, potassium metabisulfite, ammonium sulfite, ammonium hydrogen sulfite, formic acid, oxalic acid and mixtures thereof and, b) cosmetically acceptable carrier for the water-soluble reducing agent wherein the composition is substantially free of hydroquinone or its derivatives. Also disclosed is a method for skin lightening in mammals comprising topically applying to the skin said skin lightening cosmetic composition.

Composition éclaircissante pour la peau comprenant: a) une quantité efficace et sans danger d'au moins un agent de réduction soluble dans l'eau sélectionné dans le groupe formé par le sulfite de sodium, le sulfite de potassium, le sulfite d'hydrogène sodique,le sulfite d'hydrogène potassique, le métabisulfite de sodium, le métabisulfite de potassium, le sulfite d'ammonium, le sulfite d'hydrogène d'ammonium, l'acide formique, l'acide oxalique et des mélanges de ceux-ci et, b) un excipient acceptable en cosmétologie pour l'agent de réduction soluble dans l'eau; la composition étant ainsi sensiblement dépourvue d'hydroquinone ou de ses dérivés. On décrit également dans cette invention un procédé d'éclaircissement de la peau chez les mammifères qui consiste à appliquer localement sur la peau ladite composition éclaircissante pour la peau.

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