A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/92 (2006.01) A61K 8/36 (2006.01) A61K 8/37 (2006.01) A61Q 19/00 (2006.01) A61K 8/26 (2006.01) A61K 8/28 (2006.01)
Patent
CA 2589449
A method of inhibiting skin darkening whilst inhibiting perspiration in the underarm which comprises incorporating into a antiperspirant composition comprising an astringent salt comprising an aluminium and/or zirconium salt, a triglyceride oil and optionally an active acid comprising an aliphatic dicarboxylic acid, especially C6-C12 such as azelaic acid, an unsaturated C18 aliphatic carboxylic acid such as a linoleic acid or an hydroxybenzoic acid such as salicylic acid, at a ratio to said astringent salts, x:y, of 1:<4 in which x represents the weight concentration of said triglyceride oil plus 4 times the weight concentration of active carboxylic acid and y represents the weight concentration of said astringent salts. The composition can additionally comprise glycerol and/or a chelating agent for a transition metal.
L'invention concerne une méthode d'inhibition du noircissement de la peau et de la sueur au niveau des aisselles, qui consiste à incorporer dans une composition antitranspiration comprenant un sel astringent contenant un sel d'aluminium et/ou de zirconium, une huile triglycéride et éventuellement un acide actif comprenant un acide dicarboxylique aliphatique, notamment C6-C12, tel que l'acide azélaïque, un acide carboxylique aliphatique C18 insaturé, tel que l'acide linoléique ou un acide hydroxybenzoïque, tel que l'acide salicyclique, dans des proportions par rapport auxdits sels astringents, x :y, de 1 :<4, x représentant la concentration en poids de ladite huile triglycéride plus 4 fois la concentration en poids de l'acide carboxylique actif, et y représente la concentration en poids desdits sels astringents. La composition de l'invention peut également comprendre du glycérol et/ou un chélateur pour un métal de transition.
James Alexander Gordon
Marti Vernon Peter John
Paterson Sarah Elizabeth
Pople Jennifer Elizabeth
Turner Graham Andrew
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Plc Unilever
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