High lathering anti-dandruff shampoos with improved...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/26 (2006.01) C11D 1/02 (2006.01) C11D 1/10 (2006.01) C11D 1/14 (2006.01) C11D 1/29 (2006.01) C11D 3/20 (2006.01)

Patent

CA 2165056

Provided are high lathering anti-dandruff shampoo compositions with improved deposition of particulate anti-dandruff active, said compositions comprising: (a) from about 5 % to about 29.5 %, by weight, of anionic surfactant selected from the group consisting of alkyl sulfates and alkyl ethoxylated sulfates, acids thereof, and mixtures thereof; (b) from about 0.5 % to about 5 %, by weight, of N-acylamino acid anionic surfactant and salts thereof; (c) from about 0.1 % to about 10 %, by weight, of particulate anti-dandruff agent; (d) from about 0.5 % to about 10 %, by weight, of crystalline suspending agent for said anti-dandruff active; (e) from about 40 % to about 89 %, by weight, of water, wherein the total detersive surfactant concentration in said composition is from about 10 % to about 30 %; the weight ratio of component (b):component (a) is at least about 1:20; and said composition is substantially free of betaine surfactants and alkanol amide foam boosters.

Compositions pour shampoings anti-pelliculaires à fort pouvoir moussant qui présentent un dépôt amélioré d'agent actif anti-pelliculaire particulaire. Lesdites compositions comprennent (a) d'environ 5 % à environ 29.5 % en poids de tensioactif anionique choisi dans le groupe constitué de sulfates d'alkyle, de sulfates éthoxylés d'alkyle, d'acides desdits sulfates et de mélanges desdites substances, (b) d'environ 0,5 % à environ 5 % en poids de tensioactif anionique sous forme d'acide N-acylamino et de sels dudit acide, (c) d'environ 0,1 % à environ 10 % en poids d'un agent anti-pelliculaire particulaire, (d) d'environ 0,5 % à environ 10 % en poids d'un agent de suspension cristallin pour ledit agent actif anti-pelliculaire, (e) d'environ 40 % à environ 89 % en poids d'eau, la concentration totale de tensioactifs détergents dans ladite composition étant d'environ 10 % à environ 30 %, le rapport pondéral du constituant (b) par rapport au constituant (a) étant d'au moins 1/20 et ladite composition étant pratiquement exempte de tensioactifs sous forme de bétaïne et de renforçateurs de mousse sous forme d'alcanolamides.

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