Anti-dandruff shampoos with particulate active agent and cationi

Details Anti-dandruff shampoos with particulate active agent and cationi Anti-dandruff shampoos with particulate active agent and cationi

1995-01-20

1997-04-29

Sweet, Mark D.

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Amphoteric or zwitterionic surfactant containing

424 7022, 424 7024, 424 7028, 514880, 514881, A61K 706

Patent

active

056246668

ABSTRACT:
Provided is a anti-dandruff shampoo composition comprising: (a) from about 8% to about 40%, by weight, of anionic detersive surfactant; (b) from about 0.1% to about 5%, by weight, of particulate anti-dandruff agent having an average particle size of from about 0.35 microns to about 5 microns; (c) from about 0.01% to about 1.0%, by weight, of a stabilizing agent for said anti-dandruff agent, said stabilizing agent being a soluble cationic polymer; (d)from about 50% to about 91.89%, by weight, water; wherein said shampoo composition is substantially free of suspending agents selected from the group consisting of crystalline suspending agents and anionic, nonionic, and amphoteric polymeric suspending agents. Also provided is a process used for making the present compositions wherein said particulate anti-dandruff agent and said cationic polymer are admixed in water in the presence of anionic detersive surfactant.

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patent: 4835148 (1989-05-01), Barford et al.
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patent: 5104645 (1992-04-01), Cardin et al.
patent: 5145607 (1992-09-01), Rich
patent: 5149522 (1992-09-01), Schwarz et al.
patent: 5393519 (1995-02-01), Dowell et al.

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