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American Academy Of Dermatology In Brief

This article was originally published in The Tan Sheet

Executive Summary

Procter & Gamble: Dandruff sufferers who use conditioner following pyrithione zinc anti-dandruff shampoo should choose a PTZ formula "to ensure that anti-dandruff protection is maintained," as a non-PTZ conditioner could decrease the shampoo's efficacy, according to a study presented by Dianna Keneally, Procter &Gamble, et al., at the American Academy of Dermatology annual meeting March 3-7 in San Francisco. The study compared .5% platelet PTZ-containing conditioner with a cosmetic conditioner, following use of a 1% platelet PTZ-containing shampoo. Cosmetic conditioner washed away "significant amounts" of PTZ compared to PTZ conditioner and shampoo only, researchers conclude. P&G recently introduced reformulated Head & Shoulders with PTZ (1"The Tan Sheet" Jan. 9, 2006, p. 8)...

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