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How Safe Are Professional Hair Smoothers?

How Safe Are Professional Hair Smoothers?

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By: TOM BRANNA

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How Safe Are Professional Hair Smoothers? • John Bailey, chief scientist, Personal Care Products Council, released commentary on the recent Cosmetic Ingredient Review (CIR) Expert Panel’s preliminary findings on the safety of two ingredients used in professional hair smoothing products. On March 4, the CIR Expert Panel reached a tentative conclusion on the safety of formaldehyde and methylene glycol as they are used in cosmetics and in “professional use only” hair straightening and smoothi...

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