Regulatory News Related to Cosmetic Products

March 2007 in “ Annales de Dermatologie et de Vénéréologie ”

A. Pochet

paraphenylenediamine glycerol monothioglycolate ammonium persulphate cocamidopropyl betaine minoxidil irritation dermatitis allergic contact eczema contact urticaria PPD GMTG Rogaine

TLDR Hair care products can cause skin irritation and allergies due to certain chemicals.

The document discussed the adverse effects associated with hair care products used by professionals, which included irritation dermatitis and allergic contact eczema affecting various areas such as the scalp and face. Key allergens identified were paraphenylenediamine (PPD) in hair dyes, glycerol monothioglycolate (GMTG) in acid perm lotions, and ammonium persulphate in hair lighteners, with the latter causing contact urticaria. Other allergens mentioned included cocamidopropyl betaine in surfactants, preservatives, fragrances, and minoxidil, which was frequently used by patients.

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