Courtesy of: EarthTalk® E – The Environmental Magazine Dear EarthTalk: Are commercial hair dyes dangerous to my health? —Alice Martin, Ithaca, NY It's a relative rarity, but people do develop allergic reactions to commercial hair colorings. The most common allergens in dye are ammonia and peroxide, or the chemicals p-Phenylenediamine (PPD) or diaminobenzene. All permanent […]
