By Ronnie Cohen July 13, 2017 (Reuters Health) – African-American and white women who regularly chemically straighten their hair or dye it dark brown or black have an elevated risk of breast cancer, new research suggests. “I would be concerned about darker hair dye and hair straighteners,” epidemiologist Tamarra James-Todd said after reviewing the report online now […]
Ann. Allergy Asthma Immunol. 2014 Jan 01;112(1)46-52, E Helaskoski, H Suojalehto, H Virtanen, L Airaksinen, O Kuuliala, K Aalto-Korte, M Pesonen Research · January 21, 2014 ABSTRACT BACKGROUND Oxidative hair dyes commonly contain paraphenylene diamine (PPD) and its derivatives, a well-known cause of delayed hypersensitivity among both consumers and hairdressers. They are also considered possible […]