TRUE! Disproportionate use of this ingredient in hair dye can make your head, face swell
By Tribune Online
TRUE! Disproportionate use of this ingredient in hair dye can make your head, face swell
CLAIM 1: P-phenylenediamine (PPD) in hair dye causes head swelling VERDICT: TRUE! P-phenylenediamine causes irritation and head swelling. CLAIM 2: P-phenylenediamine (PPD) is toxic and illegal for skin use VERDICT: TRUE! P-phenylenediamine is illegal for skin use but not overall use. Its use is strictly regulated in the European Union and the United States of […]
TRUE! Disproportionate use of this ingredient in hair dye can make your head, face swell
Tribune Online