True! Disproportionate use of this ingredient in hair dye can make your head, face swell Fact Check Health True! Disproportionate use of this ingredient in hair dye can make your head, face swell Ifedayo Ogunyemi January 25, 2021 0 CLAIM 1: P-phenylenediamine (PPD) in hair dye causes head swelling. P-phenylenediamine causes irritation and head swelling. P-phenylenediamine... Read More Read more about True! Disproportionate use of this ingredient in hair dye can make your head, face swell
