Hydroxypropyl-P-Phenylenediamine HCL Brak oceny New ingredients Brak znanych korzyści Hydroxypropyl-P-Phenylenediamine HCL opis Functions: Hair Dyeing Why isn’t this ingredient rated? Rest assured our team is or will soon be working on it. Going through research takes time and ingredient studies require in-depth analysis. Our goal is to provide the most accurate information possible. This ingredient database is updated daily, so check back often for the latest information.