The vast majority of reactions to hair-dye products are caused by PPD. [4–6] In past years, PPD was used in permanent hair dyes but not in semipermanent dyes. More recently, PPD has been used in most ...
Allergic reactions to hair dyes, particularly those containing aromatic amine compounds such as p‐phenylenediamine (PPD), have become a growing public health concern. Exposure to these chemicals may ...
Current estimates suggest that 50-80% of women and 10% of men 40 years of age and over in the United States and Europe use permanent hair dye products. The aromatic amine p-phenylenediamine (PPD) is ...
Permanent hair dyes are a popular choice for achieving bright, long-lasting hair colour. Many of these products contain a chemical called p-phenylenediamine, commonly known as PPD. This ingredient is ...
Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with ...
AOL: Should You Try Natural Hair Dye? Colorists Explain How To Use It And If It Works As Well
Should You Try Natural Hair Dye? Colorists Explain How To Use It And If It Works As Well
News Medical: Health Implications of p‑Phenylenediamine: The Aromatic Amine in Permanent Hair Dye
MSN: Warning! Your hair colour can cause multi-organ failure; understand PPD risks, allergies and safe alternatives
Warning! Your hair colour can cause multi-organ failure; understand PPD risks, allergies and safe alternatives
Cosmopolitan: 11 best natural hair dyes for long-lasting colour, according to experts
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals. The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair.