News Articles Tagged: Hair Dye Allergies

The Toxicity and Health Hazards of p-Phenylenediamine (PPD)

An overview of the toxicity, health hazards, and safety precautions associated with p-Phenylenediamine (PPD), including its status as a known allergen.

Understanding Hair Dye Allergens: The Role and Safety of Hydroxyethyl-p-phenylenediamine Sulfate

Explore the complexities of hair dye allergies, focusing on the ingredient Hydroxyethyl-p-phenylenediamine Sulfate and its safety profile.