Para-Phenylenediamine (PPD) is an ingredient found in most hair dyes
and colors
and it can cause severe dermatitis of skin
and swelling of the face
and mucus membranes.
Treatment of this includes application of Burrow’s or silver nitrate solution, lukewarm water baths, oatmeal baths, topical and systemic steroids ,antihistaminics,emollients to moisturize skin and antibiotics in cases of secondary infection.