Famous Hair Color Without P Phenylenediamine Ideas. It is not approved for direct application to the skin.” Web if you have an allergy to ppd, the popular hair dye chemical, you might be wondering how you can successfully dye your hair.

Allergy to ppd in hair dyes is becoming more common, but there are ppd free hair dyes that you can use. Ten of these 13 subjects used the recommended dyes, and none of these. One exception is the innovative hairprint system — but first let’s look at those three main types.