COMPOSTOS NOCIVOS AO ORGANISMO PRESENTES EM TONALIZANTES CAPILARES 1 COMPOUNDS THAT ARE HARMFUL TO THE BODY PRESENT IN HAIR DYES

There are several different hair dyes available in the market. Synthetic pigments are in general better then the natural ones; but the disadvantages are that they are made of ammonia, hydrogen peroxide, and heavy metals such as lead, that makes these hair dyes aggressive to the human organism. Hair dyes are classified in permanent, semi-permanent and temporary, in which the main differences are the