Respuesta :

Answer:

ammonia, peroxide, phenylenediamine, diaminobenzene,toluene diamine, resorcinol and more but i forgot, sorry!

Explanation:

Answer:

Some of the most common and dangerous ingredients used in hair dyes are;

ammonia,

peroxide,

p-phenylenediamine,

diaminobenzene,

toluene-2,5-diamine,

resorcinol etc.

Explanation: