Ammonia is one of the worst offenders found in the beauty business. Ammonia is put into hair color in order to bust through the hair cuticle to deposit color. A consequence of this action is damage to the hair cuticle that ultimately degrades the hair’s structural integrity. Exposure to high concentrations of ammonia in air causes immediate burning of the eyes, nose, throat and respiratory tract and can result in blindness, lung damage or death. … Skin or eye contact with concentrated ammonia can also cause irritation and burns. It is always better to use ammonia free hair colour. The truth is, hair color just really isn’t all that great for your hair, or your body. … However, “ammonia–free hair color is usually better for your hair than color with ammonia in it, but it really depends on how much ammonia content the specific color line has in it”.