Non-Ammonia Hair Color
A: The non-ammonia hair colors out there come in both permanent and semi-permanent formulas.
It is important to note, however, that a non-ammonia hair color formula does NOT necessarily mean that the color isn't potentially damaging to the hair. These formulae are milder, but should still be carefully monitored while they are being used, and should not be used casually on hair that is heavily stressed or potentially damaged without special attention.
It should also be noted that the milder results apply primarily only to those formulas that are deposit-only hair colors. The color formulas that are designed to lift the original color or otherwise lighten the color of the hair still contain peroxides and other bleaching agents and are just as harsh as their ammonia-containing counterparts.
I am not trying to speak against non-ammonia color, but I want to make sure that potential users understand what "non-ammonia" formulas actually do for them, and prevent them from using these color formulas carelessly and causing damage to their hair as a result.
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See also:
The difference between semi-permanent and permanent hair color
Hair coloring causing hair damage
The purpose of ammonia in hair color
Why does my hair color wash out so fast?
