A chemical ingredient that is specifically added to hair bleach or other chemical hair treatments to speed up the action of the bleach without unnecessarily damaging the hair. Also referred to as Booster, Bleach Boosters or Bleach Accelerators.
Daily Hair Tip
A humectant hair product attracts moisture to the hair while an anti-humectant repels moisture. Use a humectant to combat static electricity and an anti-humectant to deal with humidity.