For Normal, Normal Resistant & Tinted Hair A low- ammonia, low-thio hair straightening permanent treatment which restructure hair in depth leaving them frizz-free. With salon-friendly aroma. This formula is low alkali wit, removes curls and waves, leaving hair straightened from roots to ends. With the Collagen Hydrosylate and Keratin Hydrosylate conditioning effects, it makes your hair shine with the signature of luxury.