Evolution Keratin’s Argan Infused 0.00% Smoothing Therapy is a revolutionary hair treatment that repairs damaged hair to leave it soft, shiny, and frizz free for up to 12 weeks, without resorting to harmful chemicals conventionally used. It works on all hair types. This treatment penetrates the hair repairing internal damage while coating the hair, in order to prevent further damage. Our Smoothing Therapy protects and improves the quality of the hair from the inside to the outside, restoring with a SOFT, SHINY, and RELAXED look.