No More Frizz is a leave in treatment that is applied to damp hair, dried in and then straighteners activate the thermo straightening effect. This is great retail product for a mini- brazilian blowdry effect on the hair as the product contains vegan kerazyme. The treatment leaves course and frizz hair soft, light, hydrated and smooth. The smoothing effect is long lasting if used with a a sulaphate free shampoo and conditioner. This is consumer product try Instant Smooth Serum for the professional treatment. Use no more frizz as a top up treatment.