Unlock the professional secret to beautiful hair. ion Keratin Smoothing Treatment helps to smooth and soften any hair type into one with luxurious texture and intense shine. It minimizes frizz 90% - 100%% while reducing curl up to 50%. Strengthens and reconstructs while protecting from humidity. Contains wheat germ and argan oil and can be used on all hair types. The moisturizing properties of vanillin, wheat germ and argan oil help to revive, strengthen and nourish dry, damaged hair. Lasts up to 6 - 8 weeks*. No Formaldehyde added. Creates a protective protein layer around the hair shaft, helping to eliminate frizz and smooth cuticle but does not rearrange the bonds in the hair. Does NOT enter the cortex.