This TIGI S-Factor Seriously Straight works as straightener & shiner. It provides maximum strength straightening function to smooth & tame frizzy, uncontrollable hair. Also the special formula conditions your hair by sealing the cuticle & protects them from heat damage. You hair will feel seriously soft, smooth & silky with high shine. How to use: Use on damp hair & style. For maximum benefits, apply as you blow dry each section of the hair.