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