Pro Artist Straight Heat, Heat Activated Straightening Serum - SMOOTHING SERUM 5.0OZBenefitsNatural Mushroom Complex helps lock out heat damage up to 455F without the use of silicone and creates long lasting styles that help resist effects of humidity.A straightening blend of Lactic, Glycolic, and Hyaluronic Acid adds a balanced hydration shield and helps protect against breakage from heat damage while speeding up styling time. Great for humidity control and anti-frizz smoothness while adding shine.FeaturesHeat Protection Up to 455FSleek Effect Lasts through 3 washes*82% Reduction of Frizz after 2 flat iron passes5X Faster Straightening** Vs Untreated hairFormulated WithoutSiliconePhthalatesParabensSLS & SLES SurfactantsDEA - Pro Artist Straight Heat, Heat Activated Straightening Serum