¹Technical test in lab measured on frizzy hair measuring frizz reduction vs naturally dried hair as a measure of smoothness. 
²Extreme heat damage is a fractional wet tensile strength reduction per cycle above 0.005, measured over at least 100 cycles on Brown Caucasian hair (a “Strength Reduction”)
³No thermal damage detected after 3 passes drying with a paddle brush and halo styling concentrator on maximum heat and fan settings vs naturally dried hair.
⁴vs naturally dried frizzy hair, dependent on consumer use
⁵technical testing vs. naturally dried hair
⁶vs naturally dried medium brown hair, dependent on consumer use.
⁷Technical test in lab measured on frizzy hair measuring frizz reduction vs naturally dried hair as a measure of smoothness.
⁸vs untreated hair​
⁹vs untreated hair​
¹⁰vs untreated hair​
*see promotion TERMS AND CONDITIONS