¹ Technical test in a lab on frizzy hair, vs. naturally dried hair
² Extreme 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”)
³ Technical test in a lab on brunette hair, measured vs. naturally dried hair
⁴ no thermal hair damage detected after 100 cycles of 4 passes on thoroughly towel-dried hair.
⁵ technical test in a lab on brunette hair, measured vs naturally dried hair