Redken Frizz Dismiss anti-humidity, smoothing haircare products offers the first-ever Frizz Protection Factor (FPF) with 4 levels of smoothing. Frizz Dismiss offers heat and humidity protection with a sulfate-free, sodium chloride-free cleansing system. It is safe for chemically straightened hair. Frizz Protection Factor (FPF), the first-ever professional scale, allows you to choose protection from frizzy hair based on hair type and humidity level.