Free L' Oreal Men Expert Vita Lift 5 Daily Moisturiser worth £10 with any 2 Redken produts Redken Smooth Down Heat Glide protective smoother is a leave-in serum that provides heat safe control to tame frizz on even the most unruly hair. Gives an ultra-smooth, glossy finish. An ionic charge in the hair results in frizz & fly-aways. The ionic Smoothing Complex contains cationic refiners that attract & neutralise the existing anionic charges on the hair, smoothing the surface. It helps control & prevent frizz.