' Redken Smooth Lock is the latest haircare innovation brought to you by Redken to help you say goodbye to frizz, & hello to smooth locks! Your hair will stay smooth for up to 10 shampoos & 92% frizz-free for up to 48 hours! Redken Smooth Lock Heat Glide provides your hair with protection from all heat styling tools & blocks humidity, working with the heat to smooth & tame rebellious hair!