Product Overview If your hair feels difficult to manage, our Smooth Lock Shampoo for dry & unruly tresses is on hand to help. Thermal care technology brings dramatically smooth results, & is recommended by our experts to keep your hair healthy & under control. Benefits Cleanse, refresh & nourish your unruly hair with this Redken shampoo. Smoothness, frizz control & luscious-looking shine are within reach – use with Redken’s Smooth Lock Conditioner for best results. Key Technology Developed by Redken’s experts, this shampoo combines innovative Heat Fuse Complex with exclusive Interlock Protein Network, which rebuilds surface protection, provides progressive conditioning & strengthens the hair's core.