TRESemme Smooth & Silky Shampoo How it Works The Formulation: Light enough for daily use, this advanced smoothing system is enriched with Moroccan Argan oil. The Effect: This sleek shampoo cleanses and helps tame unruly hair, leaving it smooth and salon-soft. Recommended For: Dry Hair. Straight Hair. All Hair Types. Wavy Hair. Damage Repair.