Jason Smoothing Sea Kelp Shampoo Tames and Smooths Frizzy Hair. Pure Natural SLS free shampoo. Jason's Silky Smooth Shampoo gently cleans while it tames frizz with every wash. Sea Kelp, rich in vitamins, minerals and essential fatty acids, weightlessly rehydrates dry strands. Ginseng Root and Plumeria Acutifolia calms frizz and control fly-aways without leaving a heavy residue. For shine and manageability, Jason adds Kukui Nut Oil to block out humidity and smooth the hair texture. Vegetarian.