#1 best-selling humidity-blocker features award-winning waterpoofing technology. Delivers glassy-sleek, straight, frizz-free styles that last 3-4 shampoos. Heat-activated (contains heat protectant) when you blow-dry using tension.

Ultra-powerful, anti-frizz treatment for the most difficult, frizz-prone hair types. Advanced humidity-blocking formula infuses moisture, "waterproofs" hair and delivers super strong, frizz-resisting power. Delivers glassy-sleek blow-dry results and prevents smooth, straight strands from reverting back to natural curly frizzy texture in the worst humidity. Sleek, smooth results last 3-4 shampoos.

All-in-one styling solution for hydrated, bundled, glossy curls. No weight, no crunch, no greasy build-up. Alcohol-free, non-drying formula with added moisture. Air-dry or blow-dry (contains heat protectant) using a diffuser.