Buy your weekday smoothies and get your weekend ones for free. (7 for the price of 5!)
Lightweight, easy-glide comb effortlessly separates knots and smooths your strands, leaving you with sleek, styled hair that’s ready for anything. No more drama—just the kind of smooth you can count on.
Liquid Complex Culture
Our unique complexes define all Number 4 products and draw upon water and an advanced delivery system to infuse active ingredients and botanical agents for consistent, high performance results.
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The Jet Set
Transport strands with perfectly petite versions of your favorite formulas. Good things come in small packages.