Visibly strengthen and define curls and coils with Olaplex’s No.4 Curl Hydrating Shampoo, developed to nourish the needs of textured hair. Its gentle formula works to cleanse the scalp and strands, lifting away impurities while helping to maintain essential moisture. The brand’s patented 3D Bond Shaper™ Technology targets bonds from multiple points, minimising the look of damage while supporting the hair’s structure. With each wash, patterns appear more defined, with improved body and shape.