Olaplex Nº.4 FINE Bond Maintenance® Shampoo is a bond-repairing, weightless shampoo specially made for fine and damaged hair. It hydrates, strengthens, and adds body without weighing hair down or producing excess grease. This gentle formula cleans, untangles, and moisturizes for bouncy, healthy locks. Worth Noting Strengthens fragile hair Adds healthy body and volume Weightless hydration for fine strands Reduces excess sebum production Gently cleanses and detangles Promotes balanced hydration Suitable for fine, damage-prone hair Standout Ingredients OLAPLEX Bond Building Technology™ for repairing fragile bonds Hydra-Balancing Matrix for balanced sebum levels Low Molecular Weight Hyaluronic Acid for lightweight hydration and softness How-To Apply to wet hair Lather Rinse