Repair and strengthen stressed, damaged hair with Olaplex NO.3 Plus Complete Repair Treatment. This highly concentrated at-home treatment works to rebuild broken bonds and deeply nourish each strand, helping reduce breakage while improving softness, shine and overall hair health. Formulated with the same bond building technology found in salon services, it helps restore resilience and manageability to hair weakened by heat styling, chemical services or everyday wear. With regular use, hair feels stronger, smoother and more revitalized from roots to ends.