The Olaplex Care Set is a carefully curated collection of high-quality hair care products designed to repair and strengthen damaged and chemically treated hair. Olaplex No. 0 and No. 3 work together to rebuild hair structure from within, while No. 4 and No. 4C shampoos cleanse and prepare hair for further treatment. No. 8 is an intensely hydrating mask that provides your hair with ultimate care. This Olaplex set reduces breakage, hydrates hair, and adds intense shine without frizz.