Olaplex No.4C Bond Maintenance Clarifying Shampoo is a professional-grade clarifying shampoo powered by patented Olaplex Bond Building Technology. The broad-spectrum clarifying formula removes heavy metals, minerals, chlorine, pollutants, and product buildup without stripping hair, leaving it visibly healthier. It deep cleans while restoring softness, shine, and clarity, and is suitable for all hair types.

This large-format 1000 mL (33.8 fl oz) pump bottle is sold exclusively online at Costco and is limited to 2 per membership. Directions call for weekly use: apply to wet hair, concentrate on scalp and work through to ends, lather fully and process up to 5 minutes, then rinse. Follow with No.5 Bond Maintenance Conditioner or No.8 Bond Intense Moisture Mask for best results.

Ingredients: Water (Aqua/Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Sodium Lauroyl Glutamate, Coco-Betaine, Disodium Laureth Sulfosuccinate, Acrylates Copolymer, Cocamidopropyl Betaine, Cocamidopropylamine Oxide, Sodium Methyl Oleoyl Taurate, Decyl Glucoside, Bis-Aminopropyl Diglycol Dimaleate, Sodium Lauryl Sulfoacetate, Phenoxyethanol, Coco-Glucoside, Lauryl Glucoside, Chlorphenesin, Panthenol, Trisodium Ethylenediamine Disuccinate, Ethylhexylglycerin, Sodium Benzoate, Polyquaternium-11, Benzoic Acid, Sodium PCA, Pentasodium Triphosphate, Sodium Lactate, Arginine, Aspartic Acid, PCA, Citric Acid, Glycine, Alanine, Serine, Valine, Isoleucine, Proline, Threonine, Histidine, Phenylalanine, Fragrance (Parfum), Citral, Hexyl Cinnamal, Limonene. Silicone-free. Vegan.