Olaplex No.4 innehåller vårdande ingredienser som skyddar samt lagar skadat hår och kluvna toppar genom att sammanlänka brutna bindningar. No.4 är ett shampoo som återställer fuktbalansen, vilket gör att håret blir lätthanterligt, glansigt och friskt. No.4 ger en effektiv rengöring i hårbotten samtidigt som håret vårdas samt repareras med mjukgörande och förstärkande ingredienser. Olaplex No.4 shampoo passar alla hårtyper.

Water/Aqua/Eau, Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Disodium Cocoyl Glutamate, Sodium Lauroyl Sarcosinate, Potassium Cocoate, Decyl Glucoside, Glycereth-26, Bis-Aminopropyl Diglycol Dimaleate, Cocamidopropylamine Oxide, Disodium Laureth Sulfosuccinate, Glycol Distearate, Sodium Cocoyl Glutamate, Methyl Gluceth-20, Acrylates Copolymer, PEG-120 Methyl Glucose Dioleate, Amodimethicone, Citric Acid, Sodium Lauryl Sulfoacetate, Polyquaternium-10, Ethylhexylglycerin, Divinyldimethicone/Dimethicone Copolymer, Polyquaternium-11, Trisodium Ethylenediamine Disuccinate, Guar Hydroxypropyltrimonium Chloride, C11-15 Alketh-7, Laureth-9, Glycerin, Trideceth-12, C12-13 Alketh-23, C12-13 Alketh-3, Panthenol, Acetic Acid, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Pentasodium Triphosphate, Glyoxal, Sodium Hydroxide, Helianthus Annuus (Sunflower) Seed Oil, Disodium EDTA, Tocopherol, Prunus Armeniaca (Apricot) Kernel Oil, Pseudozyma Epicola/Argania Spinosa Kernel Oil Ferment Filtrate, Pseudozyma Epicola/Camellia Sinensis Seed Oil Ferment Extract Filtrate, Quaternium-95, Propanediol, Helianthus Annuus (Sunflower) Seed Extract, PEG-8, Euterpe Oleracea Fruit Extract, Punica Granatum Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Musa Sapientum (Banana) Fruit Extract, Origanum Vulgare Leaf Extract, Morinda Citrifolia Fruit Extract, Arctium Lappa Root Extract, PEG-8/SMDI Copolymer, Sodium Hyaluronate, Palmitoyl Myristyl Serinate, Sodium Polyacrylate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Biotin, Phenoxyethanol, Chlorphenesin, Benzoic Acid, Potassium Sorbate, Sodium Benzoate, Fragrance (Parfum), Hexyl Cinnamal, Limonene, Citral