Product Details OLAPLEX’s highly moisturising reparative No. 4 Bond Maintenance Shampoo leaves hair easy to manage shiny and healthier with each use. N°4 is colour-safe sulphate-free and proven to reduce breakage and strengthen all types of hair. ; The formula repairs and maintains bonds within the hair while eliminating frizz and flyaways and reducing breakage. How To Use Apply and massage product throughout hair. Rinse product from hair. Follow with Olaplex N°5 Bond Maintenance Conditioner (sold separately). Formulated for daily/ every wash use. Full Ingredients Water sodium lauroyl methyl isethionate cocamidopropyl hydroxysultaine potassium cocoyl glycinate disodium cocoyl glutamate potassium cocoate sodium lauroyl sarcosinate glycereth-26 decyl glucoside fragrance phenoxyethanol cocamidopropylamine oxide sodium cocoyl glutamate glycol distearate disodium laureth sulfosuccinate methyl gluceth-20 acrylates copolymer peg-120 methyl glucose dioleate amodimethicone polyquaternium-10 citric acid ethylhexylglycerin sodium lauryl sulfoacetate divinyldimethicone/dimethicone copolymer chlorphenesin polyquaternium-11 guar hydroxypropyltrimonium chloride c11-15 pareth-7 trisodium ethylenediamine disuccinate laureth-9 glycerin trideceth-12 panthenol hydrolyzed vegetable protein pg-propyl silanetriol c12-13 pareth-3 c12-13 pareth-23 helianthus annuus (sunflower) seed oil tocopherol pseudozyma epicola/camellia sinensis seed oil ferment extract filtrate pseudozyma epicola/argania spinosa kernel oil ferment filtrate prunus armeniaca (apricot) kernel oil quaternium-95 propanediol helianthus annuus (sunflower) seed extract peg-8 bis-aminopropyl diglycol dimaleate euterpe oleracea fruit extract rosmarinus officinalis (rosemary) leaf extract punica granatum extract origanum vulgare leaf extract musa sapientum (banana) fruit extract morinda citrifolia fruit extract sodium hyaluronate peg-8/smdi copolymer arctium lappa root extract sodium polyacrylate palmitoyl myristyl serinate citral hexyl cinnamal limonene biotin pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate.