Olaplex

No.4 Strengthening Shampoo

AQUA (WATER, EAU), SODIUM LAUROYL METHYL ISETHIONATE, COCAMIDOPROPYL HYDROXYSULTAINE, POTASSIUM COCOYL GLYCINATE, DISODIUM COCOYL GLUTAMATE, POTASSIUM COCOATE, SODIUM LAUROYL SARCOSINATE, GLYCERETH-26, DECYL GLUCOSIDE, BIS-AMINOPROPYL DIGLYCOL DIMALEATE, BIOTIN, SODIUM HYALURONATE, PANTHENOL, TOCOPHEROL, EUTERPE OLERACEA FRUIT EXTRACT, MUSA SAPIENTUM (BANANA) FRUIT EXTRACT, ARCTIUM LAPPA ROOT EXTRACT, PUNICA GRANATUM BARK/FRUIT EXTRACT, ROSMARINUS OFFICINALIS (ROSEMARY) LEAF EXTRACT, CAMELLIA SINENSIS LEAF EXTRACT, MORINDA CITRIFOLIA FRUIT EXTRACT, ORIGANUM VULGARE LEAF EXTRACT, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, PRUNUS ARMENIACA (APRICOT) KERNEL OIL, ARGANIA SPINOSA KERNEL OIL, HELIANTHUS ANNUUS (SUNFLOWER) SEED EXTRACT, HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL, PALMITOYL MYRISTYL SERINATE, POLYQUATERNIUM-10, POLYQUATERNIUM-11, GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE, CAPRYLYL GLYCOL, AMODIMETHICONE, DIVINYLDIMETHICONE/DIMETHICONE COPOLYMER, SODIUM COCOYL GLUTAMATE, GLYCOL DISTEARATE, METHYL GLUCETH-20, ACRYLATES COPOLYMER, PEG-120 METHYL GLUCOSE DIOLEATE, COCAMIDOPROPYLAMINE OXIDE, DISODIUM LAURETH SULFOSUCCINATE, ETHYLHEXYLGLYCERIN, SODIUM LAURYL SULFOACETATE, C11-15 ALKETH-7, LAURETH-9, TRIDECETH-12, GLYCERIN, C12-13 ALKETH-23, C12-13 ALKETH-3, QUATERNIUM-95, PROPANEDIOL, PEG-8, PEG-8/SMDI COPOLYMER, SODIUM POLYACRYLATE, PENTAERYTHRITYL TETRA-DI-T-BUTYL HYDROXYHYDROCINNAMATE, TRISODIUM ETHYLENEDIAMINE DISUCCINATE, C12-16 ALCOHOLS, TETRASODIUM IMINODISUCCINATE, ACETIC ACID, BENZOIC ACID, SODIUM BENZOATE, CITRIC ACID, POTASSIUM SORBATE, SODIUM HYDROXIDE, PHENOXYETHANOL, CHLORPHENESIN, SODIUM CHLORIDE, PARFUM (FRAGRANCE), CITRAL, CITRUS AURANTIUM PEEL OIL, HEXYL CINNAMAL, LIMONENE, MENTHOL, CI 19140 (YELLOW 5), CI 15985 (YELLOW 6).

Dispense and emulsify in hands. Apply to wet hair. Lather thoroughly and rinse well. Follow with No.5 Bond Maintenance® Conditioner or OLAPLEX mask of choice. A little goes a long way with this concentrated formula.

EUROPEAN TRACKED DELIVERY £5
Free when you spend £40
Receive your order in 5-7 working days to European countries.

EUROPEAN EXPRESS DELIVERY £8
Free when you spend £100
Receive your order in 1-2 working days to European countries.

Our EU Promise:
We pay all taxes and duties on orders to the EU (excluding Spain). Or receive your order for free.
Find out more here

US TRACKED DELIVERY £5
Free when you spend £40
Receive your order in 7-11 working days to the United States

US EXPRESS DELIVERY £10
Free when you spend £100
Receive your order in 1-2 working days to the United States

INTERNATIONAL TRACKED DELIVERY £5
Free when you spend £40
Receive your order in 7-14 working days to rest of world countries.

GIFT WRAPPING
If you'd like to send your order as a gift, we can add a beautiful finishing touch with our gift wrap. Choose complimentary gift wrap at checkout.

We ship worldwide! Find out more about our international shipping options on our delivery page.

RETURNS
Buy with confidence thanks to Space NK’s 100% Satisfaction Guarantee
Unopened product can be returned for a full refund or exchange within 28 days of purchase with proof of purchase.
Opened or used products that you are not completely satisfied with can be returned for an exchange within 28 days of purchase with proof of purchase.

Shop the line of bond-building Olaplex hair treatments at Space NK, including the bestselling Olaplex No3 Hair Perfector.