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A highly-nourishing and reparative shampoo. N°4 Shampoo repairs and protects hair from everyday stresses — including damaged hair, split ends, and frizz — by re-linking broken bonds. Leaves hair easier to manage, shinier and healthier with each use. N°4 is color-safe and proven to reduce breakage and strengthen all types of hair. PH Balance: 6-6.5
Concentrate on roots.
Formulated for daily or every wash use.
All hair types and textures.
Apply and massage product throughout hair.
Thoroughly rinse product from hair.
OLAPLEX products are thoroughly tested in-house and by independent third-party laboratories for safety and efficacy. This product testing includes the industry standard Human Repeat Insult Patch Test (HRIPT), which tests for skin irritation or sensitivity. All of OLAPLEX products passed the HRIPT, meaning the products show no signs of causing irritation, inflammation, or sensitivity.
"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 Pareth-7, Laureth-9, Glycerin, Trideceth-12, C12-13 Pareth-23, C12-13 Pareth-3, Hydrolyzed Vegetable Protein, PG-Propyl Silanetriol, Panthenol, Acetic Acid, Tetrasodium EDTA, Pentasodium Triphosphate, Sodium Hydroxide, Disodium EDTA, Helianthus Annus (Sunflower) Seed Oil, Tocopherol, Prunus Armeniaca (Apricot) Kernel Oil, Pseudozyma Epicola/Camellia Sinensis Seed Oil Ferment Extract Filtrate,
Pseudozyma Epicola/Argania Spinosa Kernel Oil Ferment Filtrate, Quaternium-95,
Propanediol, Helianthus Annus (Sunflower) Seed Extract, PEG-8, Euterpe Oleracea Fruit Extract, Punica Granatum Extract, Rosemarinus Officinalis (Rosemary) Leaf Extract, Musa Sapientum (Banana) Fruit Extract, Origanum Vulgare Lear Extract, Morinda Citrifolia Fruit Extract, Articum Lappa Root Extract, PEG-8/SMDI Copolymer, Sodium Hyaluronate, Palmitoyl Myristyl Serinate, Sodium Polyacrylate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Biotin, Benzoic Acid, Phenoxyethanol, Chlorphenesin, Potassium Sorbate, Sodium Benzoate, Fragrance(Parfum), Citral, Hexyl Cinnamal, Limonene"
Please note estimated shipping times include processing time at the warehouse and are calculated from the date the order is placed. You may receive a next day delivery dispatch email as late as 12:30am on the day your delivery is expected
All orders (subject to our returns policy) can be returned up to 28 days after the date of purchase.
We've gone paperless! You'll now no longer receive a delivery note in your parcel. Don’t worry – Returns are still quick, easy and free.
Start a return here.
Please note, we cannot offer refunds on beauty, pierced jewellery or on swimwear if the hygiene seal is not in place or has been broken.
We now offer FREE label-free returns with InPost Lockers (available 24/7), FREE Doddle Returns to all UK customers as well as a FREE UK Collect+ returns service via over 5,900 local stores nationwide.
Click here for further details on how to return your items and our returns policy.
If you’d prefer to re-sell your PLT pieces rather than returning, simply head over to the PLT Marketplace App.
With the ‘My Wardrobe’ feature you can find all previous orders meaning your items can be listed in seconds. Sell with ease with 0% selling fees for the first 3 months for new users
How to measure
Measure across the fullest part of the bust and across the shoulder blades.
Measure around the slimmest part of your natural waistline - above your navel and below your ribcage.
Measure at the widest part.
Measure from the top of the inside leg at the crotch down to the ankle bone.
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