{"product_id":"olaplex-nº-4-bond-maintenance-shampoo-250-ml-hydrating-breakage-reducing-bond-building-cleanser","title":"Olaplex Nº.4 Bond Maintenance Shampoo — 250 mL Hydrating, Breakage-Reducing Bond-Building Cleanser","description":"\u003cstrong\u003eOlaplex Nº.4 Bond Maintenance Shampoo is a concentrated, bond-building cleansing formula that reduces breakage while hydrating and smoothing all hair types in one wash.\u003c\/strong\u003e\n\n\u003cp\u003eThis reparative shampoo uses Olaplex’s patented bond-building chemistry to restore internal hair strength and improve manageability. It cleanses using a mild coconut-derived surfactant blend that produces a rich lather while protecting moisture levels, making hair easier to detangle and styling-ready. The formula is color-safe and designed for everyday use on coily, curly, wavy, and straight textures.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this shampoo reduce breakage without stripping moisture?\u003c\/h3\u003e\n\u003cp\u003eNº.4 contains Olaplex’s bond-building ingredient that helps reconnect and reinforce weakened disulfide bonds inside the hair shaft while the gentle surfactants cleanse. Instead of aggressive detergents, it uses coconut-based and mild amino-acid surfactants that lift oil and debris but leave moisture intact, reducing friction and mechanical damage during washing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBond-building technology supports internal hair structure.\u003c\/li\u003e\n  \u003cli\u003eMild coconut-derived surfactants create abundant, non-drying lather.\u003c\/li\u003e\n  \u003cli\u003eHumectants like glycerin and sodium hyaluronate retain hydration.\u003c\/li\u003e\n  \u003cli\u003eSilicone derivatives smooth cuticles to limit tangling and breakage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with colored or chemically treated hair?\u003c\/h3\u003e\n\u003cp\u003eNº.4 is formulated to be color-safe and is commonly used after color, bleach, or chemical services to help restore tensile strength. It won’t accelerate color fade and pairs well with Olaplex conditioners and treatments to improve overall condition when used as a system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for color-treated and highlighted hair.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Olaplex Nº.3 at-home treatment and Nº.5 conditioner for best results.\u003c\/li\u003e\n  \u003cli\u003eHelps manage post-service porosity and surface texture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use Nº.4 for best results?\u003c\/h3\u003e\n\u003cp\u003eApply to wet hair and massage into the scalp and lengths, then rinse thoroughly; follow with a conditioner or Olaplex treatments as needed. For visible improvement in strength and shine, use regularly and pair with Nº.3 and Nº.5 in a three-step routine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a quarter-size to palmful depending on hair length and density.\u003c\/li\u003e\n  \u003cli\u003eMassage into scalp to distribute and cleanse; leave for 30–60 seconds for full spread if desired.\u003c\/li\u003e\n  \u003cli\u003eRinse and follow with a hydrating conditioner or mask for added slip and moisture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sensory and ingredient highlights should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe shampoo delivers a creamy, abundant foam with a light fragrance and a balanced slip that eases detangling. Its ingredient list combines gentle surfactants, conditioning polymers, plant-derived oils and extracts, and Olaplex’s active bond ingredient to address strength and surface appearance simultaneously.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCreamy lather from coconut-derived surfactants for comfortable washing.\u003c\/li\u003e\n  \u003cli\u003eConditioning agents (amodimethicone, polyquaterniums) smooth and reduce static.\u003c\/li\u003e\n  \u003cli\u003eBotanical extracts and oils help surface nourishment and shine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Olaplex Nº.4 Bond Maintenance Shampoo is aimed at anyone seeking to strengthen and protect hair from everyday damage — ideal for people with dry, damaged, color-treated, chemically processed, or naturally textured hair who want smoother, more manageable strands without aggressive cleansing. It’s also a practical choice for those building a salon-grade at-home routine alongside Olaplex Nº.3 and Nº.5.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater (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\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Olaplex Nº.4 safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Nº.4 is color-safe and formulated to cleanse gently without accelerating color fade.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use Nº.4 to see results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use with each wash; noticeable improvements in manageability and reduced breakage appear with consistent use, especially paired with Nº.3 and Nº.5.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Olaplex","offers":[{"title":"Default Title","offer_id":57794269643084,"sku":"B07D37PQGL","price":46.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/olaplex-n4-front-packaging.jpg?v=1781477792","url":"https:\/\/belvera.co.uk\/products\/olaplex-n%c2%ba-4-bond-maintenance-shampoo-250-ml-hydrating-breakage-reducing-bond-building-cleanser","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}