{"product_id":"kerastase-bain-extentioniste-strengthening-shampoo-8-5-fl-oz-daily-fortifying-reduces-split-ends","title":"KÉRASTASE Bain Extentioniste Strengthening Shampoo 8.5 fl oz — Daily Fortifying, Reduces Split Ends","description":"\u003cp\u003e\u003cstrong\u003eKÉRASTASE Bain Extentioniste is a daily strengthening shampoo formulated to cleanse the scalp, fortify fragile lengths, and help reduce the appearance of split ends while supporting healthier growth.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lightweight shampoo from KÉRASTASE’s Resistance Extentioniste line targets overstressed and damaged hair. Infused with Creatine R, ceramides, and taurine, the formula works to rebuild hair fibers, improve moisture retention, and protect strands from daily aggressors like heat and styling. It’s designed to be gentle enough for everyday use and pairs best with KÉRASTASE Resistance conditioners and masks to maximize reinforcement and length preservation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this shampoo help strengthen fragile, length-focused hair?\u003c\/h3\u003e\n\u003cp\u003eIts active blend focuses on rebuilding the internal structure of the hair shaft while sealing and smoothing the cuticle. Creatine R helps reinforce the fiber, and ceramides support moisture balance and resilience for visibly stronger lengths.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReinforces hair fiber structure with Creatine R\u003c\/li\u003e\n  \u003cli\u003eRestores cuticle integrity to reduce breakage\u003c\/li\u003e\n  \u003cli\u003eImproves moisture retention with ceramides and taurine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it work on chemically treated or heat-stressed hair?\u003c\/h3\u003e\n\u003cp\u003eThe formula is crafted for overstressed, brittle, and damaged hair, including strands affected by color, heat tools, or chemical services. It gently cleanses while delivering ingredients meant to reconstruct and protect weakened sections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGentle daily cleansing suitable for treated hair\u003c\/li\u003e\n  \u003cli\u003eTargets damage from heat styling and chemical processes\u003c\/li\u003e\n  \u003cli\u003eDesigned to be used alongside conditioners and masks for deeper repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use Bain Extentioniste for best results?\u003c\/h3\u003e\n\u003cp\u003eApply a small, quarter-size amount to wet hair and massage from roots through ends until evenly lathered, focusing on lengths and tips. Rinse fully and follow with a complementary Resistance Extentioniste conditioner or Therapiste mask as needed for added fortification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse daily or as tolerated by your hair type\u003c\/li\u003e\n  \u003cli\u003eMassage thoroughly to stimulate the scalp and distribute actives\u003c\/li\u003e\n  \u003cli\u003ePair with Resistance Extentioniste Conditioner and Therapiste Mask for optimal reinforcement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat specific ingredients should I expect and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe key actives include Creatine R to strengthen internal fiber bonds, ceramides to lock in moisture and protect the cuticle, and taurine to support scalp health and resilience. Together they focus on structural repair rather than temporary smoothing alone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCreatine R — helps reconstruct weakened hair from within\u003c\/li\u003e\n  \u003cli\u003eCeramides — promote moisture retention and cuticle protection\u003c\/li\u003e\n  \u003cli\u003eTaurine — supports scalp condition and fiber vitality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? KÉRASTASE Bain Extentioniste suits people with slow-growing, brittle, or damaged hair who want a daily shampoo that focuses on fortifying lengths and minimizing split-end appearance. Ideal for hair exposed to heat styling, coloring, or mechanical stress, it works best when integrated into the Resistance Extentioniste routine for comprehensive strengthening and length maintenance.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Sodium Laureth Sulfate, Coco-Betaine, Taurine, Cocamide Mipa, Sodium Chloride, Amodimethicone, Laureth-5 Carboxylic Acid, Ppg-5-Ceteth-20, Sodium Benzoate, Sodium Hydroxide, Citric Acid, Polyquaternium-10, Peg-55 Propylene Glycol Oleate, Propylene Glycol, Peg-60 Hydrogenated Castor Oil, Salicylic Acid, Amyl Cinnamal, Hexyl Cinnamal, Benzyl Alcohol, Linalool Hydroxycitronellal, Citronellol, Limonene, Creatine, 2-Oleamido-1,3-Octadecanediol, Benzyl Cinnamate, Sodium Acetate, Isopropyl Alcohol, Fragrance.\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 Bain Extentioniste safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The gentle cleansing formula is suitable for color-treated hair and focuses on reinforcing weakened lengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use this shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use daily or as your routine requires; follow with Resistance conditioner or mask for best reinforcement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":53430391013723,"sku":"B07D3T2YPV","price":58.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/kerastase-bain-extentioniste-front-packaging.jpg?v=1782250873","url":"https:\/\/remediesbeauty.co.uk\/products\/kerastase-bain-extentioniste-strengthening-shampoo-8-5-fl-oz-daily-fortifying-reduces-split-ends","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}