{"product_id":"kerastase-extentioniste-scalp-hair-serum-1-7-fl-oz-lightweight-leave-in-to-strengthen-and-prevent-breakage","title":"KÉRASTASE Extentioniste Scalp \u0026 Hair Serum — 1.7 fl oz, lightweight leave-in to strengthen and prevent breakage","description":"\u003cp\u003e\u003cstrong\u003eKÉRASTASE Resistance Extentioniste Scalp \u0026amp; Hair Serum is a concentrated leave-in treatment that soothes the scalp and fortifies hair fibers to help achieve stronger, longer lengths.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lightweight, non-greasy serum targets both scalp comfort and hair reinforcement. Formulated with ceramides and active ingredients from the Resistance range, it repairs the internal structure of stressed or damaged hair, reduces the appearance of split ends, and helps protect strands from breakage while keeping the scalp balanced and comfortable.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum support longer, healthier hair?\u003c\/h3\u003e\n\u003cp\u003eThe formula strengthens the hair fiber from root to tip, improving elasticity so strands resist snapping as they grow. Regular application focuses treatment where it matters most — at the scalp and immediate root zone — to reduce breakage that shortens length retention.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains ceramides to rebuild internal hair structure and improve elasticity.\u003c\/li\u003e\n  \u003cli\u003eTargets split ends and frayed surfaces to reduce breakage during styling.\u003c\/li\u003e\n  \u003cli\u003eLightweight, leave-in texture that won’t weigh hair down or leave residue.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use the serum for best results?\u003c\/h3\u003e\n\u003cp\u003eApply the serum directly to the scalp once or twice weekly using three pipettes per application. Work through sections, massage gently to distribute, and style as usual — no rinse needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 3 pipettes for each treatment, once or twice a week depending on need.\u003c\/li\u003e\n  \u003cli\u003eDivide hair into sections, apply to the scalp, then massage to activate ingredients.\u003c\/li\u003e\n  \u003cli\u003eFollow with styling; compatible with Extentioniste shampoo and conditioner for a full regimen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it grease my hair or interfere with styling?\u003c\/h3\u003e\n\u003cp\u003eThe serum is formulated to be non-greasy and absorb quickly, so it won’t leave an oily film or affect your usual styling routine. It’s designed to sit at the scalp and hair root to deliver active ingredients without coating mid-lengths and ends excessively.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-greasy texture suitable for all hair types, including fine hair.\u003c\/li\u003e\n  \u003cli\u003eLeaves scalp feeling purified and comfortable without residue.\u003c\/li\u003e\n  \u003cli\u003eCompatible with heat styling and daily products when used as directed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat improvements can I realistically expect, and when?\u003c\/h3\u003e\n\u003cp\u003eYou can expect improved scalp comfort, reduced breakage, and stronger-feeling hair over consistent use. Visible reduction in split ends and a smoother hair surface often appears after several applications, with longer-term strength gains over weeks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShort-term: soothed scalp and smoother hair surface after a few treatments.\u003c\/li\u003e\n  \u003cli\u003eMedium-term: fewer breakages and improved elasticity with regular use.\u003c\/li\u003e\n  \u003cli\u003eBest results when paired with other Resistance Extentioniste products for a complete routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This serum suits anyone aiming to grow and maintain healthy lengths—especially those with damaged, sensitized, or breakage-prone hair. It works across hair types and textures for users seeking a targeted, leave-in scalp and root treatment to strengthen strands, reduce split ends, and support long-term hair resilience.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Polyquaternium-37, Paraffinum Liquidum \/ Mineral Oil, Amodimethicone, Polysorbate 2, Quaternium-7, Stearyl Alcohol, Menthoxypropanediol, Behentrimonium Chloride, Safflower Glucoside, Maltodextrin, Propylene Glycol, Candelilla Cera \/ Candelilla Wax, Ppg-1 Trideceth-6, Propanediol, Chlorhexidine Digluconate, Isopropyl Alcohol, Trideceth-6, Acrylates Copolymer, Sorbitan Oleate, Polyquaternium-11, Rose Extract, 2-Oleamido-1, 3-Octadecanediol, Cetrimonium Chloride, Camellia Sinensis Leaf Extract, Xanthan Gum, Tocopherol, Bht, Sodium Citrate, 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: How often should I apply the Extentioniste scalp serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use three pipettes once or twice weekly, massaging into the scalp; no rinse required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this serum suitable for all hair types?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the lightweight, non-greasy formula is designed for all hair types, including damaged or sensitized hair.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":51487659229417,"sku":"B07D58FSWY","price":171.22,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/kerastase-extentioniste-front-packaging.jpg?v=1783286351","url":"https:\/\/cervaaustralia.com\/products\/kerastase-extentioniste-scalp-hair-serum-1-7-fl-oz-lightweight-leave-in-to-strengthen-and-prevent-breakage","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}