{"product_id":"kerastase-resistance-extentioniste-thermique-heat-protecting-leave-in-for-stronger-lengths","title":"KERASTASE Resistance Extentioniste Thermique — Heat Protecting Leave-In for Stronger Lengths","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDiscover KERASTASE Resistance Extentioniste Thermique, a heat-protecting leave-in cream crafted to prep mid-lengths and ends for healthier-looking hair. The lightweight, creamy formula glides through damp strands, helping shield against heat while supporting a stronger, more flexible feel. When used as part of the Extentioniste routine, it complements the rest of the Resistance line to help maintain hair integrity over time.\u003c\/p\u003e\n\u003ch3\u003eWhat it does\u003c\/h3\u003e\n\u003cp\u003eDesigned as a pre-styling primer, Extentioniste Thermique aims to protect hair during heat styling and to care for weakened lengths. In testing, the product is described as helping reduce blow-drying breakage and sealing split ends, while offering a protective barrier against high heat up to 450°F. The formula features Creatine R, an exclusive complex said to reinforce the internal structure of the hair fiber.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat protection up to 450°F (232°C) for safer styling.\u003c\/li\u003e\n  \u003cli\u003eClaims to reduce blow-drying breakage in tests (up to 90%).\u003c\/li\u003e\n  \u003cli\u003eSeals split ends to help keep a smooth, polished look.\u003c\/li\u003e\n  \u003cli\u003eCreatine R strengthens the internal hair structure for enhanced resilience.\u003c\/li\u003e\n  \u003cli\u003eCeramides boost shine, elasticity, and moisture retention; Taurine adds additional resilience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApply a quarter-sized amount to wet hair, focusing on mid-lengths to ends.\u003c\/li\u003e\n  \u003cli\u003eStyle with heat as usual; this is a leave-in primer, so no rinse is required.\u003c\/li\u003e\n  \u003cli\u003eFor best results, pair with Extentioniste Shampoo and Conditioner from the Resistance Collection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-life scenarios\u003c\/h3\u003e\n\u003cp\u003eImagine a busy morning where a quick blow-dry finishes a polished day-ready look. Or a hydration-rich routine that aims to smooth ends after washing. The Extentioniste Thermique acts as a prep step that works with your styling, while aligning with a broader routine to support longer-looking lengths. The focus is on feel, manageability, and a noticeable, healthy-looking shine that comes from a formula designed to nourish and protect without weighing hair down.\u003c\/p\u003e\n\u003cp\u003eIn practice, the product is intended for mid-lengths and ends that can benefit from reinforcement and protection during heat styling. When combined with the rest of the Resistance line, it forms a cohesive approach to care that emphasizes strength, resilience, and a refined finish over time.\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: What hair types is Extentioniste Thermique best suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for mid-lengths to ends, especially weakened areas, with best results when used with Extentioniste Shampoo and Conditioner.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I apply Extentioniste Thermique?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply a quarter-sized amount to damp hair from mid-lengths to ends, then style as usual.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":47482999275732,"sku":"B07Q7S1R8X","price":122.04,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/3561\/6724\/files\/kerastase-resistance-extentioniste-thermique-bottle.jpg?v=1769508331","url":"https:\/\/bellaviacanada.ca\/products\/kerastase-resistance-extentioniste-thermique-heat-protecting-leave-in-for-stronger-lengths","provider":"Bellavia Canada | Natural Beauty Rituals, Skincare \u0026 Makeup in Canada","version":"1.0","type":"link"}