{"product_id":"kerastase-premiere-hair-repair-serum-for-damaged-hair-450-f-heat-protection-split-end-repair","title":"KÉRASTASE Premiere Hair Repair Serum for Damaged Hair — 450°F Heat Protection, Split-End Repair","description":"\u003cstrong\u003eKÉRASTASE Premiere Hair Repair Serum is a leave-in treatment that strengthens damaged strands, seals split ends, and shields hair from heat up to 450°F for smoother, shinier results.\u003c\/strong\u003e\n\n\u003cp\u003eThis lightweight serum is formulated to rebuild and protect fragile hair. It combines targeted rebuilding ingredients with a heat- and humidity-resistant finish to reduce breakage, tame frizz, and enhance shine without weighing hair down. Ideal to use after washing on towel-dried hair, it’s designed to be left in and styled with heat tools or air-dried for lasting manageability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum repair and strengthen broken hair fibers?\u003c\/h3\u003e\n\u003cp\u003eThe formula uses peptide technology and amino acids to reconnect and reinforce weakened protein links inside the hair fiber. These actives help reduce the appearance of split ends and improve tensile strength, so strands bend and move with less breakage over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePeptides to fortify and smooth the hair cortex\u003c\/li\u003e\n  \u003cli\u003eGlycine to reconnect keratin chain links\u003c\/li\u003e\n  \u003cli\u003eVisible reduction in split-end appearance with continued use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it protect my hair when I blow-dry or use a flat iron?\u003c\/h3\u003e\n\u003cp\u003eYes — the serum provides thermal protection rated up to 450°F, making it suitable for most styling tools. It forms a protective layer that helps prevent heat-related weakening while promoting a sleeker finish that is easier to style.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat protection up to 450°F for styling security\u003c\/li\u003e\n  \u003cli\u003eLightweight texture that won’t make hair greasy\u003c\/li\u003e\n  \u003cli\u003eWorks under blow-drying, flat irons, and curling tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it control frizz and react to humidity?\u003c\/h3\u003e\n\u003cp\u003eThe product repels humidity and locks out moisture that causes frizz, so hair stays smoother and more defined in humid environments. The finish helps maintain three times smoother hair texture compared with unwashed hair, improving manageability throughout the day.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHumidity-resistant barrier to minimize frizz\u003c\/li\u003e\n  \u003cli\u003eLeaves hair visibly smoother and easier to comb\u003c\/li\u003e\n  \u003cli\u003eHelps maintain style shape in damp conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use it for best results?\u003c\/h3\u003e\n\u003cp\u003eApply a small amount to towel-dried hair from mid-lengths to ends, then leave in—no rinse needed. You can blow-dry or air-dry and finish with your usual styling routine; repeated use builds stronger-looking, glossier hair over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on towel-dried hair after shampoo and conditioner\u003c\/li\u003e\n  \u003cli\u003eDistribute evenly through mid-lengths and ends; avoid the roots\u003c\/li\u003e\n  \u003cli\u003eLeave in and style as usual for thermal protection and shine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: KÉRASTASE Premiere Hair Repair Serum suits people with chemically treated, heat-styled, or mechanically stressed hair who want to reduce breakage, tame split ends, and protect styles from heat and humidity. It performs well for anyone seeking a lightweight leave-in that rebuilds fiber strength while adding noticeable smoothness and shine without heaviness.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAQUA \/ WATER \/ EAU • ISOPROPYL MYRISTATE • DIMETHICONE • TRIETHANOLAMINE • AMODIMETHICONE • PARFUM \/ FRAGRANCE • PHENOXYETHANOL • CARBOMER • POLYQUATERNIUM-4 • POTATO STARCH MODIFIED • LIMONENE • HYDROXYPROPYL GUAR • BEHENTRIMONIUM CHLORIDE • HYDROLYZED VEGETABLE PROTEIN PG-PROPYL SILANETRIOL • GLYCINE • TRIDECETH-6 • ISOPROPYL ALCOHOL • LINALOOL • CETRIMONIUM CHLORIDE • CITRAL • COUMARIN • BENZYL SALICYLATE • SODIUM BENZOATE • BENZYL ALCOHOL • CITRONELLOL • ALPHA-ISOMETHYL IONONE • POTASSIUM SORBATE • GERANIOL\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: Can I use this product on color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The serum is suitable for color-treated hair and helps protect against breakage and heat-related fading during styling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to rinse the serum out?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This is a leave-in treatment—apply to towel-dried hair and style as usual without rinsing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÉRASTASE","offers":[{"title":"Default Title","offer_id":67556467409066,"sku":"B0CS1V3WR4","price":130.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/8989\/6874\/files\/kerastase-premiere-serum-front-packaging.jpg?v=1790936066","url":"https:\/\/opulora.ca\/products\/kerastase-premiere-hair-repair-serum-for-damaged-hair-450-f-heat-protection-split-end-repair","provider":"OPULORA","version":"1.0","type":"link"}