{"product_id":"loreal-professionnel-paris-keratin-sleek-mirror-serum-5-keratin-sealer-heat-protection-to-450-f","title":"L'Oréal Professionnel Paris Keratin Sleek Mirror Serum — 5% Keratin Sealer, Heat Protection to 450°F","description":"\u003cp\u003e\u003cstrong\u003eL'Oréal Professionnel Keratin Alpha Sleek Mirror Serum is a heat-activated leave-in treatment with 5% Keratin Sealer that seals the hair for up to 10 washes of smoothness while protecting from humidity and heat up to 450°F.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for salon-level results at home, this lightweight serum targets frizz, excess volume and styling time. Its heat-reactive formula helps lock hair structure in place so styles stay sleeker longer. Alcohol- and artificial colorant-free, the product works on a wide range of hair types and is intended to be applied to towel-dried hair and sealed with heat for optimal performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum reduce frizz and keep hair smooth?\u003c\/h3\u003e\n\u003cp\u003eThe serum contains 5% Keratin Sealer, a concentrate that helps reconnect and smooth hair fibers when activated by heat. This sealing action reduces the irregularities on the hair surface that cause frizz, delivering a sleeker finish that resists moisture for several washes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5% Keratin Sealer binds to hair structure to smooth cuticle alignment.\u003c\/li\u003e\n  \u003cli\u003eHeat activation (blow-dry and optional flat iron) sets the sealing effect.\u003c\/li\u003e\n  \u003cli\u003eProtection against humidity preserves sleekness through damp conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it protect my hair from heat during styling?\u003c\/h3\u003e\n\u003cp\u003eYes — the formula delivers protection for heat styling up to 450°F, providing a shield for strands during blow-drying and flat ironing. Using the serum before thermal tools helps reduce damage risk while making straightening more efficient.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermal protection rated up to 450°F for safer high-heat styling.\u003c\/li\u003e\n  \u003cli\u003eLightweight texture avoids weighing hair down while protecting it.\u003c\/li\u003e\n  \u003cli\u003eRecommended to use on towel-dried hair, then blow-dry to activate benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long do results last and how should I apply it?\u003c\/h3\u003e\n\u003cp\u003eWhen used as instructed and heat-activated, the sealing effect can last through up to 10 washes, giving several weeks of reduced frizz and controlled volume. Apply a small amount to towel-dried hair, distribute evenly, do not rinse, then blow-dry and optionally flat-iron for the longest-lasting finish.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply on towel-dried hair; do not rinse out after application.\u003c\/li\u003e\n  \u003cli\u003eBlow-dry to activate the Keratin Sealer; flat iron for extended hold.\u003c\/li\u003e\n  \u003cli\u003eResults can persist up to 10 washes depending on routine and hair porosity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this serum suitable for all hair types and routines?\u003c\/h3\u003e\n\u003cp\u003eThe formula is crafted to work across hair textures and densities without adding sticky residue or heavy buildup. It’s alcohol-free and free of artificial colorants, making it compatible with many haircare regimens and safe to incorporate into a Keratin Alpha routine for enhanced smoothness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAlcohol-free and artificial colorant-free — gentle on treated hair.\u003c\/li\u003e\n  \u003cli\u003eLightweight finish works on fine to thick hair without greasiness.\u003c\/li\u003e\n  \u003cli\u003ePairs well with other Keratin Alpha products for maximized results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? L'Oréal Professionnel Keratin Alpha Sleek Mirror Serum is aimed at anyone who wants salon-grade smoothing at home—people with frizz-prone hair, those who style with heat regularly, or anyone seeking to shorten daily styling time while protecting strands from humidity and high temperatures. It’s a practical option for clients following keratin routines and for everyday users wanting longer-lasting sleekness without heavy residue.\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 do I need to reapply the serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply once to towel-dried hair before heat styling; the sealing effect lasts up to 10 washes, so reapply after shampooing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this on color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is alcohol-free and without artificial colorants, making it suitable for color-treated hair when used as directed.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"L'Oréal Professionnel Paris","offers":[{"title":"Default Title","offer_id":49621393473674,"sku":"B0GCT6PVWS","price":117.71,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/loreal-keratin-alpha-front-packaging.jpg?v=1782854215","url":"https:\/\/auviraskincare.com\/products\/loreal-professionnel-paris-keratin-sleek-mirror-serum-5-keratin-sealer-heat-protection-to-450-f","provider":"Auvira Beauty","version":"1.0","type":"link"}