{"product_id":"natural-sant-onion-keratin-duobox-120ml-2-step-deep-repair-frizz-control-with-biotin-and-rosemary","title":"Natural sant Onion Keratin DuoBox 120ml — 2-Step Deep Repair \u0026 Frizz Control with Biotin and Rosemary","description":"\u003cp\u003e\u003cstrong\u003eNATURAL SANT Onion Keratin DuoBox is a two-step 120ml keratin treatment that smooths, repairs and reduces frizz for dry or damaged hair without formaldehyde.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis professional-style duo combines an onion-enriched keratin formula with rosemary and biotin to rebuild hair strength, improve manageability and deliver long-lasting straightness. Designed for at-home or salon use, the set focuses on nourishing, heat-protecting performance and a polished finish that can last months when applied per instructions. It avoids parabens, salt and formaldehyde, and aims to leave hair smoother, shinier and easier to style.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this DuoBox restore and strengthen damaged hair?\u003c\/h3\u003e\n\u003cp\u003eThe keratin blend in the DuoBox deposits proteins to reinforce the hair shaft while onion, rosemary and biotin support resilience and reduce breakage. Together they help rebuild surface and inner structure so strands appear healthier and less prone to split ends.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeratin replenishes weakened hair fibers for improved tensile strength.\u003c\/li\u003e\n  \u003cli\u003eOnion extract supplies antioxidants that support scalp and strand health.\u003c\/li\u003e\n  \u003cli\u003eBiotin and rosemary assist in reducing brittleness and enhancing shine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat results should I expect for frizz control and straightness?\u003c\/h3\u003e\n\u003cp\u003eWhen applied correctly, the treatment smooths the cuticle and reduces frizz, delivering a noticeably straighter look that can last several months. Results vary by hair type and aftercare, but many users report significantly reduced styling time and a sleeker appearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisible frizz reduction and smoother texture immediately after treatment.\u003c\/li\u003e\n  \u003cli\u003eLonger-lasting straightness (reported durability varies by hair and maintenance).\u003c\/li\u003e\n  \u003cli\u003eImproved shine and easier daily styling with heat protection benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the two-step system safely at home?\u003c\/h3\u003e\n\u003cp\u003eFollow the included instructions exactly: cleanse hair, apply the keratin solution, process as directed, rinse or neutralize if specified, then seal with heat using a flat iron at the recommended temperature. Performing a strand test first and using proper ventilation are advised for best results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBegin with a clarifying wash to remove build-up and prepare strands.\u003c\/li\u003e\n  \u003cli\u003eApply product evenly, process for the recommended time and rinse per instructions.\u003c\/li\u003e\n  \u003cli\u003eSeal with heat (flat iron) in small sections to lock in smoothness and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect from ingredients and safety features?\u003c\/h3\u003e\n\u003cp\u003eThe formula emphasizes natural extracts and avoids parabens, added salts and formaldehyde, focusing on nutrient-rich botanicals and keratin protein. This reduces some common irritants while still delivering smoothing performance; still follow safety instructions and patch-test if you have a sensitive scalp.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOnion, rosemary and biotin work alongside keratin for nourishment and shine.\u003c\/li\u003e\n  \u003cli\u003eFree from parabens, salt and formaldehyde to limit harsh chemical exposure.\u003c\/li\u003e\n  \u003cli\u003eSuitable for many hair textures but perform a strand test for color-treated or fragile hair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: NATURAL SANT Onion Keratin DuoBox is aimed at people with dry, frizzy or chemically damaged hair who want a salon-quality smoothing treatment at home or under a stylist’s care. It’s a good match for users seeking reduced styling time, improved hair manageability and a straighter finish without formaldehyde. Not recommended for those allergic to onion or any listed botanical ingredients; consult a stylist for very fragile or extensively chemically-treated hair.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eOnion\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 long does the smoothing effect last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically several months with proper aftercare; exact duration varies by hair type and maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Often compatible, but perform a strand test first and consult a stylist for fragile or heavily treated hair.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Natural sant","offers":[{"title":"Default Title","offer_id":53436687712603,"sku":"B0D7MTV83X","price":33.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/natural-sant-duobox-front-packaging.jpg?v=1782332874","url":"https:\/\/remediesbeauty.co.uk\/products\/natural-sant-onion-keratin-duobox-120ml-2-step-deep-repair-frizz-control-with-biotin-and-rosemary","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}