--- product_id: 723272261 title: "NATURAL SANT - Onion Keratin DuoBox 120ml – Deep Repair & Smoothing for Dry, Damaged Hair, Frizz Control & Heat Protection with Biotin & Rosemary" brand: "natural sant" price: "€ 64.90" currency: EUR in_stock: true category: "Natural Sant" url: https://www.desertcart.hr/products/723272261-natural-sant-onion-keratin-duobox-120ml-deep-repair-and-smoothing store_origin: HR region: Croatia --- # Biotin & Rosemary antioxidant boost Heat protection & frizz control 90% straight hair for 4-6 months NATURAL SANT - Onion Keratin DuoBox 120ml – Deep Repair & Smoothing for Dry, Damaged Hair, Frizz Control & Heat Protection with Biotin & Rosemary **Brand:** natural sant **Price:** € 64.90 **Availability:** ✅ In Stock ## Summary > ✨ Unlock your hair’s natural power with science & nature 🌿 ## Quick Answers - **What is this?** NATURAL SANT - Onion Keratin DuoBox 120ml – Deep Repair & Smoothing for Dry, Damaged Hair, Frizz Control & Heat Protection with Biotin & Rosemary by natural sant - **How much does it cost?** € 64.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/723272261-natural-sant-onion-keratin-duobox-120ml-deep-repair-and-smoothing) ## Best For - natural sant enthusiasts ## Why This Product - Trusted natural sant brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Damage Defense Shield:** Paraben, salt, and formaldehyde-free formula that protects your hair from heat and environmental stressors. - • **Effortless Manageability:** Transform dry, damaged hair into silky, manageable locks that turn heads in every boardroom and brunch. - • **Deep Repair & Shine Boost:** Keratin rebuilds and repairs damaged strands, leaving your hair visibly stronger, smoother, and radiant. - • **Nature-Powered Nourishment:** Infused with onion, rosemary, and biotin to strengthen hair from root to tip while promoting healthy growth. - • **Sleek & Lasting Straightness:** Enjoy up to 6 months of 90% frizz-free, polished hair with our advanced keratin formula. ## Overview NATURAL SANT Onion Keratin DuoBox is a 120ml deep repair and smoothing treatment designed for dry, damaged hair. Combining keratin with onion, rosemary, and biotin extracts, it delivers up to 6 months of 90% straight, frizz-free hair while promoting healthy growth and protecting against heat and environmental damage. Free from parabens, salts, and formaldehyde, this formula strengthens, nourishes, and enhances shine for effortlessly polished hair. ## Description Discover the transformative power of our Onion Keratin Hair Straightening Treatment, designed to give you sleek, smooth, and beautifully straight hair. This innovative formula combines the strengthening properties of keratin with the nourishing benefits of onion extract. Keratin, a natural protein, rebuilds and repairs hair structure, leaving it strong, shiny, and frizz-free. Onion extract, rich in antioxidants, promotes healthy hair growth, reduces breakage, and adds a natural shine. Suitable for all hair types, this treatment not only straightens your hair but also provides deep nourishment and lasting protection against damage. ## Features - Onion, Rosemary and Biotin Keratin Hair straightening: Achieve sleek, smooth, and straight hair with our onion, rosemary and biotin Keratin Hair Straightening. Infused with the goodness of keratin and onion extract, this powerful formula tames frizz, boosts shine, and promotes long-lasting smoothness. Perfect for those seeking a polished, frizz-free look. - Strengthening Keratin: Restore and strengthen your hair with our Duobox Keratin for an immediate straight hair with some steps you must follow. Formulated with natural keratin, it deeply nourishes and repairs, leaving your hair stronger, shinier, and free of frizz. The ideal steps for healthier, more manageable hair. - Nourishing Onion, Rosemary and Biotin extracts: Packed with antioxidants, our Onion Shampoo promotes healthy hair growth, reduces breakage, and adds a natural, radiant shine. This formula is enriched with biotin and rosemary, ensuring your hair gets the best natural care. Experience the power of natural extracts for visibly healthier hair. - Long-lasting straight hair: Our innovative Onion Duobox keratin will last for about 4 to 6 months in your hair and will leave a 90% straight hair. This natural-based keratin will work as a shield for your hair from environmental stressors, ensuring your locks stay healthy, shiny, and strong over time. Paraben free, salt free and formaldehyde free: These characteristics will keep your hair safe from damage, will help to promote hair shine and softness. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Naturalsant | | Package Dimensions | 14.6 x 7.7 x 5.89 cm; 372 g | | ASIN | B0D7MTV83X | ## Product Details - **Brand:** Natural sant - **Hair type:** All - **Item weight:** 0.37 Kilograms - **Product benefits:** Straightening - **Item form:** Liquid ## Images ![NATURAL SANT - Onion Keratin DuoBox 120ml – Deep Repair & Smoothing for Dry, Damaged Hair, Frizz Control & Heat Protection with Biotin & Rosemary - Image 1](https://m.media-amazon.com/images/I/81wrwFNcA7L.jpg) ## Frequently Bought Together - Natural Sant Keratin Hair Treatment Onion Duobox 120 ml - Onion, Rosemary and Biotin Straightener, Deep Repair Conditioning, for Dry or Damaged Hair - NATURAL SANT - Onion Biotin and Rosemary Shampoo & Treatment Set for Stronger, Thicker and Longer Hair - Soft and Shine, Hair Loss and Thinning Hair, Growth Shampoo, Paraben Free, Silicone Free - Natural Sant - Liso Vital duo kit - Shampoo & Leave-In Conditioner, Anti Frizz, Heat Protectant for Hair with Red onion extract, Biotin & Rosemary --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/723272261-natural-sant-onion-keratin-duobox-120ml-deep-repair-and-smoothing](https://www.desertcart.hr/products/723272261-natural-sant-onion-keratin-duobox-120ml-deep-repair-and-smoothing) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-13*