--- product_id: 651084274 title: "Onion Keratin DuoBox Anti-Frizz & Smoothing Treatment Set | With biotin and rosemary, smooths frizz and adds shine, for dry and damaged hair, includes shampoo and keratin treatment" brand: "natural sant" price: "$44.97" currency: USD in_stock: true reviews_count: 8 category: "Natural Sant" url: https://www.desertcart.us/products/651084274-onion-keratin-duobox-anti-frizz-and-smoothing-treatment-set-biotin store_origin: US region: United States of America --- # 4-6 months long-lasting smoothness Natural Onion, Rosemary & Biotin blend 90% hair straightening efficacy Onion Keratin DuoBox Anti-Frizz & Smoothing Treatment Set | With biotin and rosemary, smooths frizz and adds shine, for dry and damaged hair, includes shampoo and keratin treatment **Brand:** natural sant **Price:** $44.97 **Availability:** ✅ In Stock ## Summary > ✨ Unlock your hair’s natural power with lasting sleekness! 🌿 ## Quick Answers - **What is this?** Onion Keratin DuoBox Anti-Frizz & Smoothing Treatment Set | With biotin and rosemary, smooths frizz and adds shine, for dry and damaged hair, includes shampoo and keratin treatment by natural sant - **How much does it cost?** $44.97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/651084274-onion-keratin-duobox-anti-frizz-and-smoothing-treatment-set-biotin) ## 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 - • **Safe & Gentle Care:** Paraben, salt, and formaldehyde free—perfect for sensitive scalps and allergy-prone users. - • **Frizz-Free Sleekness:** Tames frizz instantly for polished, salon-quality hair. - • **Strength & Shine Boost:** Keratin deeply nourishes and repairs dry, damaged strands for stronger, shinier locks. - • **Long-Lasting Protection:** Enjoy up to 6 months of smooth, straight hair shielded from environmental stressors. - • **Power-Packed Natural Formula:** Infused with antioxidant-rich onion, rosemary, and biotin for healthier hair growth. ## Overview Natural Sant Onion Keratin DuoBox is a 120ml professional-grade hair treatment designed to deeply repair, smooth, and straighten dry, damaged hair. Enriched with natural onion, rosemary, and biotin extracts, it delivers up to 90% straightening results lasting 4 to 6 months while controlling frizz and boosting shine. Free from parabens, salts, and formaldehyde, this formula offers a safe, nourishing solution for healthier, more manageable hair. ## Description Product description Review: Lo recomiendo - Excelente calidad ,lo recomiendo muchísimo Review: Recomendado 100% - Excelente producto! Mi cabello quedó súper suave y con brillo. Tenía miedo de usarlo por qué soy muy alérgica y temía que me diera caspa. Pero no! Es excelente. Lo recomiendo 100%. ## 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 | |---------------|-------| | ASIN | B0D7MTV83X | | Best Sellers Rank | #66,933 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #39 in Chemical Hair Straighteners | | Brand | Natural sant | | Brand Name | Natural sant | | Customer Reviews | 4.2 out of 5 stars 358 Reviews | | Global Trade Identification Number | 07708755911987 | | Hair Type | All | | Item Form | Liquid | | Item Weight | 0.37 Kilograms | | Manufacturer | Naturalsant | | Manufacturer Part Number | GG-SY9S-CHYR | | Material Features | Natural | | Model Number | GG-SY9S-CHYR | | Product Benefits | Straightening | | Scent | Floral | | Scent Name | Floral | | Set Name | Duo Box Onion Keratin Set | | Special Ingredients | Onion, Rosemary and Biotin | | Unit Count | 4.06 Fluid Ounces | ## Product Details - **Brand:** Natural sant - **Hair Type:** All - **Item Form:** Liquid - **Item Weight:** 0.37 Kilograms - **Product Benefits:** Straightening ## Images ![Onion Keratin DuoBox Anti-Frizz & Smoothing Treatment Set | With biotin and rosemary, smooths frizz and adds shine, for dry and damaged hair, includes shampoo and keratin treatment - Image 1](https://m.media-amazon.com/images/I/81wrwFNcA7L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Lo recomiendo *by Y***O on May 7, 2026* Excelente calidad ,lo recomiendo muchísimo ### ⭐⭐⭐⭐⭐ Recomendado 100% *by L***A on April 14, 2026* Excelente producto! Mi cabello quedó súper suave y con brillo. Tenía miedo de usarlo por qué soy muy alérgica y temía que me diera caspa. Pero no! Es excelente. Lo recomiendo 100%. ### ⭐⭐⭐⭐⭐ Excelente *by A***Y on April 30, 2026* Alisado perfecto ## 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.us/products/651084274-onion-keratin-duobox-anti-frizz-and-smoothing-treatment-set-biotin](https://www.desertcart.us/products/651084274-onion-keratin-duobox-anti-frizz-and-smoothing-treatment-set-biotin) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-19*