--- product_id: 660927743 title: "Strengthening Bond Builder, 90ml" brand: "kerasilk" price: "¥12054" currency: JPY in_stock: true category: "Kerasilk" url: https://www.desertcart.jp/products/660927743-strengthening-bond-builder-90ml store_origin: JP region: Japan --- # 100% vegan & natural formula deep-acting leave-in hydration 20x stronger hair bonds Strengthening Bond Builder, 90ml **Brand:** kerasilk **Price:** ¥12054 **Availability:** ✅ In Stock ## Summary > 🧴 Unlock the secret to unbreakable hair—because your strands deserve the VIP treatment! ## Quick Answers - **What is this?** Strengthening Bond Builder, 90ml by kerasilk - **How much does it cost?** ¥12054 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/660927743-strengthening-bond-builder-90ml) ## Best For - kerasilk enthusiasts ## Why This Product - Trusted kerasilk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Vegan Powerhouse:** Infused with Biomimetic Silk & Bondamide in a 100% vegan formula—no animal-derived ingredients, all natural vitality. - • **Deep Cortex Repair:** Penetrates deep into the hair cortex to restructure and fortify from within. - • **Unbreakable Strength Boost:** Rebuilds hair bonds up to 20x stronger for resilient, damage-proof strands. - • **Elasticity & Bounce Revival:** Clinically proven to enhance hair elasticity, leaving your hair springy and full of life. - • **Effortless Leave-In Treatment:** Apply on towel-dried hair and go—no rinse needed for smooth, shiny, and strengthened hair all day. ## Overview The Strengthening Bond Builder is a 90ml high-performance, leave-in hair treatment that rebuilds hydrogen and ionic bonds to fortify even severely damaged hair. Infused with Biomimetic Silk and Bondamide, this 100% vegan formula penetrates deep into the hair cortex to restore strength, elasticity, and shine, delivering up to 20x stronger, healthier-looking hair with reduced breakage. ## Description This deep-acting, high-performance treatment builds bonds to restructure and fortify even highly damaged hair right down to the cortex. It optimally restores natural strength, resilience and elasticity and prevents future breakage. For strong, healthy-looking hair that feels unbreakable and is full of bounce. Infused with Biomimetic Silk & Bondamide. Key Benefits: -Restores even highly damaged and weakened hair from within -Significantly reduces and prevents hair breakage -Strengthens the hair structure from the inside, for up to 20 x stronger hair -Significantly improves the elasticity of each hair strand: clinically tested in comparison to untreated hair -Provides natural shine and increased smoothness. ## Features - A deep-acting, high-performance treatment infused with Biomimetic Silk & Bondamide Our 100 % vegan* formula builds new bonds to restructure and fortify even highly damaged hair right down to the cortex for up to 20x stronger, healthy-looking hair that feels unbreakable *no animal-derived ingredients - Builds new hydrogen and ionic bonds and fortifies weakened bonds inside the hair for deep hair regeneration - Apply into towel-dried hair; Leave in ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CPK86HFX | | ASIN | B0CPK86HFX | | Additional Features | Leave In, Smoothing, Strengthens | | Age Range Description | Adult | | Best Sellers Rank | #339,216 in Beauty ( See Top 100 in Beauty ) #2,330 in Hair Deep Conditioners & Treatments | | Brand Name | Kerasilk | | Customer Reviews | 4.5 4.5 out of 5 stars (66) | | Customer reviews | 4.5 4.5 out of 5 stars (66) | | Date First Available | 23 January 2024 | | Global Trade Identification Number | 00000042450726, 04021609860259 | | Hair Type | All | | Item Dimensions | 44 x 44 x 182 millimeters | | Item Form | Drop | | Item Weight | 0.9 Milligrams | | Item model number | 523500IE | | Liquid Volume | 90 Milliliters | | Manufacturer | Kao | | Manufacturer | Kao | | Manufacturer Part Number | 523500 | | Material Features | Natural | | Material Type Free | en_AE | | Model Number | 523500IE | | Number of Items | 1 | | Package Type Name | Bottle | | Product Benefits | Builds hydrogen and ionic bonds and fortifies weakened bonds inside the hair for deep hair regeneration | | Recommended Uses For Product | Personal | | Size | 90 ml (Pack of 1) | | Special Ingredients | Natural | | UPC | 000042450726 | | Unit Count | 90 Milliliters | ## Product Details - **Brand:** Kerasilk - **Hair type:** All - **Item form:** Drop - **Material features:** Natural ## Images ![Strengthening Bond Builder, 90ml - Image 1](https://m.media-amazon.com/images/I/516G+2KY1nL.jpg) ## Frequently Bought Together - Kerasilk Strengthening Bond Builder - KERASILK Liquid Cuticle Filler | Heat-Activated | Provides Long Lasting Hair Cuticle Protection | Rebuilds & Optimizes Hair Surface | With Heat Protection | For Stronger & Smoother Hair | 125ml - KERASILK Multi-Benefit Hair Oil | Seals Split Ends & Reduces Flyaways | Prevents Future Damage & Adds High Shine | With Heat Protection | For All Hair Types & Textures | 50ml --- ## 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.jp/products/660927743-strengthening-bond-builder-90ml](https://www.desertcart.jp/products/660927743-strengthening-bond-builder-90ml) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-16*