{"product_id":"top-secret-hair-building-fiber-refills-undetectable-thickening-auburn-regular","title":"Top Secret Hair Building Fiber Refills – Undetectable Thickening (Auburn, Regular)","description":"\u003ch2\u003eRefresh and extend your Top Secret Hair Building Kit\u003c\/h2\u003e\u003cp\u003eUpgrade your look with a refill that preserves the trusted color and texture of your Hair Building Fiber Kit. This refill bottle delivers more fibers per jar, helping you maintain a fuller, natural appearance over time. Designed for ease, the refill works with the kit’s updated double patented Precision Applicator, so you can keep applying with precision without interruption.\u003c\/p\u003e\u003ch3\u003eNatural, undetectable fullness\u003c\/h3\u003e\u003cp\u003eThe keratin-based fibers blend with your real hair, creating a subtle, fuller look that helps reduce scalp visibility. Color-matched shades (including Auburn) are developed by a renowned hair expert to maintain a cohesive, natural appearance. The result is a refinement you can see and feel, without obvious signs of enhancement.\u003c\/p\u003e\u003ch3\u003eAll-day coverage for real-life conditions\u003c\/h3\u003e\u003cp\u003eThese fibers are formulated to stand up to wind, rain, and sweat, helping your style stay put throughout the day. They stay in place until you wash them out with your regular shampoo, offering a reliable option for busy days and active moments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeather and sweat resistance helps maintain fullness during daily activities.\u003c\/li\u003e\n\u003cli\u003eEasy, targeted application with the updated Precision Applicator for precise coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you’re preparing for a work presentation, a social event, or a workout, you can expect a fuller look that remains natural and comfortable.\u003c\/p\u003e\u003ch3\u003eWhat’s included and how it works\u003c\/h3\u003e\u003cp\u003eThis refill bottle extends the life of your kit while preserving the same high-quality fibers and application experience. The kit components are designed for convenience and portability, including a Precision Applicator with Protective Cap, a Sifter Top, a Travel Bag, a brochure, and a paper clip for quick setup on the go.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRefill bottle to extend your existing hair-building routine.\u003c\/li\u003e\n\u003cli\u003eWorks with the new double patented Precision Applicator for controlled coverage.\u003c\/li\u003e\n\u003cli\u003eIncludes Sifter Top, Travel Bag, brochure, and paper clip for easy travel and use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEthics, care, and suitability\u003c\/h3\u003e\u003cp\u003eTop Secret fibers are vegan, cruelty-free, paraben-free, and hypoallergenic, offering an approachable option for many users seeking a fuller look without compromise.\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: Is Top Secret Hair Building Fiber Refills compatible with other kits?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, they extend your existing Hair Building Fiber Kit and work with the Precision Applicator.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long do the fibers last and how are they removed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fibers stay in place through wind and sweat and wash out with one shampoo.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Top Secret","offers":[{"title":"Default Title","offer_id":63261697769821,"sku":"B075343GTL","price":39.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/4345\/5581\/files\/top-secret-hair-building-fiber-refill-packaging.jpg?v=1769980787","url":"https:\/\/britishharmonia.co.uk\/products\/top-secret-hair-building-fiber-refills-undetectable-thickening-auburn-regular","provider":"British Harmonia | Natural Makeup \u0026 Fragrance by British Harmonia UK","version":"1.0","type":"link"}