{"product_id":"sevich-hair-building-fiber-40g-keratin-thickening-powder-spray","title":"Sevich 40g Hair Building Fiber \u0026 Spray – Keratin Thickening Powder","description":"\n\u003cp\u003eAchieve visibly fuller, thicker-looking hair in seconds with the \u003cstrong\u003eSevich Hair Building Fiber\u003c\/strong\u003e. This 40g keratin-based thickening powder instantly bonds to existing strands, creating the appearance of denser, more voluminous hair — suitable for all hair types and both men and women.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstant Fuller Look:\u003c\/strong\u003e Micro-sized keratin fibers cling to hair strands, dramatically boosting the appearance of volume and density.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNatural Keratin Formula:\u003c\/strong\u003e Made with keratin — the same protein your hair is naturally composed of — for a seamless, realistic finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnisex Design:\u003c\/strong\u003e Works for all genders and all hair types, whether straight, wavy, curly, or coily.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpray Applicator Included:\u003c\/strong\u003e The dense hair spray applicator ensures even, precise distribution across thinning areas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Coverage:\u003c\/strong\u003e Stays put through everyday activities until you're ready to wash it out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous 40g Size:\u003c\/strong\u003e A full 40g of product means lasting use — combo pack of 2 pieces included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCPNP Certified:\u003c\/strong\u003e Cosmetic Product Notification Portal certified for your confidence and peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18-Month Shelf Life:\u003c\/strong\u003e Period after opening: 18 months.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sevich\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 40g per bottle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pieces per set\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey Ingredient:\u003c\/strong\u003e Keratin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHair Type:\u003c\/strong\u003e All hair types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Unisex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CPNP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeriod After Opening:\u003c\/strong\u003e 18 months\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eStyle your hair as usual before application.\u003c\/li\u003e\n  \u003cli\u003eShake or spray the hair building fiber directly onto the thinning area.\u003c\/li\u003e\n  \u003cli\u003eGently pat or use the applicator to blend the fibers into your existing hair.\u003c\/li\u003e\n  \u003cli\u003eFinish with your preferred hairspray to lock in the look.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e — support your hair and body from within with premium collagen.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/womens-loose-turtleneck-knit-pullover-sweater\"\u003eWomen's Loose Turtleneck Knit Pullover Sweater\u003c\/a\u003e — complete your look with cozy, stylish knitwear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.health.harvard.edu\/staying-healthy\/treating-female-pattern-hair-loss\" target=\"_blank\" rel=\"noopener\"\u003eHarvard Health on hair loss\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What are Sevich Hair Building Fibers made of?\u003c\/h4\u003e\n\u003cp\u003eA: Sevich Hair Building Fibers are made from keratin — the same natural protein your hair is composed of. The micro-fibers bind to existing hair strands using static electricity, creating a natural, full-looking appearance that blends seamlessly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the Sevich Hair Building Fiber suitable for all hair types and colors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This product is designed for all hair types (straight, wavy, curly, and coily) and is available in multiple shades to match various hair colors. It is also unisex, making it ideal for both men and women.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the coverage last, and how do I remove it?\u003c\/h4\u003e\n\u003cp\u003eA: The fibers provide long-lasting coverage throughout the day and are resistant to light wind and movement. They wash out easily with your regular shampoo during your next wash.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in this set?\u003c\/h4\u003e\n\u003cp\u003eA: Each set includes 2 pieces — the 40g hair building fiber powder and a dense hair spray applicator for precise, even application.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What are Sevich Hair Building Fibers made of?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sevich Hair Building Fibers are made from keratin — the same natural protein your hair is composed of. The micro-fibers bind to existing hair strands using static electricity, creating a natural, full-looking appearance that blends seamlessly.\"}}, {\"@type\": \"Question\", \"name\": \"Is the Sevich Hair Building Fiber suitable for all hair types and colors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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