{"product_id":"nioxin-scalp-hair-thickening-treatment-for-color-treated-thinning-lightweight-leave-in-serum-uv-protectant","title":"NIOXIN Scalp \u0026 Hair Thickening Treatment for Color-Treated Thinning — Lightweight Leave-In Serum \u0026 UV Protectant","description":"\u003cp\u003e\u003cstrong\u003eNioxin System 4 Scalp + Hair Thickening Treatment is a leave-in serum formulated to strengthen, protect, and visibly thicken color-treated hair that shows progressed thinning.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lightweight topical treatment targets the scalp and hair shaft to help improve hair diameter and resilience while helping maintain color integrity. Designed as the finishing step in Nioxin's System 4 routine, the formula blends antioxidants, botanicals, and UV protectants with Nioxin’s Scalp Access Delivery technology to refresh the scalp environment and reduce breakage-related loss of visible hair. Use after cleansing and conditioning to lock in nourishment without weighing strands down.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the treatment thicken hair without adding heaviness?\u003c\/h3\u003e\n\u003cp\u003eThe serum contains polymers and botanical actives that coat and plump individual strands, increasing apparent diameter without leaving a greasy residue. Its leave-in format spreads evenly along the shaft and roots, preserving movement and volume.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight leave-in formula for non-greasy texture\u003c\/li\u003e\n  \u003cli\u003eCoating agents that enhance strand diameter\u003c\/li\u003e\n  \u003cli\u003eAbsorbs quickly to maintain natural bounce\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this protect color-treated hair and reduce breakage?\u003c\/h3\u003e\n\u003cp\u003eYes — the formula is tailored for color-treated, weakened hair and includes antioxidants plus UV-protective ingredients that help guard dyed strands. It also strengthens hair resilience to limit breakage that can make thinning more noticeable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIngredients that help shield hair color from environmental stress\u003c\/li\u003e\n  \u003cli\u003eStrengthening components to reduce snap and split ends\u003c\/li\u003e\n  \u003cli\u003eDesigned to integrate with color-care routines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use it within the System 4 routine?\u003c\/h3\u003e\n\u003cp\u003eApply the treatment as the final step after cleansing and conditioning with System 4 products. Dispense a small amount, focus on the scalp and root zone, then massage gently; do not rinse. Style as usual — the serum works while you wear it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse daily or as directed after shampoo and conditioner\u003c\/li\u003e\n  \u003cli\u003eMassage into scalp to ensure even delivery to follicles\u003c\/li\u003e\n  \u003cli\u003eLeave in for continuous protection and visible thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat immediate and ongoing benefits can I expect?\u003c\/h3\u003e\n\u003cp\u003eUsers typically notice improved fullness and smoother strand texture quickly from the volumizing action, while continued use supports a healthier scalp environment and reduced breakage over time. Visible changes in density and thickness can develop with consistent application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImmediate: enhanced strand diameter and fuller appearance\u003c\/li\u003e\n  \u003cli\u003eShort term: reduced breakage and improved manageability\u003c\/li\u003e\n  \u003cli\u003eLong term: healthier scalp conditions that support stronger hair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Nioxin System 4 Scalp + Hair Thickening Treatment suits people with color-treated hair that has progressed thinning or feels fragile. It’s created for anyone wanting to boost visible fullness while protecting dyed hair from environmental stressors and reducing hair breakage. If you follow a System 4 regimen or need a non-greasy, leave-in strengthening step for weakened, colored locks, this serum is formulated to integrate seamlessly into your daily styling routine.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAqua, Phenylbenzimidazole Sulfonic Acid, Niacinamide, Benzophenone-4, Caffeine, Polysorbate 20, Sodium Hydroxide, Benzyl Alcohol, Sodium Benzoate, Phenoxyethanol, PEG-12 Dimethicone, Citric Acid, Cocamidopropyl Betaine, Acetamide MEA, Isopropyl C12-15-Pareth-9 Carboxylate, Tetrasodium EDTA, Propylene Glycol, Methyl Nicotinate, Sodium Chloride, Parfum, Polysorbate 60, Polysorbate 80, Mentha Piperita Oil, Mentha Arvensis Leaf Oil, Menthol, PEG-23M, Camellia Sinensis Leaf Extract, Limonene, Cystine Bis-PG-Propyl Silanetriol, Biotin, Lecithin, Tocopheryl Acetate, Foeniculum Vulgare Fruit Extract, Silica, Faex Extract, Acer Saccharum Extract, Citrus Limon Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Citrus Aurantium Dulcis Fruit Extract, Potassium Sorbate\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: Can I use this on chemically treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s formulated for color-treated and chemically processed hair to help protect color and strengthen fragile strands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I apply the treatment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply as the final step after shampoo and conditioner daily or as directed for continuous scalp nourishment and visible thickening.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NIOXIN","offers":[{"title":"Default Title","offer_id":57794267414860,"sku":"B005F1IMFO","price":39.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/nioxin-system4-front-packaging_ebcff38a-a18b-447a-b053-ee65e6e554ba.jpg?v=1781477656","url":"https:\/\/belvera.co.uk\/products\/nioxin-scalp-hair-thickening-treatment-for-color-treated-thinning-lightweight-leave-in-serum-uv-protectant","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}