{"product_id":"nioxin-scalp-hair-thickening-treatment-system-4-6-8-fl-oz-for-color-treated-damaged-hair-lightweight-leave-in","title":"NIOXIN Scalp + Hair Thickening Treatment System 4 — 6.8 fl oz for Color‑Treated, Damaged Hair, Lightweight Leave‑In","description":"\u003cp\u003e\u003cstrong\u003eNIOXIN System 4 Scalp + Hair Thickening Treatment is a leave-in serum formulated to nourish the scalp and visibly increase hair diameter for color-treated or damaged hair with progressed thinning.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis professional-grade finish step completes the three-part NIOXIN System 4 regimen to help refresh the scalp and strengthen fragile strands. It combines antioxidants, botanicals and UV-protective ingredients in a lightweight delivery that targets the scalp environment while adding thickness and manageability to colored hair that has experienced thinning and damage.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this treatment improve the look of thinning, color-treated hair?\u003c\/h3\u003e\n\u003cp\u003eThe serum is designed to increase individual strand diameter and enhance the appearance of fullness without adding heavy residue. Applied to the scalp and lengths, it supports hair structure and helps reduce the visual impact of breakage and fragility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight leave-in formula that amplifies hair diameter and texture.\u003c\/li\u003e\n  \u003cli\u003eContains antioxidants and botanicals to nourish scalp and hair fibers.\u003c\/li\u003e\n  \u003cli\u003eIncludes UV-protection ingredients to help shield color-treated hair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat results can I expect and how quickly?\u003c\/h3\u003e\n\u003cp\u003eUsers typically notice improved fullness and thickness in the weeks after consistent use as part of the complete System 4 routine. NIOXIN reports consumer-observed increases in thickness, density and fullness when the treatment is used with the matching cleanser and conditioner.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisible textural improvement and thicker-feeling strands with regular use.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce breakage that contributes to the appearance of thinning.\u003c\/li\u003e\n  \u003cli\u003eDesigned for ongoing maintenance to preserve scalp condition and color vibrancy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use this product within the System 4 regimen?\u003c\/h3\u003e\n\u003cp\u003eUse this Scalp + Hair Thickening Treatment as the final step after cleansing with the System 4 Cleanser Shampoo and conditioning with the System 4 Scalp Therapy Conditioner. Apply directly to the scalp and hair while styling or as a leave-in refresher to target thinning areas and damaged lengths.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply to towel-dried or dry hair, targeting scalp and roots.\u003c\/li\u003e\n  \u003cli\u003eDistribute evenly through lengths where added body is needed.\u003c\/li\u003e\n  \u003cli\u003eDo not rinse out; style as usual for immediate texture and ongoing benefits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there ingredients or features important for colored and damaged hair?\u003c\/h3\u003e\n\u003cp\u003eThis treatment is tailored for colored, damaged hair with progressed thinning, focusing on scalp balance and strand protection. The formula integrates scalp-delivery technology plus UV-protective components to help defend color-treated fiber and support a healthier scalp surface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eScalp Access Delivery System 2.0 to reach the scalp and hair roots.\u003c\/li\u003e\n  \u003cli\u003eBotanicals and antioxidants that nourish and help protect hair structure.\u003c\/li\u003e\n  \u003cli\u003eUV-protection ingredients to help maintain color integrity and reduce environmental stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? NIOXIN System 4 Scalp + Hair Thickening Treatment is aimed at people with color-treated, chemically or heat-damaged hair who are experiencing progressed thinning and want a salon-strength leave-in to bolster hair diameter and scalp condition. It works best when paired with the full System 4 cleanser and conditioner and is suitable for regular use by those seeking a thicker, fuller look while protecting color-treated strands.\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 NIOXIN System 4 if my hair is color-treated?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This formula is specifically designed for colored hair with progressed thinning and includes UV-protective ingredients to help protect color.\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 Scalp + Hair Thickening Treatment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use as the final step after shampoo and conditioner on a regular basis; apply to scalp and lengths and leave in during styling.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NIOXIN","offers":[{"title":"Default Title","offer_id":51489323286761,"sku":"B0054Y0PMK","price":101.45,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/nioxin-system4-front-packaging.jpg?v=1783305561","url":"https:\/\/cervaaustralia.com\/products\/nioxin-scalp-hair-thickening-treatment-system-4-6-8-fl-oz-for-color-treated-damaged-hair-lightweight-leave-in","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}