{"product_id":"nioxin-system-4-scalp-hair-shampoo-for-color-treated-damaged-hair-33-8-fl-oz-niacinamide-biotin-for-thicker-looking-hair","title":"NIOXIN System 4 Scalp + Hair Shampoo for Color‑Treated, Damaged Hair — 33.8 fl oz, Niacinamide \u0026 Biotin for Thicker‑Looking Hair","description":"\u003cstrong\u003eNioxin System 4 Scalp + Hair Shampoo is a professional-grade cleanser formulated to gently remove residue, protect color, and create the foundation for thicker, fuller-looking hair on color-treated, damaged scalps with progressed thinning.\u003c\/strong\u003e\n\n\u003cp\u003eDesigned as the first step in Nioxin's three-part regimen, System 4 Shampoo uses Pro-Color Shield and Activ Renewal technologies to lift sebum, fatty acids, and environmental buildup from hair and scalp while adding moisture to chemically treated strands. Clinical and dermatological testing supports its use for dry, damaged, color-treated hair that shows progressed thinning. Use daily with the matching conditioner and scalp treatment to optimize results.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this shampoo prepare my scalp for thicker-looking hair?\u003c\/h3\u003e\n\u003cp\u003eThe formula focuses on derma-purifying the scalp to create an environment that supports hair resilience and visible fullness. It removes pore-clogging residue that can interfere with hair structure and the action of follow-up products in the System 4 kit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Color Shield tech helps protect hair dyes during cleansing\u003c\/li\u003e\n  \u003cli\u003eActiv Renewal targets sebum, fatty acids, and environmental grime\u003c\/li\u003e\n  \u003cli\u003eDeep but gentle cleansing to avoid stripping fragile, color-treated strands\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product work on dry, chemically treated hair without fading color?\u003c\/h3\u003e\n\u003cp\u003eSystem 4 is formulated specifically for color-treated, chemically processed hair: it balances moisture with a cleansing action that aims to preserve color vibrancy. While individual results vary, the Pro-Color Shield component helps minimize color loss compared with standard clarifying shampoos.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMoisturizing agents help reduce brittleness from chemical services\u003c\/li\u003e\n  \u003cli\u003eColor-safe cleansing lowers the risk of accelerated fading\u003c\/li\u003e\n  \u003cli\u003eRecommended for daily or regular use as part of the System 4 regimen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly can I expect to notice thicker or fuller-looking hair?\u003c\/h3\u003e\n\u003cp\u003eVisible changes depend on usage consistency and the overall regimen, but Nioxin reports many users see a difference in hair fullness within about 30 days when using the full System 4 kit. The shampoo itself primes the scalp and hair to respond better to the conditioner and topical treatment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClinical reports show a majority of users notice thicker or fuller appearance\u003c\/li\u003e\n  \u003cli\u003eBest results observed when shampooing daily and following with System 4 conditioner and treatment\u003c\/li\u003e\n  \u003cli\u003eWorks to reduce breakage and improve hair resilience over weeks of use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use System 4 Shampoo for optimal results?\u003c\/h3\u003e\n\u003cp\u003eApply to thoroughly wet hair, massage gently into scalp and hair, lather for about a minute, then rinse completely; repeat if desired. Pairing this cleanser with Nioxin System 4 Scalp Therapy Conditioner and the Scalp \u0026amp; Hair Treatment enhances thickness and scalp health benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse on wet hair; massage into scalp for one minute before rinsing\u003c\/li\u003e\n  \u003cli\u003eFollow with System 4 conditioner and leave-in scalp treatment for best outcome\u003c\/li\u003e\n  \u003cli\u003eDaily application is recommended for consistent upkeep of scalp environment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Nioxin System 4 Scalp + Hair Shampoo is intended for people with dry, damaged, or color-treated hair experiencing progressed thinning who want a scientifically informed, salon-grade cleanser. It suits those seeking to protect hair color while improving scalp cleanliness and creating the basis for thicker-looking hair when used as part of Nioxin’s three-step System 4 routine.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAqua, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Citric Acid, Sodium Chloride, PPG-2 Hydroxyethyl Coco\/Isostearamide, Sodium Citrate, Sodium Xylenesulfonate, Sodium Benzoate, Salicylic Acid, Sodium Hydroxide, Tetrasodium EDTA, Mentha Piperita Oil, Mentha Arvensis Leaf Oil, Menthol, Trisodium Ethylenediamine Disuccinate, Methylparaben, Polyquaternium-10, Propylene Glycol, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Foeniculum Vulgare Fruit Extract, Sodium Acetate, Isopropyl Alcohol, CI 19140, Faex Extract, Acer Saccharum Extract, Citrus Limon Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, CI 42090, Citrus Aurantium Dulcis Fruit Extract, CI 17200, 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: Is Nioxin System 4 safe for colored hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. System 4 includes Pro-Color Shield technology designed to cleanse while protecting color-treated hair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use this shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: For best results use daily as the first step in the System 4 regimen, then follow with the conditioner and scalp treatment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NIOXIN","offers":[{"title":"Default Title","offer_id":58344641921411,"sku":"B001390336","price":53.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/nioxin-system-4-front-bottle.jpg?v=1782593560","url":"https:\/\/origin-beauty.com\/products\/nioxin-system-4-scalp-hair-shampoo-for-color-treated-damaged-hair-33-8-fl-oz-niacinamide-biotin-for-thicker-looking-hair","provider":"Origin Beauty","version":"1.0","type":"link"}