{"product_id":"cosmtek-dark-brown-hair-dye-shampoo-ammonia-free-3-in-1-color-depositing-shampoo-500ml-for-gray-coverage","title":"COSMTEK Dark Brown Hair Dye Shampoo – Ammonia-Free, 3-in-1 Color Depositing Shampoo, 500ml for Gray Coverage","description":"\u003cdiv\u003e\n  \u003ch2\u003eCOSMTEK Dark Brown Hair Dye Shampoo: Color, Care, and Convenience in One Step\u003c\/h2\u003e\n  \u003cp\u003eCOSMTEK’s color-depositing shampoo is designed to refresh shade, quietly blend gray roots, and nourish hair in a simple, at-home routine. The result is a natural dark brown tone that can complement a wide range of base colors for both men and women, with a low-effort process you can fit into your day.\u003c\/p\u003e\n\n  \u003ch3\u003eWhat makes this 3-in-1 formula stand out\u003c\/h3\u003e\n  \u003cp\u003eThe upgraded formula is free from preservatives, sulfates, and ammonia, offering a gentler approach to color and cleansing. You can review the full formula table on the product page for transparency and peace of mind.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eAmmonia-free and sulfate-free for a gentler feel on the scalp.\u003c\/li\u003e\n    \u003cli\u003ePreservative-free components reduce harsher additives while maintaining color performance.\u003c\/li\u003e\n    \u003cli\u003eEnriched with Argan Oil, Olive Oil, and Turmeric to help hair feel smoother and less frizzy after use.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eHow it works and how long it lasts\u003c\/h3\u003e\n  \u003cp\u003eApply the color shampoo to wet hair like a regular wash. Leave on for 15–20 minutes, then rinse completely to reveal a natural-looking dark brown shade. A single application can typically last 4–5 weeks, depending on hair type and washing frequency. For longer-lasting color, reapply about every 15 days.\u003c\/p\u003e\n\n  \u003ch3\u003eWho it’s for\u003c\/h3\u003e\n  \u003cp\u003eDesigned for both men and women who want quick gray hair coverage and seamless beard touch-ups. It works on white, gray, or light-brown tones and is suitable for color-treated hair seeking a refreshed look without heavy processing.\u003c\/p\u003e\n\n  \u003ch3\u003eReal-life usage and maintenance tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e500ml bottle provides multiple uses for ongoing color upkeep.\u003c\/li\u003e\n    \u003cli\u003eEasy at-home routine that fits into daily washing and grooming schedules.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eNote: This product deposits color and provides care in one step and may yield different results based on individual hair color and history.\u003c\/p\u003e\n\u003c\/div\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: Will COSMTEK Dark Brown Hair Dye Shampoo cover gray hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it deposits color to gray roots, blending with natural hair color; results vary by hair type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does the color last and how often should I reapply?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically 4–5 weeks per application; reapply about every 15 days to maintain shade.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSMTEK","offers":[{"title":"Default Title","offer_id":56234011033932,"sku":"B0BC1QQWN6","price":32.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/cosmtek-dark-brown-hair-dye-shampoo-packaging.jpg?v=1765733098","url":"https:\/\/belvera.co.uk\/products\/cosmtek-dark-brown-hair-dye-shampoo-ammonia-free-3-in-1-color-depositing-shampoo-500ml-for-gray-coverage","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}