{"product_id":"cosmtek-dark-brown-hair-dye-shampoo-for-gray-hair-3-in-1-semi-permanent-color-17-6-oz","title":"COSMTEK Dark Brown Hair Dye Shampoo for Gray Hair – 3-in-1 Semi-Permanent Color, 17.6 Fl Oz","description":"\u003ch2\u003eOne-step color, cleanse, and care\u003c\/h2\u003e\n\u003cp\u003eCOSMTEK Dark Brown Hair Dye Shampoo combines pigment with a conditioning base to refresh gray hair while nourishing strands from the inside out. The result is a natural, dark brown shade paired with a soft, manageable feel that you can notice as you style.\u003c\/p\u003e\n\u003cp\u003eThe formula is designed for pragmatic, at-home use with a quick turnaround: color develops in as little as 15–20 minutes and can last about 2–3 weeks, depending on washing frequency and hair type. Expect a gradual fade as hair grows, rather than abrupt color loss, so you can plan touch-ups around your routine.\u003c\/p\u003e\n\u003ch3\u003eColor and care in one routine\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-in-1 formula: functions as a dye, shampoo, and conditioner for a streamlined color refresh.\u003c\/li\u003e\n  \u003cli\u003eAmmonia- and parabens-free: a gentler alternative to traditional hair dyes with fewer harsh chemicals.\u003c\/li\u003e\n  \u003cli\u003eGenerous 17.6 fl oz bottle: delivers multiple applications, supporting regular color maintenance without frequent repurchases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use at home\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNo bowl or brush needed: wear the included gloves, apply the shampoo, and massage through the hair.\u003c\/li\u003e\n  \u003cli\u003eLet it sit for 15–20 minutes, then rinse well to reveal the refreshed shade.\u003c\/li\u003e\n  \u003cli\u003eSuitable for all hair textures—thick, fine, straight, and curly alike—so you can color with confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal-life scenarios include busy professionals seeking a quick color touch-up before the day starts, travelers needing a compact, all-in-one solution, and anyone who prefers a low-commitment routine without salon visits. The herbal blend adds a pleasant, calming scent during application and a conditioning feel afterward, helping hair look and feel healthier between color sessions.\u003c\/p\u003e\n\u003cp\u003eWarm reminder: perform a skin test before first use to check sensitivity and ensure a safe at-home coloring experience.\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: How long does COSMTEK Dark Brown Hair Dye Shampoo color last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically 2–3 weeks, depending on wash frequency and hair type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can COSMTEK cover gray hair and is the formula safe?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The formula is ammonia- and paraben-free and designed to help cover gray hair for most hair types.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSMTEK","offers":[{"title":"Default Title","offer_id":56233931243852,"sku":"B0B424M8M2","price":31.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/cosmtek-dark-brown-hair-dye-shampoo-bottle-gloves.jpg?v=1765730921","url":"https:\/\/belvera.co.uk\/products\/cosmtek-dark-brown-hair-dye-shampoo-for-gray-hair-3-in-1-semi-permanent-color-17-6-oz","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}