{"product_id":"cosmtek-dark-brown-hair-dye-shampoo-semi-permanent-gray-coverage-17-6-fl-oz-conditioning-3-in-1","title":"COSMTEK Dark Brown Hair Dye Shampoo — Semi-Permanent Gray Coverage, 17.6 fl oz Conditioning 3-in-1","description":"\u003cp\u003e\u003cstrong\u003eCOSMTEK Dark Brown Hair Dye Shampoo is a semi-permanent, 3-in-1 coloring shampoo that covers gray hair and refreshes dark brown tones in about 15–20 minutes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis botanical-infused hair dye shampoo blends conditioning agents with color pigments to deliver an at-home dark brown shade without a bowl or brush. Designed for both women and men, the formula aims to deposit color, condition strands, and simplify application so you can touch up grays quickly. The product comes in a 17.6 fl oz bottle and includes gloves so one person can complete the process at home.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will COSMTEK dark brown shampoo color my gray hair?\u003c\/h3\u003e\n\n\u003cp\u003eThe dye shampoo begins to deposit color within 15–20 minutes of application. Processing time varies with hair porosity and the amount of gray to cover, but most users achieve a noticeable dark brown result in the stated window.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTypical processing: 15–20 minutes for visible dark brown tone\u003c\/li\u003e\n  \u003cli\u003eHeavily gray hair may require the full 20 minutes for strongest coverage\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly to reveal finished shade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the application complicated or do I need special tools?\u003c\/h3\u003e\n\n\u003cp\u003eApplication is simple and designed for at-home use — no mixing bowls or applicator brushes are needed. The bottle is applied like a concentrated shampoo; you massage it into wet hair while wearing the included gloves, leave it to work, then rinse.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo separate developer or mixing required\u003c\/li\u003e\n  \u003cli\u003eIncludes plastic gloves for clean application\u003c\/li\u003e\n  \u003cli\u003eWorks with straight, wavy, curly, fine, and thick hair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does the color last and will it fade quickly?\u003c\/h3\u003e\n\n\u003cp\u003eThis semi-permanent formula is formulated to last through multiple washes and is expected to maintain visible color for roughly 2–3 weeks, depending on hair care habits and wash frequency. Color gradually fades rather than growing out instantly, giving a natural transition until root reapplication is needed.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eExpected wear: about 2–3 weeks under normal washing\u003c\/li\u003e\n  \u003cli\u003eColor fades gradually instead of chipping off\u003c\/li\u003e\n  \u003cli\u003eUse color-safe shampoos and cool water to prolong shade\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this shampoo damage my hair or work with colored hair?\u003c\/h3\u003e\n\n\u003cp\u003eThe formula combines conditioning compounds and herbal extracts to help protect and soften hair while it deposits pigment. Because it is semi-permanent and conditioning-forward, it’s generally less aggressive than permanent dyes, but a skin patch test is recommended before first use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eContains conditioning agents to reduce dryness\u003c\/li\u003e\n  \u003cli\u003eSuitable for previously colored hair, but results vary\u003c\/li\u003e\n  \u003cli\u003eAlways perform a skin sensitivity test before applying\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: COSMTEK Dark Brown Hair Dye Shampoo is for anyone seeking a fast, at-home way to refresh dark brown hair or camouflage gray strands without permanent chemicals. It suits men and women with a range of hair textures who want an easy single-product routine—especially those who prefer low-fuss application, herbal-influenced ingredients, and a semi-permanent result that fades naturally over a few weeks.\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 should I leave COSMTEK dye shampoo on?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Leave it on for 15–20 minutes; fuller gray coverage may need the full 20 minutes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a skin test before using this product?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Perform a patch test before first use to check for sensitivity.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSMTEK","offers":[{"title":"Default Title","offer_id":53435537523035,"sku":"B0B424M8M2","price":28.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/cosmtek-front-packaging-dark-brown.jpg?v=1782315754","url":"https:\/\/remediesbeauty.co.uk\/products\/cosmtek-dark-brown-hair-dye-shampoo-semi-permanent-gray-coverage-17-6-fl-oz-conditioning-3-in-1","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}