{"product_id":"cosmpro-black-hair-dye-shampoo-color-depositing-gray-coverage-no-mix-20-25-min-application","title":"cosmpro Black Hair Dye Shampoo — Color-Depositing Gray Coverage, No-Mix 20–25 Min Application","description":"\u003cp\u003e\u003cstrong\u003ecosmpro Black Hair Dye Shampoo is an all-in-one color shampoo that conceals gray hairs and restores a natural black tone with an at-home, no-mix application.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis color-depositing shampoo is designed for men and women who want an easy, time-saving way to reduce visible grays without visiting a salon. The formula works like a regular shampoo but leaves pigment on the hair shaft to blend and cover gray strands. It requires only damp hair, gloves, a 20–25 minute wait, and a thorough rinse—no developer mixing, no brushes, and no complicated steps.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I see coverage after using this shampoo?\u003c\/h3\u003e\n\u003cp\u003eMost users notice a visible reduction of gray hairs after a single treatment, with fuller coverage appearing after a few repeated washes. Results vary by hair texture, porosity, and how light the grays are compared to your natural color.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFirst effects often visible after one 20–25 minute application.\u003c\/li\u003e\n  \u003cli\u003eImproved blending after 2–3 consecutive uses for stubborn grays.\u003c\/li\u003e\n  \u003cli\u003eWorks best on gray that contrasts moderately with natural black tones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the cosmpro shampoo difficult to apply at home?\u003c\/h3\u003e\n\u003cp\u003eApplication is straightforward and mimics your regular shampoo routine. Put on gloves, wet your hair, apply evenly to coat strands, lather gently, wait the recommended time, then rinse thoroughly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo pre-mixing or separate developer required.\u003c\/li\u003e\n  \u003cli\u003eApplies like ordinary shampoo—no brush or bowl needed.\u003c\/li\u003e\n  \u003cli\u003eSimple rinsing removes excess pigment while leaving color deposited on strands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this shampoo damage my hair or change its texture?\u003c\/h3\u003e\n\u003cp\u003eThe product is formulated to deposit color without the oxidative process salon dyes use, which reduces the risk of the drying chemical reactions common with permanent dyes. As with any hair product, individual responses vary, so follow directions and avoid overuse if your hair is already fragile.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNon-bleaching, deposit-only coloring avoids strong developers.\u003c\/li\u003e\n  \u003cli\u003eRecommended for regular hair care routines, not chemical-weakened hair.\u003c\/li\u003e\n  \u003cli\u003eUse a conditioning treatment if you notice slight dryness after multiple applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long does the color last and how do I maintain it?\u003c\/h3\u003e\n\u003cp\u003eColor longevity depends on your washing frequency, water hardness, and shampoo choice. The deposit washes out gradually; expect color to diminish over several shampoos, with maintenance applications every few weeks to retain intensity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFade occurs progressively—touch up every 1–3 weeks as needed.\u003c\/li\u003e\n  \u003cli\u003eUse sulfate-free cleansers to prolong pigment retention.\u003c\/li\u003e\n  \u003cli\u003eCooled or lukewarm water helps minimize faster fading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: cosmpro Black Hair Dye Shampoo is ideal for men and women who want a fast, fuss-free way to mask gray hairs and refresh a natural black tone without salon visits. It’s a practical choice for busy people, caregivers shopping for parents or grandparents, and anyone seeking a less technical, at-home approach to blending grays. Avoid using on hair that has recently undergone aggressive chemical treatments; when in doubt, test a small, inconspicuous section first.\u003c\/p\u003e\n\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003e1\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 do I leave cosmpro shampoo on my hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply to damp hair, lather, leave for 20–25 minutes, then rinse thoroughly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this on chemically treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use caution on recently processed hair; test a small strand first to check compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"cosmpro","offers":[{"title":"Default Title","offer_id":53431346200923,"sku":"B0CGXDYLGS","price":32.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/cosmpro-front-packaging-black-shampoo.jpg?v=1782267776","url":"https:\/\/remediesbeauty.co.uk\/products\/cosmpro-black-hair-dye-shampoo-color-depositing-gray-coverage-no-mix-20-25-min-application","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}