{"product_id":"cosmpro-dark-brown-hair-dye-shampoo-3-in-1-semi-permanent-gray-coverage-16-9-fl-oz","title":"Cosmpro Dark Brown Hair Dye Shampoo 3-in-1 – Semi-Permanent Gray Coverage, 16.9 fl oz","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eCosmpro Dark Brown Natural Hair Dye Shampoo 3-in-1 combines cleansing, color, and conditioning into a single step. This semi-permanent formula delivers a natural dark brown hue with gray coverage that typically lasts about 3 to 4 weeks, depending on hair type and wash frequency. The blend leverages gentle, natural ingredients to support hair fibers while imparting a subtle, healthy shine. The unisex design makes it a versatile addition to any routine.\u003c\/p\u003e\n\n\u003ch3\u003eWhy this 3-in-1 option stands out\u003c\/h3\u003e\n\u003cp\u003eDesigned for simplicity, the product requires no pre-mixing. The light, creamy lather coats each strand evenly and rinses away cleanly, leaving a refreshed color and a soft feel. A mild fragrance and comfortable texture add a touch of self-care to your routine, without heavy processing or downtime.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e100% gray coverage with a natural dark brown finish for a renewed look\u003c\/li\u003e\n  \u003cli\u003eGentle, plant-based formula featuring Polygonum multiflorum and ginseng\u003c\/li\u003e\n  \u003cli\u003eNo pre-mixing required; apply, wait 15–20 minutes, rinse for instant color\u003c\/li\u003e\n  \u003cli\u003eSoftens and nourishes while coloring, with a mess-free, skin-friendly application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use at home\u003c\/h3\u003e\n\u003cp\u003ePrepare a comfortable space, slip on gloves, and dampen hair. Massage a generous amount through the scalp to ends, creating a rich lather. Leave for 15–20 minutes, then rinse thoroughly and style as usual. The process is simple enough for busy mornings while delivering noticeable color depth.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eApply evenly from roots to ends for balanced gray coverage\u003c\/li\u003e\n  \u003cli\u003eRinse completely to reveal the color and shine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you can expect\u003c\/h3\u003e\n\u003cp\u003eUsers may notice a natural, long-lasting brown tone with a polished, healthy-looking shine. The formula aims to be easy to use, minimizing mess and reducing the need for additional tools. Results vary with washing frequency and hair condition, so you can adjust expectations accordingly.\u003c\/p\u003e\n\n\u003ch3\u003eWho it’s for\u003c\/h3\u003e\n\u003cp\u003eThis product suits anyone seeking a convenient at-home color option that blends with natural tones and adds vitality. It’s a fit for those who value a straightforward routine, unisex styling needs, and a color that fades gradually over several weeks.\u003c\/p\u003e\n\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 Cosmpro Dark Brown 3-in-1 Hair Dye Shampoo last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically about 3–4 weeks with regular washing, fading gradually.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need pre-mix or special tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—it's a 3-in-1 shampoo, no pre-mixing required; wear gloves, lather, apply, wait 15–20 minutes, then rinse.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"cosmpro","offers":[{"title":"Default Title","offer_id":63340483281245,"sku":"B0CGXHHH1D","price":34.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/4345\/5581\/files\/cosmpro-dark-brown-hair-dye-shampoo-3in1.jpg?v=1770486975","url":"https:\/\/britishharmonia.co.uk\/products\/cosmpro-dark-brown-hair-dye-shampoo-3-in-1-semi-permanent-gray-coverage-16-9-fl-oz","provider":"British Harmonia | Natural Makeup \u0026 Fragrance by British Harmonia UK","version":"1.0","type":"link"}