{"product_id":"gowwim-black-hair-dye-shampoo-plant-based-instant-grey-coverage-black5","title":"gowwim Black Hair Dye Shampoo – Plant-Based Instant Grey Coverage (Black5)","description":"\u003cp\u003egowwim Black Hair Dye Shampoo is a plant-based, semi-permanent color solution designed for busy individuals who want quick touch ups at home or while traveling. It aims to transform gray strands into a natural black tone with a healthy shine, delivered in one wash for a refreshed look that feels balanced in varied lighting.\u003c\/p\u003e\n\u003cp\u003eWhat makes this product appealing is its simple, no-mix approach. You apply it like regular shampoo, using gloves to keep hands clean, and rinse after the processing time that best fits your desired depth. The formula blends color with plant-based extracts, which may nourish hair while coloring, offering a gentle experience compared to harsher alternatives.\u003c\/p\u003e\n\u003cp\u003eAdjustable processing time lets you customize shade intensity from subtle to deep black. A shorter window around 15 minutes tends to yield a lighter, more natural outcome, while 20 minutes or more can deliver a richer tone. For stubborn gray fibers, extending to 25 minutes is supported, giving you flexibility in different hair textures and gray coverage needs.\u003c\/p\u003e\n\u003ch3\u003eConvenience, versatility, and lightweight care\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReady-to-use, no mixing required — a true one-step color and care routine\u003c\/li\u003e\n\u003cli\u003ePortable bottle designed for at-home use, travel, or quick touch ups between salon visits\u003c\/li\u003e\n\u003cli\u003eVibrant, fade-resistant color that maintains its look across multiple washes\u003c\/li\u003e\n\u003cli\u003eGentle on scalp and hair thanks to plant-based extracts and a mild formula\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho benefits from gowwim\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBusy individuals seeking a fast, at-home color refresh\u003c\/li\u003e\n\u003cli\u003eTravelers and commuters needing a compact, reliable touch up on the go\u003c\/li\u003e\n\u003cli\u003eAnyone preferring a simple, all-in-one color solution without messy mixing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use for best results\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePatch test 48 hours before use to check for sensitivities\u003c\/li\u003e\n\u003cli\u003eWear gloves during application to avoid staining hands\u003c\/li\u003e\n\u003cli\u003eApply to dry or slightly damp hair and massage evenly from roots to tips\u003c\/li\u003e\n\u003cli\u003eLeave 15–20 minutes for standard shade; 20–25 minutes for deeper black\u003c\/li\u003e\n\u003cli\u003eRinse thoroughly until water runs clear and style as usual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Store in a cool, dry place away from direct sunlight and avoid contact with eyes. This product is for external use only and results may vary with hair type and washing frequency.\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: Is gowwim Black Hair Dye Shampoo permanent?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This is a semi-permanent color shampoo; results vary with washing frequency and hair type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I use gowwim Black Hair Dye Shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply to dry or slightly damp hair, wear gloves, lather, leave 15–20 minutes (20–25 for stubborn grays), then rinse.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"gowwim","offers":[{"title":"Default Title","offer_id":63261317169501,"sku":"B0FSYFVYM5","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/4345\/5581\/files\/gowwim-black-hair-dye-shampoo-bottle.jpg?v=1769979064","url":"https:\/\/britishharmonia.co.uk\/products\/gowwim-black-hair-dye-shampoo-plant-based-instant-grey-coverage-black5","provider":"British Harmonia | Natural Makeup \u0026 Fragrance by British Harmonia UK","version":"1.0","type":"link"}