{"title":"Black Hair Dye","description":"\u003ch2\u003eBold. Glossy. Unapologetically You.\u003c\/h2\u003e\r\nBlack hair is timeless — powerful, elegant, and effortlessly chic. Whether you crave an inky midnight shine or a soft, natural black with depth and dimension, Smart Beauty’s collection of black hair dyes lets you make a statement on your own terms. Our easy-to-use, cruelty-free, and vegan formulas deliver salon-quality results at home — no mess, no stress, just stunning shine and confidence in every strand.","products":[{"product_id":"pure-black-hair-dye-permanent-hair-colour","title":"Pure Black Hair Dye with Added Plex Hair Care Conditioner, Permanent Hair Colour","description":"\u003cp\u003eSmart Beauty pure black permanent hair dye kit for natural-looking black hair.\u003cbr\u003e\nOur black hair colour formulation contains Nio-Active technology which deeply penetrates the hair during the colouring process to prevent damage, leaving the hair soft, smooth, and shiny.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor full head application (Thick or hair longer than 20cm may need two packs)\u003c\/li\u003e\n\u003cli\u003e100% grey coverage and root regrowth up to 2.5cm, lasts up to 28 washes\u003c\/li\u003e\n\u003cli\u003eCruelty-Free\u003c\/li\u003e\n\u003cli\u003eSuitable for Vegans\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePure Black is not suitable for use on very light or bleached blonde hair without pre-pigmentation. Colour and length of duration will depend on porosity, length, fineness, and condition of hair, as well as any previous treatments.\u003cbr\u003e\nBox contains 50ml Colourant, 75ml developing lotion, gloves, and instructions. Smart Beauty products are made in the EU.\u003cbr\u003e\nOrder before 3 pm (excludes weekends) - for next-day delivery.\u003cbr\u003e\nNot available in UK high street stores, buy Online only. \u003ca href=\"https:\/\/www.youtube.com\/watch?v=m6swPCcX7YY\u0026amp;t=102s\" target=\"_blank\" rel=\"noopener\"\u003eHow to colour your hair at home\u003c\/a\u003e?\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1043\/6676\/8459\/files\/matallic-packing-uk-icons_large.png\" alt=\"Metallic icons\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Smart Beuaty Hair Dye","offers":[{"title":"Default Title","offer_id":57237997781323,"sku":null,"price":12.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/6676\/8459\/files\/smart-beauty-Pure-Black-1.1.webp?v=1778153371"},{"product_id":"sapphire-black-hair-dye-permanent-hair-colour","title":"Sapphire Black Hair Dye with Added Plex Hair Care Conditioner, Permanent Hair Colour","description":"\u003ch1\u003eTurn Heads with Deep, Permanent Black Sapphire Hair\u003c\/h1\u003e\n\u003cp\u003eDiscover \u003cstrong\u003eSmart Beauty Black Sapphire Hair Dye\u003c\/strong\u003e — a deep permanent black hair colour designed to deliver rich blue-black depth, exceptional shine, and salon-quality performance at home.\u003c\/p\u003e\n\u003cp\u003eWhether you want a full head transformation, a bold dark refresh, or elegant cool-toned depth, Black Sapphire creates an intense multidimensional finish that looks glossy, polished, and beautifully even.\u003c\/p\u003e\n\u003cp\u003ePerfect for anyone who wants statement dark hair colour without salon complexity.\u003c\/p\u003e\n\u003ch2\u003eWhy Customers Love Black Sapphire 💙🖤\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePermanent deep black colour with cool sapphire reflects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBrilliant shine and soft-touch finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrey blending coverage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in Plex technology that helps protect, rebuild and restore hair during colouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHelps maintain hair strength while colouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVegan formula\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCruelty-free\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMade in the UK\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEasy home application\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePowered by Plex Technology ✨\u003c\/h2\u003e\n\u003cp\u003eUnlike ordinary permanent hair dyes, Smart Beauty Black Sapphire includes Plex technology designed to support the hair while colouring.\u003c\/p\u003e\n\u003cp\u003ePlex works throughout the colouring process to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProtect the hair structure during colour development\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRebuild weakened bonds that can be stressed during colouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRestore softness, smoothness and shine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis means you can achieve rich sapphire-black colour while helping hair feel healthier, smoother and more resilient after colouring.\u003c\/p\u003e\n\u003ch2\u003eWho Is It Best For?\u003c\/h2\u003e\n\u003cp\u003eBlack Sapphire works beautifully if you want:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDeep black colour with cool blue reflects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA glossy dark finish with extra dimension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElegant fashion-led dark hair colour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA statement black shade with refined cool undertones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSuitable for most natural hair bases.\u003c\/p\u003e\n\u003ch2\u003eWhat Makes Smart Beauty Different?\u003c\/h2\u003e\n\u003cp\u003eUnlike standard box dyes, Smart Beauty focuses on complete colouring solutions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCarefully selected European ingredients\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in hair-protecting Plex care\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClear step-by-step guidance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable colour performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafe home colouring confidence\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYour colour result is designed to be achievable even if you are colouring at home for the first time.\u003c\/p\u003e\n\u003ch2\u003eExpected Colour Results\u003c\/h2\u003e\n\u003ch3\u003eOn Blonde Hair\u003c\/h3\u003e\n\u003cp\u003eDeep dramatic blue-black intensity\u003c\/p\u003e\n\u003ch3\u003eOn Light Brown Hair\u003c\/h3\u003e\n\u003cp\u003eRich black with visible sapphire depth\u003c\/p\u003e\n\u003ch3\u003eOn Dark Hair\u003c\/h3\u003e\n\u003cp\u003eSubtle cool sapphire reflects in light\u003c\/p\u003e\n\u003ch2\u003eHow to Apply\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePerform a patch test 48 hours before colouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eApply evenly to dry hair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLeave to develop following instructions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRinse thoroughly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllow Plex care to continue supporting softness and shine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePro Tips for Best Results ✨\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eApply evenly for full colour saturation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse sulphate-free shampoo to protect shine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvoid excessive heat immediately after colouring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain cool depth with colour-safe hair care\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for grey hair?\u003c\/strong\u003e\u003cbr\u003eIt blends grey beautifully while delivering deep dark coverage, though results vary depending on hair texture and grey percentage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does Black Sapphire last?\u003c\/strong\u003e\u003cbr\u003ePermanent colour remains rich for weeks, with cool reflects softening gradually over washes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow can I maintain the sapphire tone between applications?\u003c\/strong\u003e\u003cbr\u003eUsing colour-safe hair care helps preserve shine, cool depth and overall richness between colour applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it damage my hair?\u003c\/strong\u003e\u003cbr\u003eThe built-in Plex system helps protect, rebuild and restore hair during colouring for a gentler colouring experience.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it over previously coloured hair?\u003c\/strong\u003e\u003cbr\u003eYes, but final results depend on your current colour base.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Smart Beuaty Hair Dye","offers":[{"title":"Default Title","offer_id":57237999681867,"sku":"SB 1519","price":12.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/6676\/8459\/files\/smart-beauty-hair-dye-sapphire-blue-black-11.webp?v=1778153395"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/6676\/8459\/collections\/smart-beauty-hair-dye-sapphire-blue-black-11.webp?v=1778153117","url":"https:\/\/smartbeauty.us\/collections\/black-hair-dye.oembed","provider":"Smart Beuaty Hair Dye","version":"1.0","type":"link"}