{"product_id":"rearoya-black-hair-dye-shampoo-natural-plant-formula-500ml","title":"REAROYA Black Hair Dye Shampoo – Natural Plant Formula 500ml","description":"\u003cp\u003eTransform gray or light hair into rich, glossy black in just one wash with the \u003cstrong\u003eREAROYA Black Hair Dye Shampoo\u003c\/strong\u003e. Powered by a blend of natural plant ingredients — including cowpox leaves, biological cactus, black sesame oil, and ginseng — this 3-in-1 formula colors, cleanses, and conditions your hair simultaneously. No separate dye kits, no messy salon visits — just beautiful, long-lasting black hair from the comfort of your shower.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlant-Powered Formula:\u003c\/strong\u003e Enriched with cowpox leaves, biological cactus, traditional herbal extracts, black sesame oil, and ginseng for a gentle, nourishing color experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-in-1 Action:\u003c\/strong\u003e Colors, washes, and conditions hair in a single step — saving you time and money compared to traditional dye kits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Scalp Staining:\u003c\/strong\u003e Advanced formula dyes hair strands without leaving pigment on your scalp.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Lasting Color:\u003c\/strong\u003e Just 15–25 minutes of processing time delivers deep, lasting black color with a healthy shine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNourishes While It Colors:\u003c\/strong\u003e Repairs damage and leaves hair feeling softer, smoother, and more manageable after every use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Free from harsh irritants — gentle enough for all hair types, suitable for both men and women.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e500ml \/ One Unit:\u003c\/strong\u003e A generous bottle that lasts through multiple applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eApply the shampoo evenly throughout dry or damp hair, ensuring full coverage.\u003c\/li\u003e\n  \u003cli\u003eLeave on for \u003cstrong\u003e15–25 minutes\u003c\/strong\u003e (extend time for thicker or coarser hair, or in cold weather).\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly with warm water.\u003c\/li\u003e\n  \u003cli\u003eFor best results, follow product instructions carefully and apply the formula evenly from root to tip.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eImportant Color Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHair previously dyed dark or treated with black oil may need to be lightened first before a new color can take effect.\u003c\/li\u003e\n  \u003cli\u003eBrown and burgundy shades are best suited for natural (undyed) dark hair and cannot cover white\/gray hair.\u003c\/li\u003e\n  \u003cli\u003eDark coffee and wine-red shades are designed specifically for gray or white hair — the more white hair you have, the more vibrant the result.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e REAROYA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 500ml\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 22.5 × 8.5 × 6 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHair Type:\u003c\/strong\u003e All hair types\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Unisex\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePair It With\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/bond-gloss-mask-repair-shine-dry-damaged-hair\"\u003eBond Gloss Mask – Repair \u0026amp; Shine for Dry, Damaged Hair\u003c\/a\u003e — perfect for maintaining color-treated hair between washes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/batana-oil-hair-growth-spray-anti-hair-loss\"\u003eBatana Oil Hair Growth Spray – Anti Hair Loss Treatment\u003c\/a\u003e — support healthy scalp and fuller-looking hair alongside your color routine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/womens-multivitamin-hair-skin-nails-immunity-energy-support\"\u003eBunkell Women's Multivitamin – Hair, Skin, Immunity \u0026amp; Energy\u003c\/a\u003e — nourish your hair from the inside out for even better color results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on hair dye safety and ingredients, visit the FDA's guide on hair dye products.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Human_hair_color\" target=\"_blank\" rel=\"noopener\"\u003eHuman hair color\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How long does the black hair dye shampoo color last?\u003c\/h4\u003e\n\u003cp\u003eA: With regular use, the REAROYA Black Hair Dye Shampoo delivers long-lasting black color. Results may vary based on hair type, porosity, and how often you wash your hair. Reapplying every few washes helps maintain color depth and vibrancy.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the black shampoo stain my scalp or skin?\u003c\/h4\u003e\n\u003cp\u003eA: This formula is specifically designed to color hair strands without staining the scalp. However, we recommend rinsing promptly after the processing time and applying a small amount of barrier cream around your hairline if you have sensitive skin.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this black hair dye shampoo safe for all hair types?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the REAROYA plant-based formula is suitable for all hair types and is free from high-concern chemicals, making it a gentler alternative to traditional chemical dyes. It is unisex and can be used by both men and women.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why didn't my hair color after using the shampoo?\u003c\/h4\u003e\n\u003cp\u003eA: Common reasons include uneven application, too short a processing time (especially in cold weather or with thick\/coarse hair), or internal mixing of the two reagents during transit. Always follow the included instructions carefully and ensure both components are dispensed evenly for best results.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How long does the black hair dye shampoo color last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"With regular use, the REAROYA Black Hair Dye Shampoo delivers long-lasting black color. Results may vary based on hair type, porosity, and how often you wash your hair. Reapplying every few washes helps maintain color depth and vibrancy.\"}}, {\"@type\": \"Question\", \"name\": \"Will the black shampoo stain my scalp or skin?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This formula is specifically designed to color hair strands without staining the scalp. However, we recommend rinsing promptly after the processing time and applying a small amount of barrier cream around your hairline if you have sensitive skin.\"}}, {\"@type\": \"Question\", \"name\": \"Is this black hair dye shampoo safe for all hair types?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the REAROYA plant-based formula is suitable for all hair types and is free from high-concern chemicals, making it a gentler alternative to traditional chemical dyes. It is unisex and can be used by both men and women.\"}}, {\"@type\": \"Question\", \"name\": \"Why didn't my hair color after using the shampoo?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Common reasons include uneven application, too short a processing time (especially in cold weather or with thick\/coarse hair), or internal mixing of the two reagents during transit. Always follow the included instructions carefully and ensure both components are dispensed evenly for best results.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Black","offer_id":47709690888297,"sku":"43:5244#Black","price":25.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S2fe52a191643494aa887a73908d16487K_04104b97-65be-4703-82b4-8b2f9a883837.webp?v=1782018967","url":"https:\/\/oasis-select.com\/products\/rearoya-black-hair-dye-shampoo-natural-plant-formula-500ml","provider":"Oasis Select","version":"1.0","type":"link"}