{"product_id":"hoegoa-4-in-1-black-hair-dye-shampoo-herbal-grey-coverage","title":"HOEGOA 4-in-1 Black Hair Dye Shampoo – Herbal Grey Coverage","description":"\u003cp\u003eTransform white and grey hair into rich, jet-black locks with every wash. The \u003cstrong\u003eHOEGOA 4-in-1 Black Hair Dye Shampoo\u003c\/strong\u003e is a convenient, all-in-one formula that colours, cleanses, conditions, and nourishes your hair in a single step — making it the smarter alternative to traditional hair dye kits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis statement has 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\u003e4-in-1 Formula:\u003c\/strong\u003e Dyes, shampoos, conditions, and nourishes all at once — saving you time and money.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Grey Coverage:\u003c\/strong\u003e Effectively darkens white and grey hair — including beards and moustaches — for a naturally youthful appearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNatural Plant Ingredients:\u003c\/strong\u003e Infused with herbal botanicals that gently nourish the scalp and strengthen each strand without harsh chemicals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeeply Moisturising:\u003c\/strong\u003e Leaves hair feeling soft, silky, and visibly shiny after every use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnisex Formula:\u003c\/strong\u003e Suitable for all hair types — works equally well for men and women, including beard and moustache coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCPNP Certified:\u003c\/strong\u003e Meets European cosmetic product notification standards for your peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-Year Shelf Life:\u003c\/strong\u003e Long-lasting formula — store in a cool, dry place for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e HOEGOA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Volume:\u003c\/strong\u003e 100ml\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\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CPNP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 36 months\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eWet your hair thoroughly with warm water.\u003c\/li\u003e\n  \u003cli\u003eDispense an appropriate amount of shampoo and apply evenly to the scalp and hair, working into a rich lather.\u003c\/li\u003e\n  \u003cli\u003eMassage gently into the hair roots and scalp for \u003cstrong\u003e2–3 minutes\u003c\/strong\u003e to allow the colour to develop.\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly with water and style as usual.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cem\u003eFor best results, use regularly. Results may deepen with repeated applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × HOEGOA 4-in-1 Black Hair Dye Shampoo (100ml)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products You May Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-3ml-0-5ml-ampoule-head-cartridge-hyaluron-pen-skin-care\"\u003e0.3ml \u0026amp; 0.5ml Hyaluron Pen Ampoule Head Cartridge | Skin Care\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/temporary-tattoo-markers-dual-end-10-colors-body-face-paint-pens\"\u003e10 Dual-End Temporary Tattoo Markers – Body \u0026amp; Face Paint Pens\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on hair care and scalp health, visit the American Academy of Dermatology or explore hair health resources at \u003ca href=\"https:\/\/medlineplus.gov\/hairproblems.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eMedlinePlus – Hair Problems\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How quickly will I see results with the HOEGOA 4-in-1 Black Hair Dye Shampoo?\u003c\/h4\u003e\n\u003cp\u003eA: Many users notice visible darkening of grey and white hair after the first 2–3 uses. For deeper, more consistent colour coverage, regular use over 1–2 weeks is recommended, as the natural herbal formula builds results gradually with each application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this shampoo be used on beards and moustaches?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The HOEGOA 4-in-1 formula is designed for use on both scalp hair and facial hair, including beards and moustaches. Simply apply a small amount, lather for 2–3 minutes, then rinse thoroughly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this product safe for all hair types?\u003c\/h4\u003e\n\u003cp\u003eA: The shampoo is formulated with natural plant-based ingredients and is suitable for all hair types — straight, wavy, curly, and coily. It contains no high-concern chemicals and is CPNP certified. If you have a sensitive scalp, we recommend a patch test 24 hours before first use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does this compare to traditional box hair dyes?\u003c\/h4\u003e\n\u003cp\u003eA: Unlike traditional hair dyes that require mixing, gloves, and long processing times, this 4-in-1 shampoo integrates seamlessly into your normal shower routine. It is more convenient, more affordable per use, and gentler on hair thanks to its herbal ingredient base.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How quickly will I see results with the HOEGOA 4-in-1 Black Hair Dye Shampoo?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Many users notice visible darkening of grey and white hair after the first 2–3 uses. For deeper, more consistent colour coverage, regular use over 1–2 weeks is recommended, as the natural herbal formula builds results gradually with each application.\"}}, {\"@type\": \"Question\", \"name\": \"Can this shampoo be used on beards and moustaches?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The HOEGOA 4-in-1 formula is designed for use on both scalp hair and facial hair, including beards and moustaches. Simply apply a small amount, lather for 2–3 minutes, then rinse thoroughly.\"}}, {\"@type\": \"Question\", \"name\": \"Is this product safe for all hair types?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The shampoo is formulated with natural plant-based ingredients and is suitable for all hair types — straight, wavy, curly, and coily. It contains no high-concern chemicals and is CPNP certified. 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