{"product_id":"just-for-men-shampoo-in-color-medium-dark-brown-h-40-5-minute-ammonia-free-gray-coverage-with-keratin","title":"Just for Men Shampoo-In Color — Medium-Dark Brown H-40, 5-Minute Ammonia-Free Gray Coverage with Keratin","description":"\u003cp\u003e\u003cstrong\u003eJust For Men Shampoo-In Color H-40 (Medium-Dark Brown) is a five-minute, ammonia-free shampoo-in hair color that targets gray hairs for a natural, longer-lasting result while conditioning with keratin, olive oil, and vitamin E.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis formula—formerly called the Original Formula—was developed to blend gray hairs with your natural shade rather than recoloring every strand. The shampoo-in application is built for speed and simplicity: mix, apply, wait five minutes, rinse. It’s designed to preserve subtle natural color variation while supporting hair strength and appearance with added conditioning ingredients.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product restore color so quickly?\u003c\/h3\u003e\n\u003cp\u003eThe Shampoo-In Color uses a targeted gray-coverage system that deposits pigment only where grays are present, so results appear natural and consistent with your original shade. The whole process is fast: mix the color base into the applicator bottle, shake, apply, leave for five minutes, then rinse. Because the pigment bonds where gray hair is, coverage looks subtle and integrated instead of uniformly dyed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFive-minute processing time for quick results\u003c\/li\u003e\n  \u003cli\u003eTargeted gray coverage to retain natural color variation\u003c\/li\u003e\n  \u003cli\u003eSimple mixing and applicator bottle for easy use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this damage my hair or change texture?\u003c\/h3\u003e\n\u003cp\u003eThis formula is ammonia-free and includes keratin, olive oil, and vitamin E to help support stronger-looking, fuller hair rather than strip it. While temporary changes in texture can occur with any hair coloring product, this version is formulated to minimize harsh chemical impact and leave hair feeling conditioned. Follow the included instructions and use the provided gloves to protect skin from staining.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAmmonia-free formula to reduce harsh chemical exposure\u003c\/li\u003e\n  \u003cli\u003eKeratin helps support hair strength and a smoother appearance\u003c\/li\u003e\n  \u003cli\u003eOlive oil and vitamin E add conditioning benefits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the color last and how often should I reapply?\u003c\/h3\u003e\n\u003cp\u003eColor from Shampoo-In Color does not wash out and lasts until new gray hair grows in. Most users find touch-ups are needed as grays regrow—typically every several weeks depending on hair growth rate. A single box offers up to three applications for spot coverage or multiple touch-ups, so plan product use based on the amount of gray you’re covering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePermanent coverage that lasts until gray hair regrows\u003c\/li\u003e\n  \u003cli\u003eUp to three applications per box for touch-ups or larger coverage\u003c\/li\u003e\n  \u003cli\u003eReapply when new gray hair becomes visible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich shade should I choose and how do I pick between two shades?\u003c\/h3\u003e\n\u003cp\u003eJust For Men offers 15 shades from sandy blond to jet black; Medium-Dark Brown (H-40) is a balanced darker brown suitable for many natural tones. If you’re unsure between two shades, start with the lighter option—you can always move darker later for a closer match. The targeted formula helps blend rather than produce an all-over solid color, making shade selection more forgiving.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e15 shade options to match natural tones\u003c\/li\u003e\n  \u003cli\u003eChoose lighter shade first when undecided\u003c\/li\u003e\n  \u003cli\u003eTargeted blending maintains natural highlights and lowlights\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Just For Men Shampoo-In Color H-40 is made for men who want a fast, low-effort solution to cover gray hairs while keeping a natural look and maintaining hair condition. It’s ideal for men who prefer a quick at-home regimen, those doing periodic touch-ups, or anyone who wants permanent gray coverage without the harshness of ammonia-based dyes. Always perform the enclosed 48-hour skin allergy test before use and follow package directions for best results.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Toluene-2,5-Diamine, m-Aminophenol, Ethanolamine, Keratin, Hydrolyzed Keratin, Olea Europaea (Olive) Fruit Oil, Tocopheryl Acetate, Cetearyl Alcohol, Resorcinol, Carbomer, Sodium Sulfite, Coco-Glucoside, Erythorbic Acid, N,N-Bis(2-Hydroxyethyl)-p-Phenylenediamine Sulfate, p-Aminophenol, Cetearyl Glucoside, Ceteth-10 Phosphate, Dicetyl Phosphate, Etidronic Acid, Fragrance. Color Developer: Water, Hydrogen Peroxide, Cetearyl Alcohol, Laureth-23, Ceteareth-20, Acrylates\/Steareth-20 Itaconate Copolymer, Steareth-2, Etidronic Acid, Disodium EDTA, Sodium Stannate.\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: How long does Just For Men Shampoo-In Color take to work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The color processes in five minutes; mix, apply, wait five minutes, then rinse for full gray coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product safe for my hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s ammonia-free and contains keratin, olive oil, and vitamin E to help condition hair, but perform the enclosed allergy test first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Just for Men","offers":[{"title":"Default Title","offer_id":58358758965635,"sku":"B001KYGVQ2","price":14.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/just-for-men-front-packaging-medium-dark-brown.jpg?v=1782757928","url":"https:\/\/origin-beauty.com\/products\/just-for-men-shampoo-in-color-medium-dark-brown-h-40-5-minute-ammonia-free-gray-coverage-with-keratin","provider":"Origin Beauty","version":"1.0","type":"link"}