{"product_id":"cosmtek-dark-brown-hair-dye-shampoo-3-in-1-ammonia-free-gray-coverage-500ml","title":"COSMTEK Dark Brown Hair Dye Shampoo – 3-in-1, Ammonia-Free, Gray Coverage, 500ml","description":"\u003cp\u003eMeet COSMTEK Dark Brown Hair Dye Shampoo, a convenient color depositing cleanser designed for both men and women who want a natural-looking shade without harsh chemicals. This is more than a wash—it’s a lightweight maintenance tool that you can reach for during daily showers to refresh color and tone.\u003c\/p\u003e\u003cp\u003eWe’ve upgraded the formula to be free from preservatives, sulfates, and ammonia, aiming to deliver a gentler experience while depositing a visible, natural-looking shade. For full transparency, you can review the complete formula table in the product details. The result is a shampoo that cleanses while tinting, allowing you to blend roots between salon visits without a long commitment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAmmonia-free and sulfate-free formulation, reducing potential irritation and scalp dryness\u003c\/li\u003e\n\u003cli\u003eEnriched with Argan Oil, Olive Oil, and Turmeric to help smooth strands and ease frizz after color\u003c\/li\u003e\n\u003cli\u003eVersatile for white, gray, or light brown hair to reveal a Dark Brown tone in roughly 15 minutes\u003c\/li\u003e\n\u003cli\u003eSimple application: apply to wet hair like regular shampoo, leave for 15–20 minutes, then rinse to reveal a natural tint\u003c\/li\u003e\n\u003cli\u003eTypically lasts about 4–5 weeks per use; for ongoing depth, consider a 15-day maintenance schedule\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world uses that fit your routine\u003c\/h3\u003e\u003cp\u003eThink of it as a quick color touch-up between salon visits or a practical option for achieving gray coverage with minimal steps. The 500 ml bottle supports regular use and even small beard color touch-ups if desired, making it a flexible addition to your grooming routine.\u003c\/p\u003e\u003cp\u003eYou may notice a rich, even shade that feels light on the hair and offers a healthy-looking finish after rinsing. The deposit focuses on a natural appearance, enhancing your existing color rather than overpowering it.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGentle on the scalp due to its ammonia-free composition\u003c\/li\u003e\n\u003cli\u003eDark brown shade that complements a wide range of skin tones\u003c\/li\u003e\n\u003cli\u003eConvenient for color-treated hair maintenance without separate dyes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote that results vary with starting color and hair porosity. Adhering to the 15–20 minute processing window and a regular reapplication cadence can help maintain depth and shine over time.\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 this product a permanent dye?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—it's a color-depositing shampoo designed for temporary shading; expect color to fade over 4-5 weeks and reapply as needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Who can use COSMTEK Dark Brown Hair Dye Shampoo?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for men and women seeking gray coverage and color-treated hair, including beard areas.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSMTEK","offers":[{"title":"Default Title","offer_id":42597280350279,"sku":"B0BC1QQWN6","price":39.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/2537\/2231\/files\/cosmtek-dark-brown-hair-dye-shampoo-bottle.jpg?v=1773254005","url":"https:\/\/celaurabeauty.com\/products\/cosmtek-dark-brown-hair-dye-shampoo-3-in-1-ammonia-free-gray-coverage-500ml","provider":"Celaura Beauty | Premium Beauty, Skincare \u0026 Self-Care Essentials USA","version":"1.0","type":"link"}