{"product_id":"cosmtek-black-hair-dye-shampoo-for-gray-coverage-semi-permanent-black-argan-olive-oil-conditioning","title":"COSMTEK Black Hair Dye Shampoo for Gray Coverage — Semi‑Permanent Black, Argan \u0026 Olive Oil Conditioning","description":"\u003cp\u003e\u003cstrong\u003eCOSMTEK Black Hair Dye Shampoo is a color-depositing shampoo that gently darkens gray or light hair while conditioning with argan, olive oils, and turmeric.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for men and women who want a fast, low-commitment way to restore a natural black tone, this semi-permanent color shampoo deposits pigment with every wash and helps tame frizz. The updated formula avoids sulfates, ammonia, and preservatives and shows the full ingredient list so you know what you’re applying. It works on hair and facial hair, rinses out, and maintains color for several weeks with regular use.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I use this shampoo for the best gray coverage?\u003c\/h3\u003e\n\u003cp\u003eApply to wet hair like a regular shampoo for consistent color distribution; on dry hair it still deposits pigment but wet application typically gives more even results. Work the lather through roots to tips, leave for the recommended time, then rinse thoroughly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse quantity according to hair volume—more for thicker hair.\u003c\/li\u003e\n  \u003cli\u003eLeave 5–10 minutes for standard coverage; add 1–2 extra minutes for very thick hair.\u003c\/li\u003e\n  \u003cli\u003eRinse until water runs clear to avoid uneven color build-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits does the formula provide besides coloring?\u003c\/h3\u003e\n\u003cp\u003eBeyond depositing black pigment, the formula includes argan oil, olive oil and turmeric to help smooth hair, reduce frizz, and add a subtle shine. Because it’s semi-permanent and free from ammonia and sulfates, it’s less aggressive than many permanent dyes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoothing agents reduce flyaways and improve manageability.\u003c\/li\u003e\n  \u003cli\u003eNon-ammonia blend minimizes harsh chemical exposure.\u003c\/li\u003e\n  \u003cli\u003eFull ingredient table available for transparency and safer choices.\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\u003eOne application typically keeps hair visibly darker for about 4–5 weeks depending on hair porosity and washing frequency. For those wanting to maintain a steady black shade, reapplying approximately every 15 days helps sustain intensity and shine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExpect gradual fade with regular shampooing; color is semi-permanent.\u003c\/li\u003e\n  \u003cli\u003eReapply every 2 weeks for consistent depth and gloss.\u003c\/li\u003e\n  \u003cli\u003eUse color-safe or gentle shampoos to prolong results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs there any safety guidance I should follow before using it?\u003c\/h3\u003e\n\u003cp\u003ePerform an allergy patch test behind the ear 24 hours before full use. If no irritation appears, proceed; discontinue if you experience adverse reactions. The product is formulated to reduce harshness but skin sensitivity varies.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatch test 24 hours prior to full application.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with eyes; rinse thoroughly if contact occurs.\u003c\/li\u003e\n  \u003cli\u003eStore in a cool, dry place and keep out of children’s reach.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: COSMTEK Black Hair Dye Shampoo suits anyone seeking an easy, nonpermanent way to darken gray, light-brown, or white hair without a full-color salon visit. It’s ideal for busy people who want quick coverage and improved hair manageability, and for those preferring a formula without ammonia or sulfates. If you want to darken a beard, refresh roots between color treatments, or try a temporary change with added conditioning, this product is built for convenient at-home use.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eArgan Oil,Olive Oil,Turmeric\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: Can I use this on a beard?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. COSMTEK shampoo darkens facial hair—apply like shampoo, leave 5–10 minutes, then rinse. Perform a patch test first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How soon will gray hair cover after one use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most users see noticeable darkening after one application; fullness depends on hair porosity and leave-on time.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COSMTEK","offers":[{"title":"Default Title","offer_id":67551055544490,"sku":"B0BC1SPT9V","price":63.15,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/8989\/6874\/files\/cosmtek-front-package-black-hair-dye-shampoo.jpg?v=1790849051","url":"https:\/\/opulora.ca\/products\/cosmtek-black-hair-dye-shampoo-for-gray-coverage-semi-permanent-black-argan-olive-oil-conditioning","provider":"OPULORA","version":"1.0","type":"link"}