{"product_id":"rainbow-research-persian-dark-brown-henna-hair-color-4-oz-2-pack-plant-based-glossy-natural-coverage","title":"Rainbow Research Persian Dark Brown Henna Hair Color 4 oz (2-Pack) — Plant-Based, Glossy Natural Coverage","description":"\u003cp\u003e\u003cstrong\u003eRainbow Henna Persian Dark Brown is a plant-based hair color that delivers rich, natural-looking dark brown tones in a convenient 4 oz two-pack.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMade for people who want deeper brown shade coverage without synthetic peroxide-based systems, this Persian Dark Brown formula from Rainbow Research uses herbal extracts to tint hair with a glossy, multi-dimensional finish. The two-pack includes two 4 oz sachets—ideal for single long-hair applications or two shorter sessions—so you can try the shade, refresh roots, or share with a friend. Below are focused answers to common buyer questions to help you decide if this henna hair color fits your routine.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this henna dye perform on different hair types?\u003c\/h3\u003e\n\u003cp\u003eThe Persian Dark Brown formula works on a wide range of hair textures, from fine to coarse, adding depth and color saturation rather than bleaching or lightening. Results vary based on your starting shade: lighter hair will pick up warmer brown tones, while darker hair gains subtle sheen and richness. Expect a gradual, natural-looking transformation rather than a dramatic lift in level.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuits fine, medium, and coarse hair textures\u003c\/li\u003e\n  \u003cli\u003eBest for color-depositing—won’t lighten natural hair\u003c\/li\u003e\n  \u003cli\u003eEnhances brown and dark shades with multi-dimensional gloss\u003c\/li\u003e\n  \u003cli\u003eTwo 4 oz packets cover short to medium hair or one full long-hair application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about preparation and application?\u003c\/h3\u003e\n\u003cp\u003ePreparation is straightforward: mix the powder into a paste following the packet instructions, apply to dry hair, and let it process for the recommended time. Wear gloves, protect clothing and surfaces, and perform a patch or strand test first to preview shade and allergy sensitivity. Processing time and exact shade depth depend on your hair’s porosity and base color.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMix to a smooth paste consistency with warm water\u003c\/li\u003e\n  \u003cli\u003eApply to dry hair using gloves and an applicator brush\u003c\/li\u003e\n  \u003cli\u003eProcess as directed—longer for deeper color intensity\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly until water runs clear; condition afterward\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the color last and how do I maintain it?\u003c\/h3\u003e\n\u003cp\u003eHenna-based dyes typically deposit color that fades gradually rather than stripping away; Persian Dark Brown can last from several weeks to a few months depending on washing frequency and hair care habits. Use color-safe or sulfate-free shampoos, cool water rinses, and limit heat styling to preserve vibrancy. Periodic touch-ups with the included second 4 oz packet will refresh roots or renew overall tone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColor longevity varies—expect weeks to months\u003c\/li\u003e\n  \u003cli\u003eUse gentle, color-friendly hair products to extend results\u003c\/li\u003e\n  \u003cli\u003eCooler water and fewer washes help maintain depth\u003c\/li\u003e\n  \u003cli\u003eSecond 4 oz packet useful for touch-up or split treatment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this product for? Rainbow Henna Persian Dark Brown in the 4 oz two-pack is aimed at anyone seeking a plant-derived hair tint to deepen or unify brown shades without chemical lightening. It’s a practical choice for first-time henna users who want a moderate amount for trial plus a spare packet for touch-ups, as well as for people with medium to dark natural hair who prefer a color that enhances shine and subtle dimension. If you need a dramatic color change on lightened hair or require precise salon-level color correction, consult a color professional before use.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eLawsonia Inermis (Red Henna), Indigofera (Black Henna)\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 Rainbow Henna Persian Dark Brown safe for color-treated hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It deposits color and generally works over previously dyed hair, but results vary. Do a strand test before full application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this henna lighten my hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This henna-based dye adds pigment and shine but does not lighten natural hair color.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rainbow Research","offers":[{"title":"Default Title","offer_id":67549030678698,"sku":"B001E0WH6K","price":56.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/8989\/6874\/files\/rainbow-henna-persian-dark-brown-front-packaging.jpg?v=1790813236","url":"https:\/\/opulora.ca\/products\/rainbow-research-persian-dark-brown-henna-hair-color-4-oz-2-pack-plant-based-glossy-natural-coverage","provider":"OPULORA","version":"1.0","type":"link"}