{"title":"Natural Indigo","description":"\u003cp\u003eNatural indigo is the classic plant blue, extracted from \u003cem\u003eIndigofera tinctoria\u003c\/em\u003e leaves. Unlike most natural dyes, indigo needs no mordant: it is reduced in an alkaline vat, the fiber is dipped, and the color develops as it oxidizes in the air. Our \u003ca href=\"\/en-se\/products\/natural-indigo-extract\"\u003enatural indigo extract\u003c\/a\u003e and \u003ca href=\"\/en-se\/products\/fructose-indigo-vat\"\u003efructose powder\u003c\/a\u003e are everything you need, together with \u003ca href=\"\/en-se\/products\/soda-ash-sodium-carbonate\"\u003esoda ash\u003c\/a\u003e or lime, for a fruit-sugar indigo vat.\u003c\/p\u003e\n\u003ch2\u003eHow the fructose indigo vat works\u003c\/h2\u003e\n\u003cp\u003eIn a fructose vat, sugar reduces the indigo and an alkali raises the pH. The vat is gentle, non-toxic and can be kept going for months with small additions. Dip your scoured, wet fiber slowly, let it oxidize from green to blue, and repeat for deeper shades.\u003c\/p\u003e\n\u003ch2\u003eShades and combinations\u003c\/h2\u003e\n\u003cp\u003eShort dips give pale sky blue; many dips build navy. Overdye indigo with \u003ca href=\"\/en-se\/collections\/natural-yellow-dyes\"\u003eweld or buckthorn\u003c\/a\u003e for greens, or with \u003ca href=\"\/en-se\/collections\/natural-red-dyes\"\u003emadder\u003c\/a\u003e for purples. Indigo works on cotton, linen, wool and silk.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDo I need a mordant for indigo?\u003c\/h3\u003e\n\u003cp\u003eNo. Indigo is a vat dye and bonds by oxidation, so no mordant is needed.\u003c\/p\u003e\n\u003ch3\u003eHow much indigo do I need?\u003c\/h3\u003e\n\u003cp\u003eA small amount goes a long way: a few grams per liter of vat is a typical starting point, and the vat can dye many items.\u003c\/p\u003e\n\u003ch3\u003eIs natural indigo the same as synthetic indigo?\u003c\/h3\u003e\n\u003cp\u003eThe blue molecule is the same, but natural indigo is made from plants and contains other plant compounds that give a softer, more varied blue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/en-se\/collections\/natural-blue-dyes\"\u003eNatural Blue Dyes\u003c\/a\u003e · \u003ca href=\"\/en-se\/collections\/dye-assists-and-modifiers\"\u003eDye Assists \u0026amp; Modifiers\u003c\/a\u003e\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need a mordant for indigo?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Indigo is a vat dye and bonds by oxidation, so no mordant is needed.\"}}, {\"@type\": \"Question\", \"name\": \"How much indigo do I need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A small amount goes a long way: a few grams per liter of vat is a typical starting point, and the vat can dye many items.\"}}, {\"@type\": \"Question\", \"name\": \"Is natural indigo the same as synthetic indigo?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The blue molecule is the same, but natural indigo is made from plants and contains other plant compounds that give a softer, more varied blue.\"}}]}\u003c\/script\u003e","products":[{"product_id":"natural-indigo-extract","title":"Natural Indigo Extract","description":"\u003cp\u003e\u003cstrong\u003eNatural indigo extract\u003c\/strong\u003e (\u003cem\u003eIndigofera tinctoria\u003c\/em\u003e) is sourced from India and prepared for reliable indigo vat dyeing. It produces deep, classic blues on natural fibers through reduction (vat) dyeing, and no mordant is required. It is ideal for studios and makers who want consistent results and repeatable shade building from light to dark.\u003c\/p\u003e\n\u003ch3\u003eQuick facts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndigotin (coloring content):\u003c\/strong\u003e approx. 40%, lab-tested at 40.03% ± 0.5% (certificate of analysis)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMordant:\u003c\/strong\u003e not required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 100 g (3.5 oz), 400 g (14.1 oz), 1 kg (2.2 lb)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat is indigo?\u003c\/h3\u003e\n\u003cp\u003eIndigo is a traditional blue dye obtained from the leaves of indigo plants. Unlike most natural dyes, indigo needs a \u003cstrong\u003ereduction vat\u003c\/strong\u003e to bond with fibers. This is what lets the dye attach and develop rich blue shades after oxidation.\u003c\/p\u003e\n\u003ch3\u003eDo you need a mordant for indigo?\u003c\/h3\u003e\n\u003cp\u003eNo. Indigo bonds through vat dyeing (reduction and oxidation) rather than through a typical mordant-dye-fiber bond.\u003c\/p\u003e\n\u003ch3\u003eIndigo vat guide and recipes\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/themazi.com\/blogs\/news\/indigo-vat-guide\"\u003eRead the full indigo vat guide\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eStart with the right fabric\u003c\/h3\u003e\n\u003cp\u003eTry indigo on our \u003ca href=\"\/en-se\/products\/undyed-cotton-fabric-for-natural-dyeing\"\u003eundyed cotton fabric\u003c\/a\u003e or our \u003ca href=\"\/en-se\/products\/undyed-cotton-socks-for-natural-dyeing\"\u003eundyed cotton socks\u003c\/a\u003e.\u003c\/p\u003e","brand":"themazi","offers":[{"title":"100 g (3.5 oz)","offer_id":37538702327965,"sku":"INDIGO100","price":20.0,"currency_code":"USD","in_stock":true},{"title":"400 g (14.1 oz)","offer_id":37538702360733,"sku":"INDIGO400","price":60.0,"currency_code":"USD","in_stock":true},{"title":"1 kg (2.2 lb)","offer_id":44350769103082,"sku":"INDIGO1KG","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/files\/natural-indigo-extract-themazi-pack.jpg?v=1770234561"},{"product_id":"fructose-indigo-vat","title":"Fructose Powder","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eFructose Powder is a simple sugar derived from a variety of plants and fruits. Fructose powder is used to make traditional indigo vats. The high alkalinity of fructose increases the absorption and vibrancy of color.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"themazi","offers":[{"title":"50gr | 1.76oz","offer_id":39976193851549,"sku":"Fructose50","price":4.0,"currency_code":"USD","in_stock":true},{"title":"400 gr","offer_id":43590016303338,"sku":"","price":22.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/products\/ScreenShot2021-05-20at12.40.12.png?v=1634314031"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/1990\/2109\/collections\/indigo-extract-shibori-dyed-fabric-results.jpg?v=1792531445","url":"https:\/\/themazi.com\/en-se\/collections\/natural-indigo.oembed","provider":"themazi","version":"1.0","type":"link"}