{"product_id":"buckthorn-bark-dye-organic","title":"BUCKTHORN BARK DYE ORGANIC","description":"\u003ch2\u003e\u003cstrong\u003eGlossy Buckthorn Bark Natural Dye\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eFrangula alnus Mill. · Wild-Collected in Bosnia · Cut Bark\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eGlossy buckthorn bark is a responsive natural dye capable of producing golden yellows, ochres and earthy greens, together with experimental pink and red shades under alkaline conditions.\u003c\/p\u003e\n\u003cp\u003eThe bark contains anthraquinone-type colourants. Its final colour varies considerably according to the fibre, mordant, water chemistry, pH and modifiers used.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAt a glance\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBotanical name:\u003c\/strong\u003e \u003cem\u003eFrangula alnus\u003c\/em\u003e Mill.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRecognised synonym:\u003c\/strong\u003e \u003cem\u003eRhamnus frangula\u003c\/em\u003e L.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlant part:\u003c\/strong\u003e Bark\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eForm:\u003c\/strong\u003e Dried cut bark\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCountry of collection:\u003c\/strong\u003e Bosnia\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCollection:\u003c\/strong\u003e Wild-collected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColours:\u003c\/strong\u003e Golden yellow, ochre, pink, coral, red, olive and green-brown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFibres:\u003c\/strong\u003e Wool, silk, cotton and linen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMordant:\u003c\/strong\u003e Recommended; use a fibre-appropriate method\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColour response:\u003c\/strong\u003e Highly dependent on pH and modifiers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColourfastness:\u003c\/strong\u003e Yellow and iron-modified shades are generally more stable; alkaline pinks and reds are less colourfast\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVegan:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eHow much to use\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFor a medium to strong shade, begin with:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e65 g glossy buckthorn bark per 100 g dry fibre\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEquivalent to \u003cstrong\u003e65% WOF - weight of dry fibre\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFor lighter shades, use a smaller quantity or work with a later exhaust bath.\u003c\/p\u003e\n\u003cp\u003eThese quantities are starting points only. Results vary according to the fibre, mordant, water chemistry, pH, dye quantity, temperature and processing time.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eColour possibilities\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003ePossible colours\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNeutral or mildly acidic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGolden yellow, ochre and yellow-brown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlkaline\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePink, coral, orange-red and red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIron modification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOlive, khaki, green-grey and green-brown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExhaust bath\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePaler yellow, peach and warm beige\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAlkaline pink and red shades are pH sensitive and may change during rinsing, washing or exposure to light.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBasic guide for wool\u003c\/strong\u003e\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrepare:\u003c\/strong\u003e Scour and mordant the wool with approximately 13% alum WOF, or follow your preferred wool-mordanting method.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSoak:\u003c\/strong\u003e Cover the bark with water and soak for approximately two days.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtract:\u003c\/strong\u003e Heat the bark and soaking liquid gently for approximately two hours.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStrain:\u003c\/strong\u003e Strain the liquid through a cloth. The bark may be placed in a dye bag and returned to the bath if desired.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDye:\u003c\/strong\u003e Add the thoroughly wetted wool and heat gently for approximately one hour.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCool:\u003c\/strong\u003e Allow the fibre to cool in the dye bath. Leave it longer if greater depth is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModify - optional:\u003c\/strong\u003e Divide the bath or remove a sample before making gradual iron or alkaline adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Rinse thoroughly, wash gently and dry away from strong, direct sunlight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eProtein and cellulose fibres require different preparation.\u003c\/p\u003e\n\u003cp\u003eDyeing cotton, linen or other cellulose fibres? \u003ca href=\"https:\/\/appleoakfibreworks.com\/blogs\/news\/tagged\/how-to-mordant-linen\"\u003eFind suitable mordanting methods here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCreating pinks and reds\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eRaising the dye bath towards approximately pH 10–11 can shift glossy buckthorn towards pink, coral and red.\u003c\/p\u003e\n\u003cp\u003eDissolve soda ash separately and add it gradually. Strong or prolonged alkalinity may damage wool and silk, so modify a small sample or use a separate brief afterbath.\u003c\/p\u003e\n\u003cp\u003eThese colours are less stable than the yellows and iron-modified shades and may fade or change over time.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eModifying with iron\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eIron can shift the yellow and ochre shades towards olive, khaki and deeper green-brown.\u003c\/p\u003e\n\u003cp\u003eDilute the iron before adding it and begin with approximately \u003cstrong\u003e1-3% WOF\u003c\/strong\u003e. Excessive iron may make fibres harsh or brittle.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eColourfastness\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eGolden-yellow, ochre and carefully iron-modified shades can provide useful, generally more stable results when properly prepared, dyed and finished.\u003c\/p\u003e\n\u003cp\u003eAlkaline pink and red shades have lower permanence and may fade or shift during washing, storage and exposure to light.\u003c\/p\u003e\n\u003cp\u003eSample and test when colourfastness is important.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eStorage and safe handling\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eStore sealed in a cool, dry place away from direct sunlight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor textile dyeing and craft use only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNot for consumption or use in food, drinks, cosmetics or herbal preparations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGlossy buckthorn bark naturally contains biologically active anthraquinone compounds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvoid creating or breathing dust.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrevent contact with eyes, mouth and open wounds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWear gloves and suitable protective equipment when handling dusty material.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFollow the safety instructions for all mordants, iron, alkalis and modifiers used.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse dedicated dyeing equipment - never food-preparation utensils.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep away from food and out of reach of children and pets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor textile dyeing and craft use only - not for consumption.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhat you receive\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eYour chosen net weight of dried, cut glossy buckthorn bark, wild-collected in Bosnia and supplied in a pouch.\u003c\/p\u003e\n\u003cp\u003eMordants, iron, soda ash and other dyeing supplies are sold separately.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWe pack as sustainably as we can while protecting your dye materials. Pouch types may vary according to pack size and the availability of our preferred lower-impact options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay jars are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eLearn with us\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eJoin \u003ca href=\"https:\/\/the-natural-dyers-academy.mn.co\/\"\u003e\u003cstrong\u003eThe Natural Dyers \u0026amp; Growers Academy\u003c\/strong\u003e\u003c\/a\u003e to share your results and explore natural colour alongside fellow dyers and dye-plant growers.\u003c\/p\u003e","brand":"AppleOak FibreWorks","offers":[{"title":"50g","offer_id":18771193069625,"sku":"812502","price":7.5,"currency_code":"EUR","in_stock":true},{"title":"75g","offer_id":18771193102393,"sku":"812502","price":7.95,"currency_code":"EUR","in_stock":true},{"title":"100g","offer_id":18771193135161,"sku":"812502","price":8.5,"currency_code":"EUR","in_stock":true},{"title":"250g","offer_id":49956410589520,"sku":"","price":11.95,"currency_code":"EUR","in_stock":true},{"title":"500g","offer_id":39325308813366,"sku":"","price":17.95,"currency_code":"EUR","in_stock":true},{"title":"1kg","offer_id":40261918818358,"sku":"","price":29.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0098\/2918\/7641\/files\/Buckthorn_bark.jpg?v=1790076111","url":"https:\/\/appleoakfibreworks.com\/products\/buckthorn-bark-dye-organic","provider":"AppleOak FibreWorks","version":"1.0","type":"link"}