Wash off a couple of hours later and wait 48 hours. Henna will stain the skin red / red orange. You can tie an old piece of material (cotton or muslin), or some plastic wrap like cling film, around the arm to keep the paste in place. Pre-mix a small quantity of henna powder – about 5 gms (one teaspoon) – according to the instructions in the Renaissance Henna Natural Hair Dye Kit, and apply the paste to the inside of your arm or elbow crease. Very few people, if any, will experience allergy symptoms from pure henna, pure indigo, and pure cassia obovata but it’s best to test and to be safe.įirst time users are reminded to start out with the Renaissance Henna Natural hair Dye Kit which comes with a detailed instructions booklet for absolute beginners. Don’t assume that because something is “herbal”,“natural” or “organic” it means allergy free. Remember that even though these colour dyes come from plants, they could, potentially, cause allergic reactions as well. Although it’s true that all of these pure plant hair dye products are exceptionally safe to use – let’s face it, they’re a life saver compared to the chemical alternatives – the fact remains that we also have to acknowledge that in this day and age of allergies, allergic reactions, and haywire immune systems, a patch test is generally regarded as sensible for any product to check for allergies. Some people would say it’s ridiculous to even suggest a patch test for anything as natural as henna, indigo, and cassia obovata. Henna applied after the indigo blue green hair turns it back to henna orange brown Indigo straight on to grey hair or white hair turns it a blue green Maryams’ Grey Hair ( grey roots are showing through after previous henna / indigo applications) This is what happens, as demonstrated by Maryam : What happens if you indigo grey hair or white hair without using henna first ? You will find indigo is best used with henna for optimum results and spectacular hair colour. And if the grey hair looks bluish after using indigo ( rare, but it could happen if henna didn’t cover it properly), then just repeat the henna application followed by indigo again if you wish to get a darker hair colour shade.Īlways do a strand test and even if you like the idea of using indigo on its own, do experiment by using it after henna hair colour as well. If you’re aiming for brown or black hair colour on grey hair, make sure the hair is orange from your henna before using indigo. On dark hair colour it is generally considered safe to use indigo alone and it will darken the hair even more towards black hair colour. But if you want a blue or green hair colour shade, then go ahead and strand test. BLUE WILD INDIGO PLANT ( NOT INDIGOFERA TINCTORIA)ĭON’T use indigo alone on any light hair colour (blonde hair colour / ash hair colour ), including grey hair, as it will turn lighter hair colours blue. – USEFUL RESOURCE FOR LEARNING ABOUT INDIGO & WOAD The blue indigo has generally undergone some sort of change or treatment, or it comes from a different plant : Renaissance Henna indigo plant hair dye is purely the crushed leaves of the indigofera tinctoria plant and has nothing added to it, and it colours hair. Our indigo is not fermented, or “extracted”. You’ll see references in some of these links to indigo being fermented. Remember there is not just one type of indigo. Here are some links which tell you about all kinds of indigo, and about indigofera tinctoria. So, what are the other types of indigo ? And which ones are safe ? This is not a safe indigo plant hair dye to use. This method often results in purple crystals, not green powder and it is sold as “indigo”.īlue colour indigo powder is “vat indigo”, which means it has been fermented, and probably undergone an extraction process in which chemicals are used. If indigo is chemically extracted, as it is for use in fabric dyes, then other chemicals can contaminate it. The method of extraction, however, can be critical in assessing the safety if indigo plant hair dye.
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