How Long To Leave Hair Dye Patch Test
How Long To Leave Hair Dye Patch Test . Mchappypants yes it annoys me that i am somehow supposed to open up and mix enough hair dye for a skin and strand test in the right proportions and then keep the rest for after 48 hours when i actually do the deed, especially if the dye does not come in a resealable container. You should take a sample of the colouring tube, apply it on the skin (on the inside of the arm or behind the ear) and leave this sample during 48h. Patch Test: How To Identify Allergies And Skin-Safe Products from greatist.com I’ve had a hair colour before. But beware, if you have dark hair it could go a bit ginge. Rinse your hair thoroughly afterwards;