This is Mary Bates, a 16-year-old from St Albans, Hertfordshire, U.K. Swns.com / SWNS.com Here she is on her way to prom, where she picked up the title of prom queen. On a recent vacation to Turkey, Mary got a black henna tattoo of a dreamcatcher on her left ankle. Swns.com / SWNS.com You can see it here. Swns.com / SWNS.com But a few days after she got the tattoo, it began to scab up and burn. Swns.com / SWNS.com That's because the ink in the tattoo contained p-paraphenylenediamine, a substance that is not regulated by the European Union or the U.S. Food and Drug Administration. Linda Katz, director of the FDA’s Office of Cosmetics and Colors, told the Washington Post that black henna can cause redness, blisters, lesions, loss of pigmentation, and permanent scarring. Advertisement Where traditional henna is made from a flowering plant common in Asia and Africa, black henna is synthetic. View this photo on Instagram instagram.com According to the FDA, black henna is sometimes traditional henna mixed with other ingredients, or it may simply just be coal tar hair dye. fda.gov This is a photo of a 5-year-old who developed a severe reaction to a black henna tattoo. For Mary, the black henna tattoo resulted in a horrible burn. Tap to reveal Click to reveal Swns.com / SWNS.com As a result of her reaction to the tattoo, and the p-phenylenediamine (PPD) in it, Mary's been warned to stay away from hair dye (which contains PPD) for the next year. The aspiring model and makeup artist says she's hoping one day to be good enough at theatrical makeup to be able to cover up her scar. Swns.com Until then, she told the Daily Mail, "I had aspirations to be a model in the future and I do enjoy it a lot so it's going to be hard." Share On facebook Share On facebook Share On vk Share On vk Share On pinterest Share On pinterest Share On lineapp Share On lineapp Share On twitter Share On twitter Share On email Share On email Share On sms Share On sms Share On whatsapp Share On whatsapp Share On more Share On more Share On tumblr Share On tumblr Share On link Share On link Share On copy Share On copy Omg It's Prime Day!