Two boys have been treated for chemical burns after having "black henna" tattoos on holiday. Nathaniel, 13, and seven-year-old Kane, from Ryhope, Sunderland, had the tattoos done on the last day ...

A henna party, a fortnight before the wedding, was an event she was looking forward to. Black henna tattoos always add to the glamour. But a few days later she was in a doctor’s examination room.

Adobe Stock Many people hear the word “henna” and automatically think of tattoos. It’s almost always ... which is the case with black henna used to darken color,” she says.

A study, published by BMC, states that the first signs of symptoms surface in the form of allergic contact dermatitis caused ...