Delayed-Type Hypersensitivity to Henna Tattoo Components: 2 Case Reports

The fashion of temporary henna tattoos has become an increasingly diffuse habit in Western countries, but it may have undervalued consequencies such as a contact hypersensitivity to paraphenylenediamine, a strong sensitizer added to henna tattoo dye so turning red henna in black henna, without considering the damage to public health consumers, because paraphenylendiamine sensitization may be a permanentside-effect of a temporary whim.