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In the 1990s, henna artists in Africa, India, Bali, the Arabian Peninsula and the West began to experiment with para-phenylenediamine (PPD) based black hair dye, applying it as a thick paste as they would apply henna, in an effort to find something that would quickly make jet black temporary body art. PPD can cause severe allergic reactions, with blistering, intense itching, permanent scarring, and permanent chemical sensitivities.[39][40] Estimates of allergic reactions range between 3% and 15%. Henna does not cause these injuries.[41] "Black henna" made with PPD can cause lifelong sensitization to coal tar derivatives.[42] "Black henna" made with gasoline, kerosene, lighter fluid, paint thinner, and benzene has been linked to adult leukemia.[43]
The most frequent serious health consequence of having a "black henna temporary tattoo" is sensitization to hair dye and related chemicals. If a person has had a "black henna tattoo", and later dyes their hair with chemical hair dye, the allergic reaction may be life threatening and require hospitalization.[44] Because of the epidemic of para-phenylenediamine allergic reactions, chemical hair dye products now post warnings on the labels: "Temporary 'black henna' tattoos may increase your risk of allergy. Do not colour your hair if: ... – you have experienced a reaction to a temporary 'black henna' tattoo in the past."[45]
Para-phenylenediamine is illegal for use on skin in western countries, though enforcement is difficult. Physicians have urged governments to legislate against "black henna" because of the frequency and severity of injuries, especially to children.[46] To assist prosecution of vendors, government agencies encourage citizens to report injuries and illegal use of "PPD black henna"
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
Mehndi Photos Photos Pictures Pics Images
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