It can cause occasional allergic reactions darkened stains on skin or alter the skin color 9.
Black henna hair color side effects.
When applied to the skin in the form of a black henna temporary tattoo ppd can cause chemical burns and lead to allergic reactions how to tell if it is real henna.
However brown and black coloured mehndi causes contact dermatitis when applied in some cases.
Also henna is a metallic salt and while it doesn t damage your hair once you are finished with it it s difficult to remove.
Once the body s immune.
It can cause some side effects such as inflammation of the skin including redness itching burning swelling scaling broken skin blisters and scarring of the skin.
Black henna often contains the chemical p phenylenediamine ppd which gives the natural reddish brown dye a black tint.
Real henna which is generally safe to use is an orange colour with a red or brown tint to it.
I have a client that used henna over 2 years ago and.
Some of the reported cases of side effects associated with henna are mostly found with the henna paste used for body art or tattooing.
Common side effects of mehndi are 1 contact dermatitis although henna obtained naturally is free of.