Once the body s immune.
Black henna hair color side effects.
Real henna which is generally safe to use is an orange colour with a red or brown tint to it.
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.
Black henna often contains the chemical p phenylenediamine ppd which gives the natural reddish brown dye a black tint.
I have a client that used henna over 2 years ago and.
It is also the main component in most hair dyes.
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.
Just like any products natural or otherwise you could have an allergy.
But black henna often contains ppd at high levels to give a dark colour quickly.
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.
Common side effects of mehndi are 1 contact dermatitis although henna obtained naturally is free of.