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Henna tattoos are a popular temporary way to decorate our skin. The traditional name is called Mehndi and is a centuries-old practice that originated in the Middle East, Southern Asia and Africa. Henna tattoo designs are usually ornate, brown in color and can stay on for a few weeks before eventually fading from the skin. However, an allergic reaction can occur from an additive to the henna and create skin sensitivities, which can be permanent.
Henna comes from a small shrub or tree that is grown in tropical and subtropical regions of Africa, Southern Asia and around Australia. A paste made from the dried leaves is ground into a powder then mixed with a mild acid solution such as lemon juice or tea to create the henna colored dye.
The henna paste is then applied to the skin with a brush or other method to create attractive patterns. The longer the henna is in contact with the skin the longer it will take the henna to fade so the tattoos may last as long as two to four weeks.
How does henna cause an allergic reaction?
Henna is typically an earth orange to brown shade though some types may have burgundy hues. There is no such thing as black henna. Black-appearing henna has the chemical PPD or Para-Phenylenedimine added to make it appear that color. PPD is what can cause an allergic reaction to occur. Skin that reacts to PPD appears red and swollen with itchy raised areas that may follow the contour of the tattoo.
Some people want to use darker colors in their tattoo so it looks more real instead of a henna-appearing one but the risk of a skin allergy is high when PPD is applied to the skin. In fact, the U.S. Food and Drug Administration hasn’t approved the use of henna dye as an safe substance to be applied to the skin at all; they have only approved henna to be used as a hair dye.
Precautions for getting a henna tattoo:
Only receive a henna tattoo from someone who is experienced. Consider doing a skin test before having one done, especially if you have sensitive skin. Do not get a dark or black henna tattoo and question the artist if the tattoo appears dark as to what exactly is in the dye. There may be other additives besides PPD that you may be sensitive to. Question the artist also if they indicate the tattoo has something added that will make it last longer.
See a doctor promptly if you notice any redness or rash at the tattoo site. If you have developed an allergy to PPD, you cannot use any products with PPD in the future. Most black hair dye and toners for bleached hair contain PPD and you may also develop sensitivities to other products such as certain sunscreen or medications.
sources:
http://parentingteens.about.com/od/teenculture/f/teentattoo.htm
http://en.wikipedia.org/wiki/Henna
http://www.hennatattoos.com/faqs/
www.ehow.com/how_5397_henna-tattoo.html
Add a Comment2 Comments
Thanks Isabel. Good advice to skin test first, which is actually a good idea for anything you have never had before, even new make-up on a small area of skin first.
August 17, 2010 - 10:52amThis Comment
Create Article. I teach Henna to aestheticians in the field and although very seldom, there have been sensitivity to the paste of the henna. As an educator it is my opinion that Black Henna should NOT be used on the skin. This is where the problems may begin. A patch test is usually done if the client states that she has sensitive skin. Just know if you are allergic to pigment from hair dyes, make-up or mascara to name a few then you are probably not a good candidate for henna. CREATE ARTICLE!!!!!
August 17, 2010 - 9:01amIsabel Calleros - Aesthetics Career Development.
This Comment