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their response to my emailPosted by Alissa on August 27, 2001 at 15:32:59: In reply to: New Scientist Article from 8/15: "Henna tattoos can cause severe allergic reactions' posted by Anne Beltestad on August 26, 2001 at 22:47:22: Heres what they said, and below it what I wrote.____________________________________________________________________ Thank you for your email. All emails are read. If a response is required we will contact you in due course. New Scientist website ----------- Your original message is below ---------- Dear Editor, I am writing to request that a correction, or clarification, be added to your article on henna (site www.newscientist.com/news/news.jsp? id=nw99991160). An important distinction should be made between natural and unadulterated henna, that is 100% lawsonious inermis, and the toxic chemical p-phenylenediamine, also known as PPD, which is marketed incorrectly as "black henna." This non-organic substance, when mistakenly labeled as “black henna,” has been known to cause skin lesions, permanent scarring, as well as the risk for liver damage. The chemical PPD, unlike the hennotannic acid within unadulterated henna, is known to pass through the epidermal layers and into the blood stream. This product is extremely dangerous. However, do not make the mistake of assuming that all henna products contain this, or other harmful additives. Natural henna leaves a reddish brown colored stain, not black, and does not require additives in order to produce them on the hair or skin, but are instead the result of hennotannic acid released from the ground leaves of an unadulterated henna plant. This method of body decoration has been traced back to usage several thousand years before our time, and poses little to no physical threat to most people. Currently the FDA regulations on natural henna as a hair colorant deem it so safe it no longer warrants regulation. PPD, unlike natural henna, has had permanent and damaging effects on many unsuspecting users when applied by unscrupulous individuals eager to cash in on the mehndi trend. In the interest of sharing the most accurate information, please make clear to your readers the difference between natural, unadulterated henna, deemed safe for use by the FDA, and the toxic chemical p- phenylenediamine ("black henna") and the inherit dangers of this non- henna product. Thank you for your time. Sincerely, Alissa Hall Mehndi/Henna artist Albuquerque N.M.
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