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A Practice in Need of Policy in Children

Sharon E. Jacob, MD; Tamar Zapolanski, BA; Pamela Chayavichitsilp, BA; Elizabeth Alvarez Connelly, MD; Lawrence F. Eichenfield, MD

Arch Pediatr Adolesc Med. 2008;162(8):790-792.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

In the last 2 years, attention has been drawn to the use of p-phenylenediamine (PPD) in henna dyes and the potential for this allergenic chemical to cause hyper sensitivity reactions.^1-2 p-Phenylenediamine is an oxidative chemical that is frequently used as a permanent hair-coloring agent. It is added to henna to increase the intensity and longevity of the tattoo and expedites its drying time.^3-4 Henna itself is a greenish brown vegetable coloring made from the leaves of Lawsonia inermis and rarely causes allergic contact dermatitis (Figure 1).⁵ The addition of PPD causes the contact sensitization to black henna (Figure 2).

Figure appears in full text version. Figure 1. Traditional henna tattoo. Courtesy of Asha Patel.

Figure appears in full text version. Figure 2. Black henna tattoo with p-phenylenediamine.

Allergic reactions to PPD were first documented in the 19th . . . [Full Text of this Article]

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