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Related Experiment Videos

Hypopigmentation after non-permanent henna tattoo.

S Wöhrl1, W Hemmer, M Focke

  • 1FAZ, Floridsdorf Allergy Centre, Vienna, Austria. office@faz.at

Journal of the European Academy of Dermatology and Venereology : JEADV
|January 5, 2002
PubMed
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Para-phenylenediamine (PPD) in henna tattoos can cause severe allergic reactions. This hidden allergen, not henna itself, was responsible for a young girl's skin reaction, highlighting risks in cosmetic applications.

Area of Science:

  • Dermatology
  • Allergology
  • Cosmetic Science

Background:

  • Henna tattoos are popular, especially in Arabic countries, often perceived as natural and safe.
  • Natural henna dye has weak coloring properties, leading to the addition of enhancers.
  • Para-phenylenediamine (PPD) is a common additive used to intensify henna's color.

Observation:

  • A young girl developed a sun-shaped hypopigmentation after receiving a henna tattoo.
  • She experienced a severe cutaneous reaction, including massive arm swelling, 3-4 days post-application.
  • The reaction resolved over six weeks.

Findings:

  • Patch testing confirmed a positive reaction to para-phenylenediamine (PPD).
  • No allergic reaction was observed to henna or other standard allergens.

Related Experiment Videos

  • PPD was identified as the causative agent for the severe skin reaction.

    • Implications:

    • Henna preparations can contain undeclared allergens like PPD.
    • Consumers should be aware of potential risks associated with 'natural' henna products.
    • Dermatologists should consider PPD as a potential allergen in patients with reactions to henna tattoos.