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Cosmetic Tattoo Ingredients Associated With Contact Dermatitis


 

TOPLINE:

Pigments in permanent makeup inks include those that have been reported to cause allergic contact dermatitis (ACD), but the ability to identify these allergies in patients is limited.

METHODOLOGY:

  • While the allergenic potential of pigments in traditional tattoos has been documented, there is less clarity about pigments used in inks contained in cosmetic tattoos, also known as permanent makeup, and their association with ACD.
  • Researchers conducted an Internet search and identified 974 individual permanent makeup ink products sold in the United States and also identified 79 unique pigments in those products.
  • They evaluated the safety data sheets of these products and performed a PubMed search to identify documented ACD cases related to these pigments.

TAKEAWAY:

  • Of the 79 pigments, 20 contained inorganic metals, which included iron, aluminum, silicone, chromium, copper, titanium, molybdenum, and manganese.
  • Organic pigments were more common: 59 of the remaining pigments were organic compounds, mostly azo, quinacridone, or anthraquinone dyes, including 4 black pigments made from carbon only.
  • A literature search identified 29 cases where patients had developed ACD thought to be caused by at least one of the 79 pigments identified by the authors of the current study and included 10 of the 79 pigments (12%).
  • In 18 of the 29 cases in the literature, patch testing to the suspected pigment had been performed; in 3 cases, ACD was suspected without confirmatory testing.

IN PRACTICE:

Permanent makeup is becoming more popular, and there have been reports of ACD related to pigments contained in the inks, the authors wrote. “Traditional patch testing methods may not be useful in confirming the presence of a pigment allergy, even if one is suspect,” they added. “Consumers and patch testing physicians would benefit from better labeling of tattoo inks and the development of protocols designed to specifically test for tattoo pigment allergies.”

SOURCE:

The study was led by Sarah Rigali, MS, of Rosalind Franklin University, Chicago Medical School, Chicago, and coauthors from the Department of Dermatology, Northwestern University, Chicago, published online in the Journal of the American Academy of Dermatology.

LIMITATIONS:

The study is limited by incomplete safety data sheets. So, many brands of permanent makeup ink could not be investigated. In addition, some pigments may not be fully disclosed in ingredient lists and precise ink content measurements were not available.

DISCLOSURES:

The study reported receiving no funding. The authors declared no conflicts of interest.

A version of this article appeared on Medscape.com.

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