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Related Experiment Videos

Nail varnish allergy with far-reaching consequences

C Lidén1, M Berg, G Färm

  • 1Department of Occupational Dermatology, Karolinska Hospital, Stockholm, Sweden.

The British Journal of Dermatology
|January 1, 1993
PubMed
Summary
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Contact allergy to nail varnish, caused by toluene-sulphonamide formaldehyde resin (TSAfr), is common and can lead to severe consequences. Early diagnosis and patch testing with TSAfr and personal nail varnishes are crucial for effective management.

Area of Science:

  • Dermatology
  • Allergology
  • Cosmetic Science

Background:

  • Contact allergy to nail varnish is a recognized condition.
  • Toluene-sulphonamide formaldehyde resin (TSAfr) was identified as the primary allergen in 1943.

Purpose of the Study:

  • To describe the clinical presentation, patch test results, disease course, and socio-medical impact of nail varnish contact allergy.
  • To evaluate the diagnostic utility of TSAfr and patient-specific nail varnishes.

Main Methods:

  • Retrospective analysis of 18 patients with suspected nail varnish contact allergy.
  • Patch testing with TSAfr, patient's own nail varnishes, and standard patch test series.
  • Clinical assessment of dermatitis distribution and severity.

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Main Results:

  • 17 of 18 patients tested positive for TSAfr and their own nail varnishes.
  • Dermatitis presented with scattered lesions on the face, eyelids, neck, and hands, with periungual involvement in 11/18 cases.
  • Allergic contact dermatitis resolved within weeks of discontinuing nail varnish use.

Conclusions:

  • Contact allergy to nail varnish and TSAfr is prevalent, with potentially severe socio-medical consequences including work absence and job loss.
  • Periungual lesions are more common than previously reported, and co-existing allergies can complicate diagnosis.
  • TSAfr should be a standard patch test component, and testing with patient's nail varnishes is recommended. Mandatory ingredient disclosure for cosmetics is needed.