Testing cosmetics for skin compatibility

Epicutaneous Testing of Cosmetic Products to Determine Skin Compatibility

Not applicable Interventional Insel Gruppe AG, University Hospital Bern · NCT03024671

This study is testing new and reformulated cosmetics on people's skin to see if they cause any irritation or allergic reactions.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment180 (estimated)
Ages18 Years and up
SexAll
SponsorInsel Gruppe AG, University Hospital Bern Academic / other
Locations1 site (Bern)
Trial IDNCT03024671 on ClinicalTrials.gov

What this trial studies

This study evaluates the skin compatibility of cosmetic products, both new and reformulated, by conducting dermatological patch tests. These tests are essential for identifying potential irritants and allergens in cosmetics that could cause dermatitis or allergic reactions. Participants will undergo patch testing to assess their skin's reaction to various cosmetic substances. The goal is to enhance safety and reduce adverse skin reactions associated with cosmetic use.

Who should consider this trial

Good fit: Ideal candidates include men and women over 18 who are undergoing diagnostic patch tests for skin diseases.

Not a fit: Patients with acute skin inflammation or those on certain medications that affect skin response may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to safer cosmetic products and reduce the incidence of dermatitis and allergic reactions in consumers.

How similar studies have performed: Previous studies have successfully utilized patch testing to evaluate skin compatibility of cosmetics, indicating a proven methodology.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Men and women older than 18 years old
* Persons undergoing a diagnostic patch test for reason of a skin disease
* Signed written informed consent

Exclusion Criteria:

* Acute skin inflammation and eczema on the back
* Systemic corticosteroid and immunosuppressive therapy as well as UV exposure of the back within the last 4 weeks
* Topical corticosteroids used on the back within the last two weeks

Where this trial is running

Bern

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Dermatitis
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.