Epicutaneous Testing of Cosmetics for Skin Compatibility

Epicutaneous Testing of Cosmetic Products to Determine Skin Compatibility

The dermatological testing of cosmetic products which are new on the market, or existing products with novel formulations is common and a useful procedure, yet necessary to alleviate common irritants and contact allergic reactions. Cosmetic products contain a range of substances that may be considered as potential irritants or contact allergens. In order to estimate that risk, cosmetics are tested by applying patch tests.

The dermatological testing of cosmetic products which are new on the market, or existing products with novel formulations is common and a useful procedure, yet necessary to alleviate common irritants and contact allergic reactions. Cosmetic products contain a range of substances that may be considered as potential irritants or contact allergens. In order to estimate that risk, cosmetics are tested by applying patch tests, as with allergic reactions.

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