When Should You Patch Test? It’s best to do a patch test every time you try a new hair or skin product, especially if you have sensitive skin or a history of atopic dermatitis or eczema.

Discover what patch testing reveals about your skincare compatibility and reaction risks.

Individuals on immunosuppressants should discontinue them prior to patch testing, if at all possible, to avoid tarnishing the test results, according to updated guidelines from the North American ...

Store Manager Sarah Scheidies said they allow customers to patch-test most of their makeup before they buy it.

How reliable is abacavir skin-patch testing when deciding whether to restart treatment with abacavir in patients who discontinued that drug because of a suspected hypersensitivity reaction?