Patch testing describes a procedure to help identify what ingredients might irritate a person’s skin. Many skin care products contain chemicals that can cause an allergic reaction when a person ...

What is allergy patch testing? Allergy patch testing screens substances to determine the cause of an allergic skin reaction. Patches with different suspected irritants (allergens) are applied to a ...

Skip the rash and save your skin. It’s an all too common scenario: You’re excited to try your new skincare product, whether it’s an eye cream, serum, moisturizer, or body cream, and slather it all ...

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

Some food for thought: On average, women use 12 personal care products daily, which amounts to about 168 chemical ingredients, according to the Environmental Working Group (EWG). Splurging on a new ...

The excitement of trying a new skincare product can quickly turn into disappointment when redness, itching, or irritation appears hours later. Whether it’s a promising eye cream, revolutionary serum, ...

Allergies are common and can be triggered by anything from certain foods and chemicals to dust or pet dander. While some people discover their allergies only after an unexpected reaction, deliberately ...

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 ...

We report our experience with more than 1,000 patients who underwent patch testing with metals during the past decade at Mayo Clinic. Many metals with high reaction rates (eg, gold, nickel, and cobalt ...