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 ...

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, ...

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 ...

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 ...

Patch testing is currently used in clinical practice as the most important investigative and diagnostic method available for studying delayed contact hypersensitivity. It constitutes – together with a ...

If you regularly read skin care stories, you’ve probably come across the often-touted advice to patch test new products before trying them. (It’s certainly a suggestion SELF has made more than once!) ...

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 ...