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 ...

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 ...

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!) ...

Background: The standard allergen series used in patch testing contains metals that most commonly cause allergic contact dermatitis, but testing with additional metal allergens is warranted for select ...

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 ...