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 ...

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 ...

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 ...

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!) ...