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 ...

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 ...

More than 8500 people are expected to die from melanoma in the US in 2026. Early detection dramatically improves survival, yet the tools for identifying suspicious lesions remain, well, cumbersome.