“Seborrheic keratoses are skin-colored or brown, warty bumps that typically develop on the chest, back, extremities, and around the bra line,” says Dr. Zeichner. They’re harmless, although in some ...
Acne: Blue light directly affects and kills the bacteria (i.e., Cutibacterium acnes) that are responsible for producing acne. It also "targets cells that (over)produce sebum or oil and decreases ...