“Similar to other acne, chin acne may be caused by a combination of factors including increased sebum production, clogged pores, inflammation, and bacteria,” says Marisa Garshick, M.D., F.A.A.D., a ...
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 ...