Acne treatment

特許 権利維持 Acne vulgaris (or simply acne) is a common human skin disease, characterized by areas of seborrhea (scaly red skin), comedones (blackheads and whiteheads), papules (pinheads), nodules (large papules), pimples, and possibly scarring. Aside from scarring, its main effects are psychological, such as reduced self-esteem and in very extreme cases, depression or suicide. One study has estimated the incidence of suicidal ideation in patients with acne as 7.1%.