What Is It?
This topical medication is a combination of resorcinol, which helps remove the build-up of skin cells, and sulfur, which may also help dry and peel the skin as well as reduce acne bacteria.
Low-medium side effects and adverse reactions
Acne.org's Real World Take
Not often used because it smells bad, is opaque so it colors the skin when applied, and may rarely lead to severe side effects. Because of this, there haven’t been enough studies to show us whether it works or not, but it should help with mild-to-moderate acne.