MolluDab is a clinically proven topical solution to effectively treat molluscum contagiosum. MolluDab contains 5% potassium hydroxide which is well tolerated (when used as directed) to help treat the molluscum contagiosum virus.. Mollu Dab is a clinically proven topical solution to effectively treat molluscum contagiosum. Mollu Dab contains 5% potassium hydroxide which is well tolerated (when used as directed) to help treat the molluscum contagiosum virus in the comfort of your own home. Mollu Dab works by breaking down the skin cells infected by the virus. When applied onto the molluscum bumps it stimulates the body's own immune system to detect the virus and can treat the bumps, usually in 1-4 weeks.