The 20-capsule Clinsol I is used to treat acne.Clinsol I (20 mg) By lowering the production of sebum, a naturally occurring substance that causes acne, capsules aid in the treatment of acne. This stops spots or pimples from forming and eliminates the bacteria that causes acne. Continue taking it even if it doesn't seem to be working because it normally takes a few weeks to show any results. Acne might occasionally worsen before it improves, but with the right application, your skin will become clearer. As your skin clears up from acne, this medication will help you feel happier and more confident.