This is a 28 week long study involving an investigational medication for acne. Study participants must be 12 to 35 years of age and suffer from severe acne. Participants are asked to visit the study centre approximately 9 times. There is no cost to participate and compensation is available for the travel associated with the study. The study is being conducted by Dermatologists who specialize in the assessment of acne. If you are interested please contact our clinical trials manager, Olga Halperin at (416) 633-0001 ext. 4, today!