The Control Clearing Cream 5α by Dr. Ceuracle is a refreshing gel-cream that provides intense hydration and soothing care for sensitive skin experiencing excessive sebum production. Its special formula, based on Sepicontrol A5, reduces excess sebum and shine, thanks to a patented formula developed by Dr. Ceuracle's research and development center. **Sepicontrol A5: Capryloyl Glycone, Cinnamomum Zeylanicum, Sarcosine. This product works through technology that controls 5-alpha reductase, a hormone that causes abnormal sebum secretion when the skin is unbalanced.