The activities of the two major components for anti-acne are shown in Table 4. The results showed that
xanthorrhizol inhibit P. acnes growth at the concentration of 0.5 mg · mL-1. The antibacterial activity of
xanthorrhizol was better than IPMP as the positive control, but xanthorrhizol had no lipase inhibition activity and
not good as antioxidant. Unlike xanthorrhizol,