Common name: Dan-shen Root Extract Botanical name: Salvia miltiorrhiza Bge. Parts used: Roots Properties & tastes: Bitter, slightly cold. Meridian tropism: Heart, Liver Active compounds: Tanshinone I, IIA, IIB, Isotanshinone I, IIA, Cryptotanshinone, Isocryptotanshinone, Methyltanshinone, Hydroxytanshinone, Radix Salviae acid A, B, C Extract method: By Supercritical CO2 extraction Functions: 1. Activate blood and dredge meridians 2. Cool blood and subdue swelling 3. Clear away heart fire and calm the mind 4. Expand blood vessels, increase coronary blood flow and blood pressure 5. Tranquilize and ease pain 6. Effective for the acne and comedo