Rubia Cordifolia. Manjistha is a blood cleaner and lymph mover. The herb acts on the arterial and circulatory system. In turn, this helps detoxify the body and improves skin health. This herb is effective for reducing breakouts and reducing any itchiness and rashes. By ensuring the lymph and blood is cleansed, this works in a domino effect on other functions in your body such as immunity, digestion and nervous system.