According to Ayurveda, Rejuvenation must take place on the physical, mental, and spiritual levels. Before starting the physical rejuvenation program, the body must be cleansed from the inside. A rejuvenating herb, taken orally, passes through the stomach, small intestine, and large intestine before entering the bloodstream. All these physiological pathways must be purified in order for the herb to reach the deeper bodily tissues where the rejuvenation process begins. involves various detoxification treatments, herbal steam, to remove accumulated impurities and rejuvenate the mind, body, and spirit.