One of the many benefits of colonic irrigation is it ability to create healthy glowing clear skin. During the colonic irrigation treatment, toxins are removed from the body. Toxins such as hormones, food additives, medication and polluntants in the air can take their toll on the skin. If the body cannot release these poisons in the normal way, they way result in blemishes and spots on the skin. Cleaning the body with colonic irrigation clears the skin which results in a glowing complexion and beautiful clear skin. Colonic Irrigation Special Offer E70 with Advanced The Harley Street Method. One of the many powerful benefits of colonic irrigation is its ability to hydrate your body instantly. The function of the colon is to absorb water. (matter which enters it from the small intestine is in liquid state, but leaves the colon in a solid state). The reason for this is that during the journey through the colon, nutrients and water are absorbed. So during your colonic irrigation treatment, clean, fresh purified water is absorbed and is used to hydrate the other organs of the body instantly. The liver hydrates, which increases metabolism and speeds up weightloss.