It will put pressure on colon and remove waste out of your body Safer21 HOW DOES IT WORK? It contains Cascara Sagrada (bark) – has been used from year by the Americans as laxative natural medicine Aloe Vera (Leaf) – Aloe vera is over the counter laxative product. Permit me get you up to speed on Cleanse FX. Adults and usually elderly people mostly suffer with the problems of digestive system and feel weak and immobile.