The lecture that was introduced by Dr. Waleed Khalid Ghanem discussed the relationship of substances in cosmetics and cancer diseases, including Paraben, Phthalate, according to the studies that assumed these substances have a direct effect to stimulate the growth of cancer cells and according to these studies, the highest permissible concentration in Europe and America has been determined to be 0.4% Used in cosmetics in the European and American markets The seminar aimed to clarify the relationship of some cosmetic components with cancer diseases. It also aims to raise awareness to avoid the use of preparations containing these materials