Cucumber extract makes a wonderful addition to skin-care products for its cooling and skin-tightening properties. Cucumber is rich in vitamins and minerals essential for a healthy looking skin. In addition, Cucumber extract offers a natural source for a powerful antioxidant. It can be used to keep the facial skin feeling soft and smooth. It also acts as a skin toner and can be used in astringents to revitalize stressed and tired skin, leaving it refreshed and radiant looking.