The key difference between CERA5™ and Ag-Factor™ is that each brings different benefits and caters to different skin needs. Ag-Factor™ is more suitable for those who want to enhance their skin tone and radiance. While CERA5™ is perfect for those who are prone to dry skin that tends to be overly sensitive,develop uneven skin tone,excessive oiliness and display various signs of prematurely aging skin,whether due to their surroundings,genetic makeup,aging skin,etc. CERA5™ has highly effective anti-aging benefits as well,but it focuses more on providing and maintaining your skin's natural moisturization through the strengthening of cells. With healthier and stronger cells,you will be able to obtain skin that is naturally beautiful and radiant. CERA5™ also protects your skin against harmful elements that you face every day,preventing signs of premature aging such as wrinkles,fine lines,age spots and more.