Vince Age-Defying ComboHelps to reduce the appearance of deep wrinkles. Repairs skin cells & stimulates new cell formation. Helps to remove sagginess while brightens dull skin. Assists to increase collagen production. Improves skins texture & skin tone. Paraben Free How To Use Step 1: Retinol Night Serum At the start of using this serum, use it 23 times a week, as your skin needs to get familiar with the retinol. After that, build up a daily use. Use only in the nighttime,