Our vitamin c serum with 20% haluronic acid is one of the best sellers. Brightens and reverses the signs of aging, fights free radicals, helps with hyperpigmentation, age spots, acne scars, lighten red spots, leaves you with absolutely beautiful and smooth skin. Benefits of a 2oz bottle is that, you are able to apply more, neck, chest and other needed areas. The hyaluronic acid will help the skin be deeply moisturized, a non greasy serum that dries within seconds. 100% satisfaction guarantee, 90 days.