Kiehl's Powerful-Strength Vitamin C Serum 2.5 ozWhat it is: A potent vitamin C serum formulated with 12. 5 percent vitamin C and hyaluronic acid. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Fine Lines and Wrinkles, Uneven Texture, and Loss of Firmness and Elasticity Highlighted Ingredients: Pure Vitamin C (10%): Helps reduce the look of fine lines and improves the appearance of skin texture. Ascorbyl Glucoside: Helps diminish the look of fine lines. Hyaluronic Acid: Smooths the