A first step serum that helps strengthen skin barrier while improving visible signs of aging. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Fine Lines and Wrinkles, Pores, Dryness Dullness, Redness, Uneven Texture, Oiliness, and Loss of Firmness and Elasticity Formulation: Lightweight Serum Highlighted Ingredients: - Sulwhasoo Master Complex & trade;: Helps improve skin hydration, radiance, soothing and anti-aging - Vitamin C Derivative: A stable form of Vitamin C to deliver p