Featuring a powerhouse blend of 15% L-ascorbic acid and lactic acid, Dr. Dennis Gross Vitamin C Lactic 15% Firm & Bright Serum is your perfect partner to fight signs of aging, such as loss of elasticity & firmness, fine lines, wrinkles, dark spots, uneven tone and dullness. By combining two powerful antioxidants with licorice and mulberry extracts, this serum works hard to visbly firm the skin while brightening dark spots and strengthening your skin's moisture barrier. This product is suitable for all skin types and easy to use: just apply 4-6 drops daily over clean, dry skin. Although you may experience a slight tingling sensation on your skin until it is acclimated, you'll begin to see transformational results quickly! So why wait? Get ready for yourself for visibly healthier skincare this season with Dr. Dennis Gross Vitamin C Lactic 15% Firm & Bright Serum!