Allure

Meet Ferulic Acid, the Most Underrated Skin Brightener.  Ghost Democracy Lightbulb Vitamin C Serum. Nava Greenfield, MD, a board-certified dermatologist at Schweiger Dermatology Group in New York City, says the Ghost Democracy Lightbulb Vitamin C Serum is one of her favorite brightening serums. Along with antioxidant vitamins C, E, and ferulic acid, this impressive formulation also contains bakuchiol, a gentler alternative to retinol that'll reduce the look of signs of aging like fine lines and skin sagging.