Derma E Vitamin C Concentrated Serum Size: 0.5 fl oz Dark Spot Treatment #skincare #vitaminC #dermae #darkspots New in box. This Derma E Vitamin C Concentrated Serum is a heavy hitter for anyone trying to fade dark spots and get that glow back. It’s a brightening facial treatment designed to improve the appearance of uneven skin tone and boost radiance. Formulated with a potent blend of stabilized vitamin C, hyaluronic acid, and green tea, it helps hydrate the skin while reducing the look of fine lines and dullness. This lightweight, antioxidant-rich serum absorbs quickly, leaving skin feeling smooth, refreshed, and visibly glowing.