Introducing our Quadruple Vitamin C 20% + Ferulic Acid serum, the ultimate skin brightening and boosting solution. This powerful serum contains multiple forms of Vitamin C, including L-ascorbic acid, magnesium ascorbyl phospate, tetrahexyldecyl ascorbate, and sodium ascorbyl phosphate, to provide maximum antioxidant protection and brightening benefits. Ferulic acid further enhances the serum's anti-aging properties by helping to stabilize the Vitamin C and increase its efficacy. With regular use, this serum will leave your skin looking brighter, smoother, and more radiant than ever before.