Hyper Vitamin C 23 Serum 20ml - Isntree"Description: The Isntree Hyper Vitamin C 23 Serum is formulated with a high concentration of **23% pure Vitamin C (Ascorbic Acid)** to effectively diminish dark spots, hyperpigmentation, and uneven skin tone. Stabilized with **Ferulic Acid**, this serum ensures the potency and longevity of Vitamin C. Additionally, **Niacinamide** enhances the brightening effect and supports skin barrier function. The lightweight, fast absorbing texture makes it