■ Product Name: Crysta Bright Serum ■ Condition: New, Unopened ■ Contents: 20ml ■ Purchase Date: December 2025 Formulated with Super Niasia®, which penetrates deeper than niacinamide. It leads to firm, plump skin from within, even for deeply etched wrinkles. In addition to wrinkles, the dual active ingredients eliminate dullness, restoring the skin's natural radiance. Thank you.