Neutrogena Collagen Bank 15% Vitamin C Serum is a targeted treatment designed to help replenish the skin's collagen levels. Formulated with a potent 15% concentration of Vitamin C, this serum works to visibly brighten the complexion and address signs of aging. It aims to improve skin firmness and reduce the appearance of fine lines and wrinkles. A consumer should use this serum to support their skin's natural collagen production, combat environmental damage, and achieve a more radiant, youthful-looking complexion. The lightweight formula is suitable for daily use in a skincare routine.