Numbuzin's No. 5 Goodbye Blemish Serum is a daily anti-acne serum that effectively restores skin moisture and promotes a balanced skin tone, resulting in a clear and radiant complexion. This serum is packed with 75% Vitamin Extract, Ascorbic Acid (purest form of Vitamin C), and Panthenol, which help to clear acne. 1.69 fl oz