This serum contains pure vitamin C and galactomyces, promoting a brighter and more even skin tone. With 95% galactomyces, a natural yeast extract known for its brightening and anti-aging properties, and 5% pure vitamin C, this serum provides antioxidant protection and helps improve skin texture and tone. Achieve a radiant and youthful complexion with Galactomyces Pure Vitamin C Glow Serum.