Vitamin C has earned the title of one of the most important ingredients in the skin care world. This powerful antioxidant has the incredible ability to not only protect the skin from the negative effects of the environment, but also to promote a healthy glow and youthfulness of the skin. Vitamin C is becoming an indispensable component for those who seek to reduce fine lines, fight pigment spots, graying of the skin or simply give the skin a healthy glow. But how exactly does this ingredient work and why is it beneficial?