Which vitamin is often deemed essential for skin health?

Vitamin A is often deemed essential for skin health due to its key roles in cellular growth, repair, and maintenance. It is vital for the integrity of epithelial tissues, which includes the skin. Retinoids, which are derived from vitamin A, promote cell turnover and help to maintain moisture levels in the skin, thus preventing dryness. Additionally, vitamin A is involved in the production of collagen, a protein that helps keep skin firm and elastic.

While other vitamins also contribute to skin health—such as vitamin C, which supports collagen synthesis and has antioxidant properties; vitamin E, known for its antioxidant effect that protects against UV damage; and vitamin B12, which plays a role in cell production—the direct influence of vitamin A on skin cell function and integrity makes it particularly significant for maintaining healthy skin. Its deficiency can lead to various skin issues, further emphasizing its importance in skin health.