Which vitamin is important for skin health and is often associated with sun exposure?

Vitamin D plays a crucial role in skin health and is especially notable for its association with sun exposure. When the skin is exposed to ultraviolet (UV) rays from the sun, it synthesizes vitamin D through a process that starts in the skin. This vitamin is important for various bodily functions, including maintaining skin integrity and overall health.

A deficiency in vitamin D can lead to several skin issues, including a poorer defense against infection and problems with skin repair and maintenance. Additionally, vitamin D has anti-inflammatory properties that can benefit skin conditions like psoriasis and dermatitis, making it an essential nutrient for maintaining healthy skin.

While other vitamins, such as A, C, and E, also play significant roles in skin health—such as promoting cell regeneration, providing antioxidant support, and maintaining moisture—the specific link between vitamin D and sun exposure makes it the standout choice in this context.