What is the primary benefit of using sunscreen while diving?

Using sunscreen while diving is primarily beneficial for preventing sunburn and skin damage. When divers spend extended periods on or near the surface of the water, they are exposed to ultraviolet (UV) rays from the sun. Water can reflect and intensify UV exposure, making it possible for divers to suffer from sunburn even during relatively short periods spent on the surface or in shallow waters.

Applying sunscreen helps create a barrier that protects the skin from harmful UV rays, reducing the risk of both immediate effects like sunburn and long-term damage such as skin cancer or premature aging due to sun exposure. It’s crucial for divers to be aware of the specific environmental conditions they may encounter, including the reflection of sunlight off the water, which increases exposure.