Why is it important to apply sunscreen daily?

Applying sunscreen daily is crucial primarily because it protects the skin against UV damage. The sun emits two types of harmful ultraviolet radiation: UVA and UVB. UVA rays can cause premature aging, sun spots, and contribute to skin cancer, while UVB rays are responsible for sunburn. Daily application of sunscreen helps to create a barrier that absorbs or reflects these rays, significantly reducing the risk of skin damage and various forms of skin cancer over time.

While there are several benefits associated with sunscreen, such as enhancing makeup longevity and providing hydration, they are secondary to the primary purpose of preventing UV damage. Sunscreen also does not eliminate acne, as acne is typically related to factors such as oil production, bacteria, and hormones rather than sun exposure. Therefore, the primary reason for daily sunscreen application is to safeguard the skin from the harmful effects of UV radiation.