Your face reflects how you spend a lot of time in the environment and whether you protect yourself properly from the sun's rays.
Most likely, all of you know that being on the beach in the afternoon sun is not allowed, but some tan lovers somehow forget this recommendation. Also, have you noticed how you squint in sunny weather without sunglasses? These and other harmful habits take their toll on the skin over time and unwanted, ageless/premature wrinkles become visible. Wrinkles are not the only problem - UV radiation increases the risk of skin cancer.
Dermatologists say that 90% of wrinkles are not related to age and are formed as a result of sun damage.
Sunlight can destroy/reduce collagen and elastin, the most important proteins for the skin.
Doctors ask us why we don't have many wrinkles in places where the sun's rays don't reach (buttocks, chest, etc.). You don't need a medical degree, and the answer is easy to understand - unprotected skin is prone to wrinkles, and the sun plays a huge role.
Source:
https://www.skincancer.org/blog/surprising-signs-of-sun-damage/