Summer is the perfect time to enjoy the outdoors, but increased sun exposure can have lasting effects on your skin. Understanding how ultraviolet (UV) rays affect your skin can help you make informed decisions that support both your health and your complexion.
The sun produces two primary types of UV radiation that reach the Earth's surface: UVA and UVB rays. While both can damage the skin, they do so in different ways. UVA rays penetrate deeper into the skin and are associated with premature aging, including wrinkles, loss of elasticity, and dark spots. UVB rays primarily affect the outer layers of the skin and are the main cause of sunburn.
Even on cloudy days, up to 80% of UV rays can pass through cloud cover, meaning your skin may still be exposed even when the sun isn't shining brightly. UV rays can also reflect off surfaces like water, sand, and concrete, increasing overall exposure during outdoor activities.
One of the best ways to protect your skin is by applying a broad-spectrum sunscreen with an SPF of at least 30. Reapplying every two hours—or more often after swimming or sweating—is just as important as the initial application. Wearing protective clothing, sunglasses, and seeking shade during peak sunlight hours can further reduce UV exposure.
Professional skincare treatments can also help address concerns that become more noticeable after summer, such as dehydration, uneven skin tone, and dullness. Supporting your skin with consistent care throughout the season can help maintain a healthy, radiant complexion long after summer ends.


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