Sun Protection: A Winter Essential

As winter sets in and temperatures drop, many people become less vigilant about sun protection, assuming the sun’s rays are less harmful during the colder months. However, applying sunscreen in winter is just as crucial as in summer. 

Ultraviolet (UV) rays remain active throughout the year, regardless of temperature or cloud cover. UVA rays, which penetrate deeply into the skin, are consistently present and can lead to premature aging and increase the risk of skin cancer. UVB rays, responsible for sunburn, can also cause damage even on overcast days. Therefore, daily sunscreen application is essential to protect against these harmful effects.

According to the American Academy of Dermatology, snow and ice can reflect up to 80% of UV rays, effectively doubling your exposure. This reflection can lead to unexpected sunburns and increases the risk of long-term skin damage. Engaging in winter activities like skiing or snowboarding at higher altitudes further intensifies UV radiation, making sun protection even more critical.

The effects of sun exposure are cumulative over a lifetime. Even minimal exposure during daily activities adds up, contributing to the risk of skin cancer and other skin-related issues. Consistent sunscreen use year-round reduces this cumulative impact, promoting long-term skin health.

Opt for a broad-spectrum sunscreen with at least SPF 30 to shield your skin from both UVA and UVB rays, which contribute to premature aging and skin cancer. If you participate in winter sports like skiing, snowboarding, or hiking, or if you spend long hours outdoors, consider a water-resistant formula with a higher SPF to ensure lasting protection against sweat and moisture.

Additionally, dry winter air can strip your skin of its natural moisture, so look for sunscreens with hydrating ingredients like hyaluronic acid, glycerin, or ceramides to keep your skin protected and nourished. Be sure to apply sunscreen to all exposed areas, including the face, neck, ears, and hands—often-overlooked spots that are highly vulnerable to UV damage. Don’t forget your lips, as they can also suffer from sun exposure; use a lip balm with SPF for added protection. Reapply sunscreen every two hours, or immediately after sweating, to maintain effective coverage throughout the day.

If your skin becomes excessively dry, itchy, or irritated despite following these tips, it’s time to seek professional advice. At Hudson Dermatology, we can help you find tailored solutions for your winter skincare needs. Book an appointment today with one of our board-certified providers.