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UV protection for city life and commuting

Sun protection marketing loves beaches. Most of the year, exposure looks like sidewalks, bike lanes, café terraces, and the driver’s side window.

Temperature is a weak proxy

A cool bright day can still deliver meaningful UV. Use a UV index when available. If you only wait for “beach weather,” you may skip protection on days that still add up over months.

Walking and cycling

Short repeated outdoor segments matter because they repeat. A morning face sunscreen becomes a default. Light long sleeves help on high-UV days. Hats help when practical. For bike commuting, prioritize face, neck, ears, and hands — areas that stay uncovered.

Driving and glass

Some glass filters UVB more than UVA. People who drive frequently sometimes notice asymmetric aging or freckling on the window-facing side. Face and hand sunscreen on driving days is a low-drama habit, especially on long routes.

Office + lunch outside

Morning application covers the commute. If lunch is outdoors, reapply to face and neck. Keep a small tube in a desk drawer so the habit does not depend on remembering at home.

Build the minimum viable habit

• Broad-spectrum face sunscreen most mornings
• Sunglasses you actually wear
• Shade when queues or waits are long
• Extra care on high UV index days

Related: application guide · SPF explained