Yes, you can generally skip sunscreen at night.
Why You Can Skip Sunscreen at Night
The primary reason sunscreen is necessary is to protect your skin from the sun's harmful ultraviolet (UV) rays. These rays are not present at night when the sun is below the horizon. As the provided reference states, "It might not be necessary to wear sunscreen at night when the sun is not visible."
When Sunscreen Might Be Relevant at Night
While generally unnecessary, there are some exceptions:
- Bright artificial lights: Some extremely bright artificial lights, like those used in certain professional settings or for photography, can emit small amounts of UV radiation. This is rare and usually insignificant.
- Specific skincare routines: Some skincare products, when used in conjunction with certain medications or treatments, may increase skin sensitivity to light, even at night. Always consult with a dermatologist if you have concerns.
Important Considerations
Always prioritize sun protection during daylight hours. Applying sunscreen daily when outdoors, even after 5 PM, especially when the sun is visible remains a crucial step in protecting your skin from UV damage and reducing the risk of skin cancer and premature aging. Nighttime application, however, is largely unnecessary.