Q: Can you get a sunburn if you already have a tan?
A: Yes, you can definitely get a sunburn even if you already have a tan. A tan provides minimal protection against the sun’s harmful ultraviolet rays, and it is not enough to prevent sunburn entirely.
When your skin is exposed to UV radiation, it produces more melanin, the pigment that gives your skin its color. This is your body’s way of trying to protect deeper layers of skin from damage. However, sunburn occurs when the skin’s exposure to UV rays exceeds the protective capacity of the melanin. UV rays cause damage to the DNA in your skin cells, leading to inflammation, redness and pain. This DNA damage also sets the stage for skin cancer to develop months to years down the road.
While having a tan can increase your skin’s protection factor slightly (approximately equivalent to an SPF of 2-4), it is not enough to shield you from intense UV radiation, especially during peak sun hours. Both tanning and burning are signs of skin damage, and each time your skin tans, it accumulates damage that can lead to more serious issues over time, such as premature aging and an increased risk of skin cancer. Factors like time of day, geographic location and weather conditions can significantly increase the intensity of UV radiation, making it easier to get sunburned even if you have a “base tan.”
(READ MORE: How to stay safe in hot weather around the Chattanooga area)