Sunburn is caused by too much exposure to ultraviolet (UV) light. UV light may be from sunlight or artificial sources, such as sunlamps and tanning beds. Melanin is the dark pigment in the skins outer layer that gives skin its normal color.
Why are sunburns hot to the touch?
The warmth of a sunburn generally stems from increased blood flow to the exposed site.
How bad is it to get sunburned?
Sunburns — even ones that arent severe — can cause severe damage to your skin. Sunburns substantially increase your chances of possibly deadly skin cancer and put you at risk of premature aging.
Does sunburn make you look older?
Repeated sun exposure leading to sunburn can increase the risk of several skin conditions: Premature skin aging: Repeated sunburns can accelerate the skins aging process, which makes you look older than you actually are.
Are there any benefits to sunburn?
The ultraviolet (UV) radiation emitted by the sun is a known carcinogen. But moderate sun exposure may have benefits for your health, including stronger bones, better sleep, improved mood, and a healthier immune system.