The UV light is electromagnetic radiation that comes from the sun. The radiation is transmitted in waves at different frequencies and wavelengths. It is divided into seven waves, radio waves, IR, microwave, UV light, gamma-rays, and X-rays.UV light is responsible for sunburns because it can make black-light posters glow. In another way, UV light is needed to synthesize vitamin D. UV light for face can’t be overloaded because it can damage our skin, it leads to skin cancer. As we all know that UV light is directly contacted to the skin. Even it has some advantages, it can also damage the skin, especially the face.
The sunlight gives warmth and stimulates our general feeling. Physically, the sun’s rays can activate the blood circulation and increase the production of vitamin D. This vitamin plays an important role in our body, it can increase phosphorus and calcium absorption, skeleton development, blood cell formation, and immune function. UV radiation now is used to treats some diseases such as ultraviolet light for psoriasis, rickets, jaundice, and eczema. But of course, it is used under medical supervision and only for limited time because the negative side-effects can’t be eliminated. Exposing our skin to the sunlight is important as long as it is necessary.Remember, just a little sunlight is good, about 5 to 15 minutes, two or three times a week.
The higher level of UV rays can damage the genes in cells because it is a form of ionizing radiation. It can lead to skin cancer. Most common types of skin cancer cases by the over sun-exposed of the body skin. Another disease like melanoma is also related to sun exposure, but not as strong as skin cancer. UV rays can help us tanning our skin but it also can cause sunburn, premature aging of the skin such as liver spots, solar elastosis, wrinkles, actinic keratosis, and leathery skin. UV light for face can cause a bad problem and also for our eyes. It can cause inflammation to the cornea which leads to cataracts and pterygium. For our body, UV rays can weaken the immune system that makes the body can easily get infected and make vaccines less effective. This infection leads to many health problems.
The most common effects of UV light for face are dryness, blemishes, and aging. UV rays make the skin less moisture because the outer layer of the skin gets thicken. Also, it can damage collagen fiber and the elastin which causes the loss of skin natural elasticity. It also causes blotchy discoloration. This happens because the UV light can break the small blood vessels in the skin.