What are the potential benefits and risks of using artificial UVB light sources for indoor environments, such as homes or offices

May 20, 2022 ... ... ultraviolet B (UVB) rays, which damage the superficial layers of skin. The SPF number can range from 2 to 100. The SPF number is a measure ... UVB is effective in treating vitiligo by immune suppression and stimulation of cytokines. Treatment is given twice a week for 3–4 months and continued until re- ... UV rays are the part of sunlight that causes skin cancer and skin aging. Tanning beds also emit UV radiation. Tanning beds cause the same skin damage as the ... Jul 26, 2022 ... UVB rays are more high energy than UVA. They can only penetrate the outermost layer of the skin. Jul 24, 2023 ... ‌UVA rays have a lower amount of energy and a longer wavelength than UVB rays. They can enter the middle layer of your skin called the dermis. Unlike UVB rays, UVA rays penetrate deep into the skin's thickest layer otherwise known as the dermis. However, both UVA and UVB rays can pose potential issues. May 16, 2023 ... UVA, or Ultraviolet A, is a type of solar radiation that makes up a significant portion of the sunlight reaching the Earth's surface. It ... UVA rays are longest, in the 315 nm to 400 nm range; UVB are shorter in length, in the 280 nm to 315 nm range; and UVC are the shortest, in the 100 nm to 280 The Bottom Line. The difference between UVA and UVB rays is that one type ages your skin, while the other type burns it. Both damage your skin. You're ... Apr 2, 2025 ... Ultraviolet radiation is produced by high-temperature surfaces, such as the Sun, in a continuous spectrum and by atomic excitation in a gaseous ...