What are some common misconceptions about UVB radiation and sun protection

We recommend the ideal time for UVB phototheraphy between 11.00 am to 2.00 pm and for PUVASOL between 9.30 am to 11 am and 2 pm to 3.30 pm. 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 ... Jun 17, 2015 ... SPF only measures UVB rays; it doesn't tell you anything about protection from UVA rays, Kundu says. 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- ... The sunlight that reaches the earth has ultraviolet A and ultraviolet B (UVA and UVB) rays. These ultraviolet rays are the main causes of damage to the skin ... Nov 7, 2017 ... Ultraviolet radiation is invisible energy in the wavelength range from 100 to 400 nanometers (nm). A nanometer is one billionth of a meter. UV ... There are two types of UVA rays: UVA1 and UVA2. UVA1 light is in the range 340–400 nm; UVA2 light is in the range 320–340 nm. These differences in wavelength ... Skin Type/UVA vs UVB rays. UV stands for Ultra Violet. There are two types of Ultraviolet rays that come naturally from the sun. · Tanning Goals. So why does any ... Sep 1, 2009 ... UVB rays damage superficial skin cell layers, causing sunburn. UVC rays, the shortest, are considered harmless, since most UVC light is ... Protect Skin from UVA and UVB Rays with OneSkin · UV radiation, emitted by the sun, causes damage to skin cells. · UVB rays are short-wavelength and primarily ...