Sun tanning However, it operates not by inducing direct DNA damage, but by producing reactive oxygen species which damage DNA indirectly. UVA (see above) induces a cosmetic tan but little extra melanin protection against sun damage, sun burn, or cancer. Ultraviolet B (UVB) radiation is in the wavelength range 280 to 320 nm. Much of this band is blocked by the Earth's ozone layer, but some penetrates. UVB: A person's natural skin color affects their reaction to exposure to the sun. An individual's natural skin color can vary from a dark brown to a nearly colorless pigmentation, which may appear white .
Song to the Sun Song to the Sun Song to the Sun, known in Japan as , is a movie directed by Norihiro Koizumi starring the Japanese artist and singer Yui. In the movie, she plays the role of Kaoru Amane (雨音 薫 "Amane Kaoru"), a 16-year-old girl who has the rare skin condition xeroderma pigmentosum (XP), a disease that makes the ultraviolet radiation of sunlight potentially lethal to her. Yui's character is partly based on herself, as she is a singer and guitarist, and she performs three of Yui's songs in the movie; "It's Happy Line", "Good-bye Days" and "Skyline". There has been