What Is Sun Tanning? Sun tanning is the process of changing the skin color to darken. It is the result of more exposure to ultraviolet radiation from sunlight. What Causes A Tan? People are getting tan because of UVA radiation. It penetrates ...
What Is Sun Tanning? Sun tanning is the process of changing the skin color to darken. It is the result of more exposure to ultraviolet radiation from sunlight. What Causes A Tan? People are getting tan because of UVA radiation. It penetrates ...