The ultraviolet rays are antiseptic in nature. It is capable of killing bacteria, viruses, fungi, yeasts, moulds, and mites in air, water and on surfaces. It also kills germs on our skin. For different skin diseases, Sunlight is a very useful treatment.
Sunlight also toughens and thickens, the skin, making it less susceptible to injury and infection. Regular, controlled and moderate exposure to sunlight protects the skin by building up a natural resistance to the harmful effects of ultraviolet rays and give our body a nice soft texture.