Sunlight is composed of wavelengths ranging from ultraviolet
light to visible light. Ultraviolet (UV) is divided into UVA
(320–400 nm), UVB (290–320 nm) and UVC (100–290 nm)
(Hanson et al., 2006). Exposure to solar radiation has negative
effects on the human skin. Among all, UV is the most harmful
to the skin and causes sunburns and skin cancer after longterm
exposure