Children’s especially upto age 3 years, have a thin upper layer of the skin and a lower concentration of protective melanin. This allows ultraviolet radiation (UVR) to penetrate deeper, resulting in photo damage and so an infant’s skin develops sunburn more easily than that of adults. In addition, the skin also contains stem cells, which are susceptible to UVR-induced mutagenesis. UVR exposure during childhood is a critical period for the increase in skin cancer risk later in life.
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