Infant tanning is due to hyperpigmentation, under normal circumstances pay attention to strengthen sunscreen 1-2 months can gradually become white, but there are individual differences. Infants and young children have tender skin, the development of the stratum corneum of the skin is not yet perfect, it is easier to be burned by the ultraviolet rays of the sun and tanning. Generally speaking, after 4-8 weeks of tanning, the skin of infants and young children can gradually turn white with the proliferation of the hair layer and the renewal of the stratum corneum. Some of the children with poor physical condition, the degree of skin damage by ultraviolet rays is heavier, the recovery time can be prolonged. In addition, can be used in the baby bath milk, can whiten the skin, long time persistent use of the effect is more obvious. It is recommended that parents moderate exposure of children to the sun, pay attention to physical sunscreen, try to let avoid more than 1 hour in the sun, so as not to tan the skin.