As the skin’s own protection has not yet fully developed in children, it is said that the skin can generally protect itself for approximately 5 minutes before it is affected, but using a baby sun cream can extend this period of protection. Children should use a sun protection factor of at least 30. This will extend their protection to approximately two and a half hours. However, sun cream with an SPF rating of 50+ are the best for your baby, and will provide the optimum coverage. Remember though, you will need to reapply sun cream to your baby regularly to ensure they remain sufficiently protected.