What advice should be followed to a natural tan without the risks?

To get a natural tan is enough to leave home or stroll. Is absolutely essential to take sunbathing.
Prevent children under 3 years go to the beach. The radiation light is reflected in the white sand and water, so umbrellas are ineffective. For a natural tan without the risks using sunscreens. He has used a factor of 15 or higher (in children, a factor 30 or higher). They get 20 minutes before exposure to the sun, and re-applied every three hours or after swimming (filters water resistant, not resist the bathroom). Using a filter does not mean that it can stay longer in the sun safely. We must avoid exposure to the sun between 12 noon and 5 pm. These are the times of maximum light intensity (and where the beach is full). We can use these hours to eat, shop, clean the apartment … anything but sunbathe. Filled with clothes. The heat it gives ultraviolet radiation, and the skin is heated, too.
The hair protects from the sun, the bald photo protectors and must wear a hat. Wary of cloudy days, radiation reaching almost equal.