The sun can increase the rate at which skin ages. Yes, some time in the sun is beneficial and essential for the production of Vitamin D, needed for healthy bones, but regular, prolonged amounts of time under the sun's rays can cause problems.
There are two types of ultraviolet rays: UVB and the more harmful UVA. All sunscreens can protect the skin from UVB rays, but UVA ray protection is only available up to 4SPF.
When Choosing a Sunscreen
Different people burn at different rates, so you must decide for yourself, if you are more sensitive to the sun than most people with your particular skin type. On average, the following has been observed:
Measures Taken to Avoid Sunburn
Wear clothes that cover exposed areas of the body.
Reapply sunscreen every two hours.
Reapply after swimming or sweating.
Avoid the sun between 10am ad 3pm.
Avoid sun beds at suntanning parlors.
A good suntanning lotion is needed if:
You live at high altitudes
You work outdoors
You perspire more than most
Things that may influence the effectiveness of your sun protection
Whether you have a tan already. Having a tan on its own, is equal to SPF 2 protection from the sun.
The ABCs of Sun Protection
Natural recipes for perfect skin, choosing a sun screen.