 [ Symptoms ] i am fair skinned model i lie out in the sun and do not really use protection how can i maintain my youthful appearance [ Disease ] sun exposure is the no 1 and 2 and 3 cause of aging of the skin sun smart behavior is essential avoid midday sun never go to a tanning salon wear sun protective clothing when possible and use a high spf sunscreen and reapply it every two hours when you are out if you would like the look of a tan try a sunless tanner these have come a very long way and are safe