Trained assessors then graded the patterns of lines and skin coarseness on the hand impressions on a scale of one to six.

WSJ: Sunscreen Each Day Stops Wrinkles

In a study published in the Annals of Internal Medicine, researchers showed that people instructed to apply sunscreen every day showed 24% less skin aging, as measured by lines and coarseness of the skin, than those told to use the cream as they usually do.

WSJ: Sunscreen Each Day Stops Wrinkles