On exposed skin (not covered by clothing), use a sunscreen with a Sun Protection Factor (SPF) of at least 15 and with both Ultraviolet-A (UVA) and Ultraviolet -B (UVB) protection. No sunscreen offers 100 percent protection, so cover up whenever possible with a hat, long-sleeve shirt and pants.
- Re-apply sunscreen every two to three hours, as well as after swimming, paying particular attention to the most exposed parts of your body-the face, neck, ears, shoulders, back, knees and tops of feet.
- Read and follow the directions on the sunscreen's bottle or tube. Don't use sunscreen that has passed its expiration date.
- If you apply more than one substance (for example, sunscreen and insect repellent) on your skin, always put the sunscreen on first and wait 30 minutes before applying the second substance.
- If possible, test your sunscreen for an allergic reaction before relying on it for protection for a long period of time. Apply a small amount on your inner forearm for two to three days consecutively, and check for a reaction. Talk with your pharmacist about alternative choices if you experience an allergic reaction.