"our findings indicate that sunscreens plus DNA repair enzymes may be superior to traditional sunscreens alone in reducing field cancerization and UVR-associated molecular signatures (CPDs) in AK patients, potentially preventing malignant transformation into invasive squamous cell carcinoma in a more efficient manner."
courtesy of https://www.ncbi.nlm.nih.gov/pubmed/26355618
1. Wear a large brimmed hat, polarized sunglasses, & sun protective clothing
2. Use your sunscreen & reapply every two hours. Reapply sooner if you've sweated a lot.
3. Avoid the sun when it is at its highest point in the sky, usually from 11 in the morning until three in the afternoon.
4. Skip the tanning beds. Too much overexposure in a very brief period of time.
5. Schedule yearly skin exams
6. Use a UV laundry detergent to boost protection