1. Apply sunscreen every day before you go outdoors. Sunscreen is the closest thing we have to a fountain of youth. It really can slow down skin aging. It can also help prevent skin cancer. Look for a sunscreen that offers broad-spectrum protection, SPF 30 (or higher), and water resistance.
While it's important to protect infants' skin from the sun, the AAD recommends applying sunscreen ONLY to children who are 6 months and older.
2. Don't smoke. Smoking speeds up how quickly your skin ages. If you smoke, your wounds will also take longer to heal. And research shows that smoking worsens some skin diseases, including psoriasis and hidradenitis suppurativa.