6 Surprising Things That Might Be Aging You, According to an Expert

You should already know this, but it's always worth repeating: stop tanning, and use an SPF at all times. "Sun damage is cumulative; even 10 minutes of exposure a day over the course of a lifetime is enough to cause major problems and age your skin drastically," Dr. Jaliman said. Make sure to find a broad-spectrum sunscreen to protect your skin from both UVA (which penetrate deep within your skin) and UVB rays (which burn you).