Smoking is harmful to both your heart and lungs, and according to the Centers for Disease Control, smokers are more likely than non-smokers to develop heart disease, stroke, and lung cancer. But one of the lesser-known impacts of smoking is on your skin.

“Smoking causes constriction of blood flow to your skin, depriving your skin of the necessary oxygen and nutrients, and also leads to harmful free radicals and pollutants that cause further damage to your skin, said┬áDr. Michael Kassardjian, a dermatologist in California.