This really should have been at the top of the list, but we were afraid puffers would be turned off and wouldn’t read the rest of our tips. Swear, we’re not making this up. Smoking clogs pores and cuts off oxygen to facial tissue, giving skin a dull gray color, and increases the likelihood of outbreaks. Don’t believe us? Give it up for one week and see if you don’t get compliments on your skin.