13 Things Women with Great Skin Always Do - Day 13
They thoroughly cleanse skin and exfoliate - Remove your makeup before bed!!! Exfoliation helps products like serums and moisturizers penetrate deeper (and faster) into your skin because there is no longer a barrier of impurities created throughout the day.
This article recommends daily exfoliation; however, I believe you can over exfoliate. Constantly removing the protective barrier on your skin can result in the overproduction of oil. My recommendation would be to limit exfoliation to 1-2 times per week.