According to u003ca href=u0022https://www.goodhousekeeping.com/beauty/anti-aging/a32477758/how-often-to-wash-face/#:~:text=%E2%80%9CBacteria%20builds%20up%20on%20your,a%20Top%20New%20York%20Dermatologist.u0022u003eGood Housekeepingu003c/au003e, the reason you should wash your face in the morning is that while you are resting at night, bacteria accumulates. It’s best to wash your face in the morning when you wake up.