Two important questions to ask yourself before starting: when and how often should I wash my face? On the contrary, a growing number of experts now believe that there are benefits to skipping the morning cleanse altogether. "But for more, a mindful morning cleanse is a beautiful way to wake up the skin.” If you have oily or acne-prone skin, it's definitely best to cleanse morning and night with a targeted cleanser to prevent blockages in your pores and a build up of bacteria. Also, if you've used retinol serum or strong acids overnight, you'll want to gently cleanse away the residue in the morning to avoid irritation.