Dead skin cells make your face feel rough and prevent it from reflecting light. Buff away those cells and your complexion will look more luminous. Use a cleanser that contains microbeads, or just rub a bit of sugar over clean, damp skin. The sugar crystals smooth rough patches (and dissolve quickly, eliminating the risk of overexfoliating).
In O's second installment of "Am I Doing This Right?," Gina Armstrong, a resident in physical medicine and rehabilitation, sits down with makeup artist Cynde Watson, to get a complete foundation tutorial.