I try to wear less makeup overall–I stick to tinted moisturizers and cream blushes, and then I set it all with powder. If you keep a blot powder in your bag, it can help freshen up any makeup that’s been hit by humidity, too.
I regularly exfoliate and moisturize my lips, which helps to keep my lips from cracking–and in turn, it’s not painful to smile! I use at-home whiteners (Crest, Rembrandt, GO SMiLE, etc.) every 4-6 months to keep my teeth white(r).