Lip balm is a simple fix for any flaking and tightness ... as enzymes in saliva can break down that delicate skin." Wearing braces, a retainer, or even dentures can cause extra salivation ...
Expert Dr. Jenna Lester said lip balm can help combat this. “That is a good barrier for the external forces," like against cold wind, said Lester, a dermatologist at UCSF Health. For most ...