MucoLock™ for Treatment of Stomatitis

Inclusion Criteria: * Age 18 years and older * Individuals with oral dysesthesia (worst VAS sensitivity/burning score ≥ 7 over the last week) * Ability to understand and the willingness to sign a written informed consent document Exclusion Criteria: * Inability to comply with study instructions * Uncontrolled intercurrent illness or psychiatric illness/social situations that would limit compliance with study requirements\* * Presence of a condition or abnormality that in the opinion of the Investigator would compromise the safety of the participant or the quality of the data. * Advanced kidney disease * Patients receiving antineoplastic therapy \[e.g., tyrosine kinase inhibitors (TKIs), radiation\] that could increase the risk of oral dysesthesia * Known altered mental status, encephalopathy, or cognition impairment * Ataxia * Known alcohol use disorder * Concomitant opioid therapy * Diagnosis of oral cancer currently undergoing therapy * Already using topical therapy for mouth pain (e.g., lidocaine, Magic mouthwash)\* * Any opioid pain medication\* * Treatment with another investigational drug or other intervention within 2 weeks. Patients will be recommended to stop previous medication for 2 weeks before starting the study treatment. (asterisk) \*Modifiable criteria, with a timeframe of 2 weeks for a washout period.