l carnitine dry mouth Dr Rudy's SmilePro™ 24 hour oral care rinse kit Buy Oral7 Dry Mouth Mouthwash

JAMA 285(10):13221326 Romanescu M, Buda V, Lombrea A, Andor M, Ledeti I, Suciu M et al (2022) Sex-related differences in pharmacological response to CNS drugs: a narrative review

21 The side-effects of anticholinergic drugs include dry mouth, blurred vision, urinary retention, postural hypotension, cognitive problems and cardiac rhythm disturbance

doi: 10.1371/journal.pone.0219759

In terms of sphingolipids metabolism, the rs267734 gene variant of Ceramide synthases 2 (CerS2) in patients with DKD resulted in increased proteinuria (108), and polymorphisms in the Sphingosine-1-phosphate lyase 1(SGPL1) gene encoding S1P lyase 1 were associated with reduced enzymatic activity of S1P lyase 1 and the development of nephropathy

Avoid using AHAs/BHAs and vitamin C simultaneously in the same routine, especially when using concentrated forms (think serums)