pure encapsulations acetyl l carnitine L-Carnitine Acetyl-l-Carnitine 250 mg — Well

Here, they reinforce your skin's barrier

6.3 Calcium homeostasis dysregulation Calcium ions (Ca 2+ ), as a key intracellular second messenger, are involved in multiple processes in the respiratory system, including airway contraction and relaxation, inflammatory responses, maintenance of barrier function, and regulation of cell apoptosis (122)

So, what does vitamin C do to your skin

10.1038/nrgastro.2009.35 381 RodaA.Serra-MirG.Montoliu-GayaL.TiesslerL.VillegasS

The synergy arises from the convergence of two independent second messenger systems cAMP/PKA from GHRHR and phospholipase C/calcium from GHS-R1a at the level of GH vesicle exocytosis