l-glutamine or glutathione Glutamine vs glutamine and glutathione the same
Description
Functionalization of AgNPs with biocompatible polymers such as chitosan or polyethyleneimine further improves stability and bioavailability while reducing cytotoxicity to human cells (Liao et al., 2019)

Melini F, Melini V, Luziatelli F, Ficca AG, Ruzzi M

Alpha-lipoic acid (ALA) 0.5% and proanthocyanidin (PA) 0.3% administered transdermally in a cosmetic formulation supplemented with 2% benzyl alcohol as a penetration enhancer, significantly enhanced collagen synthesis and deposition

7.2 g) of 17.5% at = 0.05 level
