GLP-1 RAs are classified into short-acting and long-acting agents based on their pharmacokinetic properties
Figure 1), SVCT2 is not present in most parenchymal astrocytes (Salazar et al., 2018) or in astrocytes isolated for culture in vitro (Ulloa et al., 2013, 2019), confirming the participation of the choroid plexus-CSF barrier in the entry of vitamin C into the brain (Figure 1)
Unlike some other brightening agents, glutathione works without irritating or over-drying the skin, making it suitable for most skin types, including sensitive skin
Use anytime, with or without food
So what the study supports is freedom of choice and not lowering the protein bar
This cannot be stressed enough SPF becomes even more crucial when using brightening products