Looking at data, GLP-1s seem to turn down the skins ability to protect against sun damage, produce collagen and elastin, and repair itself, Few says
Different staying power, different tissue binding, different clearance rates
What matters is that the powder remains dry and free of visible contamination
Penetration motifs further strengthen the ability of carriers to traverse the vascular wall and the extracellular matrix and complement particle size and surface properties in efforts to improve tissue penetration [59]
However, it may help contextualize why certain GLP-1 formulations or dosing strategies align better with your individual peptide biology compared to standard protocols
although some of these correlations persist across disease or medication status, others appear to be lost among FENNS patients