It is a reasonable step up for normal-to-resilient skin, but the incremental benefit over 1% is not dramatic and depends heavily on the quality of the surrounding formula
Heo Y, Ishimoto N, Jeon YE et al (2022) Structure of the human galanin receptor 2 bound to galanin and Gq reveals the basis of ligand specificity and how binding affects the G-protein interface
Other ingredients: Bulking Agent (INS460), Disintegrating Agent (Sodium Starch Glycolate, INS466, INS1202, Binder (INS470iii), Glazing agent (INS553iii), Anticaking Agent (INS470iii), Permitted Natural Food Colour (INS171), Permitted Synthetic Food Colours (INS102, INS132)
The process is based on an absorption gradient high at site of injection and low in the blood