this is interesting. when i sweat and do not wipe it for a while, i get breakouts. i wonder if the reason could be the mixture of sodium chloride and sebum. as far as i understand in cosmetics sodium chloride functions as viscosity Increasing agent.
Randy, thanks a lot for the answer!
So basically i need to figure out pH level of this serum. Will litmus paper work?
About polyphenols. It seems to me that the only ingredient in this serum that might be called polyphenol is PALMITOYL GRAPE…