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 SEE…