I read that ethanol works 15% m/m conservation. Do I use in a gel for external use ethanol 96 ° for oral use or can I also use ethanol 70 ° or 90 ° denatured with isopropanol?
I read that ethanol works 15% m/m conservation. Do I use in a gel for external use ethanol 96 ° for oral use or can I also use ethanol 70 ° or 90 ° denatured with isopropanol?