How much phenoxyethanol do you recommend for this sodium salicylate solution?
This is a simple solution of sodium salicylate in water.
1% salicylic acid
0.5% aminat G= 0.1% ethyl lauroyl arginate HCl in glycerin (cationic)
80 ppm EDTA
pH around 5
I want it to be simple and inexpensive.
What percentage of phenoxyethanol do you recommend as preservative in this solution