Hello
Phenoxyethanol SA or
Optiphen Plus is considered
สารกันเสีย The use in the formula cannot be claimed as Preservative Free. Preservative Free Please use
Mild Preserved Eco recommended at 2% (please check the formula pH to make sure not more than 8 because
Mild Preserved Eco will tolerate a maximum pH of 8, provided the formula has a high pH. than this, the efficiency of infection control will deteriorate)