Hello, the team thinks that the usage rate is 1,3-
Propanediol or
Butylene Glycol that can help dissolve
Mild Preserved Eco with water. can The rate is quite high. which may be as high as 10% or more, so it is not suitable The study team recommends choosing
Phenoxyethanol SA instead. 1,3-
Propanediol or
Butylene Glycol 3-5% level may be used
Phenoxyethanol SA only 0.5% which is very gentle, because 1,3-
Propanediol or
Butylene Glycol will increase the efficiency of
สารกันเสีย Please send to the Department of Medical Sciences to check the infection to ensure that the selection
สารกันเสีย This format is powerful enough for the formula.