Please allow me to answer.
Sorbic Acid soluble in Organgic Solvent and oil. but
Pitera is water, so it won't dissolve. It is necessary to use a binder or solvent, such as
Flora Solve Clear or
PEG-40 Hydrogenated Castor Oil or
Emulsifier other. Another thing is that it should be used with
สารกันเสีย and other types.
sodium benzoate is most commonly used in conjunction with
สารกันเสีย , usually no more than 0.5%. Section
Sodium Metabisulfite is used to
Antioxidant for formula ingredients. prevent discoloration Or deteriorated in.. Recommended 0.15%-0.2%
Alpha Arbutin 2% Soluble in
Pitera without problem. Add Sodium Metabisulfate 0.2%,
Disodium EDTA or Tetresodium
EDTA 0.2% to prevent turning dark