Hello, if you want to calculate as accurately as possible, you should
สารกันเสีย in various ingredients Let's calculate together to see if we should need more.
สารกันเสีย much? but by the practical method If the ingredients are not used in high quantities. (There is very little water left in the formula) I usually put
สารกันเสีย by the calculation does not include
สารกันเสีย in the ingredients, however, some formulations with very high use of ingredients, for example
Pitera 80% water 20% is not necessary. must fill
สารกันเสีย or if added
สารกันเสีย will only be added to the 20% water portion, meaning that if
สารกันเสีย used must be used at the rate of 1% of the formula. 0.2% by calculating only the water part because
Pitera itself contains
สารกันเสีย is from the manufacturer.