Cosmetics Formulation Development

Feel free to ask about the age of the cream that you mix and use yourself. How long can it be kept? In case of using สารกันเสีย 1 % and if stored outside the refrigerator How long can the car be stored? like the cream that is sold on the shelf in the market It is not stored in the refrigerator. This one put กันเสีย how many %? thank you

Hello สารกันเสีย controlled by the FDA, all items Yes, by the FDA, there will be terms of use. สารกันเสีย , each of which will clearly be used in What is the maximum rate? This will be the highest rate that is still safe for consumers. cosmetic manufacturer will proceed as prescribed by the FDA, or in the case of use สารกันเสีย are mixed in the formula. It may be used at a lower rate than the FDA stipulated because สารกันเสีย types work together for higher efficiency. Therefore, the rate of use of each type can be reduced. Usually, if สารกันเสีย used in the formula is powerful enough. in controlling infection The infection control will continue to be effective until สารกันเสีย in the formula will deteriorate. which in general If the finished product is not placed in harsh environments will be at least 2 years old Learn more from this thread topic171.html which will discuss other aspects of formula age because b. formula age does not depend on The only disease control The formula may not be spoiled by germs. But it will be ineffective for other reasons as described in the above thread.