Hello, from the formula that members have informed The structure is derived from the formula
Vitamin CE Ferulic The study team provides the following information, usually
Vitamin C plain (
ascorbic acid ) is insoluble in water. Because the quality will deteriorate in no time, the formula
Vitamin CE Ferulic contains various elements. in the right ratio and allows
Vitamin C in the formula is stable. from the test of the copyright owner of the formula As the members want mix other ingredients added to the formula. which adding these ingredients will have an impact on many aspects of the formula and affect the stability of
Vitamin C certainly in case members wish to add other ingredients in the formula. The team recommends choosing to use
Vitamin C other stable species can be found in water formulations, for example
Perfect-C ,
AA2G ,
Ethyl Ascorbic acid If you want to make a formula that can be used for both oily and dry skin. How to adjust
to mix into a medium formula suitable for normal skin. But it will result Dry skin will not be satisfied. due to insufficient moisture and oily skin is not satisfied Because I feel that it adds more oil to my skin.