Hello
L-ascorbic acid is insoluble in Glycol,
Glycerin or low solubility 20% thawing will not be possible. and there will be sediment left in the formula
ซิลิโคน can not dissolve.
L-ascorbic acid , please advise members to use powder
Vitamin C Ultra-Fine spread in an aqueous gel like
Silicone Gel Powder It can be suspended in the gel. But the powder will not dissolve in the formula. but will dissolve on the skin When applied to the skin (It may take a little time to dissolve with moisture from the skin)