Hello, the team may not understand the meaning of the word serum of the members. But if the members do not want the liquid formula which the team sees that members use
Glycerin Gel 3% This 3% level may not be enough. in the creation of gel If you check the usage rate
Glycerin Gel will find that the initial rate will be 10% if used lower than this. It's not a problem. But the gel texture may be very liquid for other elements in the formula no problem