Hello, the usage rate of various active ingredients, members can check the usage rate from product detail page The total proportion of active substances in the formulation is not fixed. Must be looked at as appropriate, for example, if it is some active ingredients that can be used at a high rate. Without causing greasy skin, for example
Pitera can also be used at a high level. other until there may be a small proportion of water left in the recipe but if it is a sticky mixture when used at high rates, for example
Vitamin B5 When used in amounts up to 4-5%, it may make the formula feel gooey and passable. As a result, additional active ingredients cannot be added to the formula.