Hello, the formula can be mixed. But I recommend as follows. 1. The formula may be gooey. Due to the use of many ingredients, especially
Plankton GP4G™ 1-2% is enough. Using 4% is definitely gooey. should consider using a group of ingredients
whitening Let's help more. by possibly cutting some ingredients that may not match the member's problem, for example
WaterLock due to mixed skin Probably won't have to use it.