Please allow me to comment. In 100% must use 1.
Aloe Vera Gel (Heavy) 98% 2.
Alpha Arbutin (Switzerland) 2% Mixing time If you want to use 100g you need 1.
Aloe Vera Gel (Heavy) 98 g 2.
Alpha Arbutin (Switzerland) 2 g, but if you want to mix 50g, you need 1.
Aloe Vera Gel (Heavy) 49 g 2.
Alpha Arbutin (Switzerland) 1 g. For blending, add
Alpha Arbutin (Switzerland) into gel base, gel base temperature is room temperature (if refrigerated, powdery substance will be difficult to dissolve. Some types may not dissolve) and stir for 3-5 minutes and leave for 15-30 minutes and stir again. until the added powder is completely dissolved. (No floating powder found in the gel) Thank you.