We recommend that you use formula calculator. Why?
As the accuracy of professional skin and hair care products is crucial, instead of volumetric measures (cup, drops, teaspoons, ml, ounces) we use weight (g).
The formula is drafted using % and we can then convert this to any batch size using the downloadable calculator below.
Don’t forget to add an extra 10% water to take account for water evaporation during the 20 minute heat and hold period for the water phase!