If you want to make a sunscreen balm with Bisoctrizole in the formula, will you need a binder (such as WaterBalm)?
Recipe example
Touch-up Sun Balm SPF30 PA++++
(calculating sun protection by website https://sunscreensimulator.basf.com/Sunscreen_Simulator )
% Ingredients
2.5 BEMT
5 OMC
7 Bisoctrizole
20 Synthetic Beeswax
2 Polyethylene wax (Hard)
34 Silicone and fine touch powder
0.05 Protec OX
0.2 Perfume
LipidSoft Rest
thank you