hello
1. Add to the cream. Then blend until dissolved. (or stir until it melts)
2. Due to its solubility in oil which is just one of the components in the cream base It will be more difficult to do. Dissolving in water like item 1 requires blending for quite some time. A suitable blender must be used. And there is enough force for the ingredients to spread until they dissolve in the oil in the cream base. (Including using a little heat of 50-60 degrees will help it melt more easily.)
3. You can do as in number 1, but it will dissolve more difficult than Panthenol ( Pro Vitamin B5 , DL- Panthenol , Powder).