Please allow me to answer as far as I know.
Soy Lecithin will be cemented in a formulation containing 70- 80% in the recipe, if there is a lot of water in the recipe Had to use another one to help me coordinate. if want to have
Soy Lecithin in the formula can be put in the last step. Yes, but the smell of soy lecethin is quite strong. If it's useful, please press like instead of thank you.