: A small amount goes a long way. Typically, only 0.25% to 1.0% of the total weight of your liquid is needed to stabilize an emulsion or create a foam.
: Walmart carries liquid soy lecithin, often found in the health or baking aisles. Choosing the Right Form lecithin where to buy for cooking
: Best for dry mixes and molecular gastronomy. It dissolves easily and is ideal for creating light "airs" or foams. : A small amount goes a long way