Formulations
Mixture w/ a useful product - consumer products etc.
Medicine - 5-10% drug; rest is colourants, sweeteners etc.
Paints - Pigments (colour), Binders (to objects), solvent (incr. spread)
Washing liquids - Surfactent (detergent), Water (runs better),
colour/fragrance Additives (appeal), rinse agent (easy to rinse off)