Phospholipids are essential to living organisms and play an essential role in health and nutrition due to a wide variety of functions.
Warning: last pieces available!
They also turn out to be the perfect base of substances for cosmetics. The main ingredient is probably phosphatidylcholine which penetrates the fat cell through the double layer of lipids, acting as an emulsifier/tensioactive agent.
The physical and chemical characteristics of stored lipids would therefore be altered by making them water soluble. This would eliminate them because of their incompatibility with the material stored in the fat-soluble adipolite.