Human hair is composed of cells that are organized into three distinct layers. The three layers of hair include the cuticle or other layer, the cortex of the middle layer and the medulla or the inner layer.
To combat cowlicks apply pomade or setting gel to the spot & blow dry w/ nozzle aimed downwards. Longer hair helps weigh down cowlicks as will tiny barrettes or clips. Pulling hair into a ponytail or braids will tighten down the cowlick. Experiment until you get results.