Wet the cowlick area and blow-dry it in the opposite direction while brushing it flat
Use a strong-hold styling product on damp hair before drying
Train the hair daily by combing it into place and drying it consistently
Change your part to work with the cowlick instead of against it
Use a flat iron on small sections if your hair type allows it
Ask a barber or stylist for a cut that blends the cowlick better
Keep the hair slightly longer or shorter depending on what controls the swirl best
Use hairspray or finishing spray to hold the shape in place
Avoid cutting the area too short if it makes the cowlick stand up more
Consider wearing the hair in a style that naturally hides the cowlick