To become stiff or coarse to the touch; to feel rigid or starchy (often said of clothes, fabric, or hair).
洗濯機で乾かしたセーターがごわついて着にくい。
The sweater dried in the machine feels stiff and is hard to wear.
古いタオルはごわついて肌触りが悪くなった。
The old towel has become coarse and its feel on the skin is bad.
髪がごわついてまとまらないので、トリートメントをした。
My hair was stiff and wouldn't settle, so I used a treatment.