1. Prevent hair loss, dirtying the pool water, maintain cleanliness of the pool water, and ensure that hands do not get tangled with hair while swimming.

2. After wearing a swim cap, there is less resistance.

3. A plastic swimming cap can prevent excessive contact between hair and pool water. There is chlorine bleach in the pool water, which can harm hair. If you swim frequently without a plastic swimming cap, your hair will dry and turn yellow.

4. Wearing a swim cap while swimming is a basic equipment and also a basic courtesy, especially for women with long hair. Their hair will not float back and forth in the water and is not easily pulled off.

5. In winter, it can keep warm and provide good insulation for the head. Why do I have to wear a swim cap when swimming