여성전용아로마스웨디시 What are the precautions for sphincter massage? A sphincter massage may or may not fit you. If you have dermatitis or acne on your face, it is recommended not to give a sphincter massage. This is because the skin can be irritated and the symptoms can worsen acne and skin diseases. Therefore, if you have poor skin condition, it is recommended to avoid sphincter massage as much as possible, and please follow the precautions and use it gently to reduce facial irritation.