Definition of craniosacral therapy craniosacral therapy is a gentle way of working with the body using light touch people sometimes ask about the name craniosacral therapy and think it only refers to the head in fact craniosacral therapy works with the whole person and changes may occur in body mind and spirit during and after sessions when a craniosacral therapist places his hands lightly on you he is using them to listen to you in much the same way that a counsellor might listen to yo