How does hypnosis work?

How Hypnosis Works in the Mind

Working with your hypnotherapist during the first part of the session, you decide what changes you want to occur as part of the therapy. Hypnosis works because when a person is in a relaxed state, the conscious mind is able to bypass the critical part of the brain so that the hypnotherapist can make the decided upon suggestions directly to the unconscious mind to facilitate change work.

This is a great video to help explain how hypnosis works.