There are varying degrees of succeptibility to hypnotic suggestions and there are three main factors controlling this degree:
Willingness/investment
Absorption and focus
Acceptability of suggestions
All three items are in the control of the hypnotist. There is no such thing as a person who can’t be hypnotized. But there are people who won’t be hypnotized by you.
For everybody else who want to be hypnotized, how susceptible they are to suggestions is a function of the hypnotists’
