The head massage stick stimulates the scalp and thus has a number of positive effects for you.
During the massage with this head massage stick, according to Traditional Chinese Medicine (TCM), nerve tracts are reactivated and the energy is restored to flow through the pleasant stimulation. The two poles "Yin" and "Yang" regain their equilibrium and so do you! The mood improves, concentration and thinking are stimulated and improved. Acupressure or massage can even improve headaches by releasing endorphins (generally better known as "happiness hormones") during the treatment. "Goosebumps", which can occur due to the pleasant irritation of the scalp, is also a completely normal and by no means unpleasant reaction.
Another person may be able to help you with the application in order to achieve an even more relaxing result for you.