Frequently Asked Questions

Beginners should start with short, simple workouts and gradually increase the intensity. The product recommendations and workout plans provided are intended to serve as a guide.

The optimal frequency depends on the goal and the product used. For many users, regular, relatively short sessions are more effective than infrequent, intensive treatments.

The duration of use depends on the product and the training goal. The recommended durations are described in the respective instructions.

Reactions may vary from person to person. During use, some users may feel a slight tingling sensation in their nose or airways. At higher CO₂ levels, an increased respiratory drive may occur—the natural urge to breathe a little deeper or faster. This is a normal response of the respiratory center. After use, some users report feeling more relaxed, having a clearer head, or experiencing an increased sense of energy, while others do not notice any immediate change. The intensity of these reactions varies from person to person.

When used properly, many products can be used daily. The specific usage recommendations apply.