- The Rods are not recommended for people suffering from venereal diseases.
- One should not use the Rods, when under the influence of alcohol or drug intoxication. In such a case the influence of the Rods causes deterioration of condition.
- It is not recommended for people suffering from schizophrenia and other psychological disorders use the Rods.
- It is not recommended for people, that had contusion, brain contusion use the Rods-CRYSTALL.
- It is not recommended that pregnant women (especially during the initial and final trimesters) to use the Rods.
- It is not recommended for women to use the Rods during the period of menstruation
- It is not recommended to keep the Rods near electrical and electronic devices, or in contiguity with each other or with other metals.
- It is not recommended to heat the Rods or to keep on the Sun.