You should not use the foc.us stimulator if you suffer from epilepsy, seizures, brain lesions, bipolar depression or severe heart disease. Immediately stop using foc.us i you experience short-term negative effects. Foc.us is not a toy and is not intended to be used by anyone under the age of 18 years old. It is not recommended to place external electrodes in un-tested or novel montages. Do not position electrodes in a manner where current may pass through the brainstem. Do not position electrodes over cuts, grazes or damaged skin. Allow at least 48 hours between each use of foc.us. Always place wet sponges between the electrodes and your skin. Do not touch the black conductive silicone electrodes when using foc.us.
Foc.us is designed to be used by healthy adults who do not suffer from epilepsy, brain conditions, have a metallic implant such as a skull plate or have implants, such as cochlear implant or pace-maker. The sole purpose of foc.us products is for cognitive gain.