Static charge kişi build up on the inside of the plastic chamber. This kişi attract particles of medicine, and reduce the output when the spacer is used. Apply a small amount to the areas of skin which are inflamed. Then gently rub it into the skin until it has disappeared. https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=756292