* Not to wash hands before a napkin change.  Changing napkin with dirty hands can cause the considerable quantity of microbes to be brought onto its surface.
    * To store napkins in a bathroom.  In a bathroom, there is  humidity - the ideal environment for reproduction of bacteria which can easily get into napkins.
    * To disregard expiration date.  Sanitary requirements for manufacture and storage of napkins are very strict.  The less time has passed from the moment of manufacture - the more security degree is.
    * Purchase of product because of the low price.  As a rule,  cheap goods are mostly slow moving goods and involve raw materials of poor quality, less stringent test requirements and this negatively affect its properties and bear hazards to genital health.
    * To use napkins with medication, chemical components and fragrance.  Such components can cause  harm to health.
    * Not changing  a napkin for a long time.  On prolonged use of one napkin, the quantity of bacteria increases promptly.