[. . . ] Place the shaving head on the skin and move it slowly against the direction of the hair growth. [. . . ] Place the shaving head on the skin and move it slowly against the direction of the hair growth. Do not use any corrosive detergents, scouring pads or cloths, petrol, acetone etc. Lubricate the shaving foil with a drop of sewing machine oil twice a year. Com or contact the Philips Customer Care Centre in your country (you will find its phone number in the worldwide guarantee leaflet). If there is no Customer Care Centre in your country, turn to your local Philips dealer or contact the Service Department of Philips Domestic Appliances and Personal Care BV. [. . . ] Com or contact the Philips Customer Care Centre in your country (you will find its phone number in the worldwide guarantee leaflet). [. . . ]