The SURFACE OF ACTIVITY IS IN THE FORM OF FILM. The FILM has AN ACTION AGAINST SURFACE MICROORGANISM OR CAN HAVE CLEANSING EFFECT; Films may be OCCLUSIVE and provide MOISTURIZING EFFECT by diminishing loss of moisture from the skin surface. The film formation may have PROTECTIVE PROPERTY also (such as zinc oxide and sunscreen). IF film has an ANTI-MICROBIAL EFFECT: vehicle must facilitate contact betw. the surface organism and active ingredient.