abstract |
A method for indicating the presence of grease or oil on a hard surface, in which the surface is brought into contact with a composition comprising: a. a surfactant; b. a microcrystalline, liposomal, colloidal, particulate, macromolecular, supported or soluble polydimethylene polymer; C. an organic solvent; and d. Water; in which, when the composition comes into contact with the fatty materials, e.g. eg, grease or oil, said polydiacetylene polymer changes from a first color to a second color, in variant, it changes from a first color to a colorless appearance. |