Treating eggs, comprises transferring at least one alcohol-based dye and/or at least one alcohol-based coating agent to the egg via at least one sheet material. Independent claims are also included for: (1) device for treating eggs, comprising the sheet material provided with at least one alcohol-based dye and/or at least one alcohol-based coating agent on at least one of its side; and (2) alcohol-based dye and/or alcohol-based coating agent comprising at least one alcohol-based solvent and at least one carrier for the dye and a dye pigment and/or a dye particle in the case of alcohol-based dye or a paint component in the case of alcohol-based coating agent.