Aqueous solution

An aqueous solution containing:

• a) between 0.1% and 5% by volume of a whey selected from the group comprising:
• sweet whey, acid whey, or combinations thereof,
• b) between 10% and 85% by volume of water glass selected from the group comprising:
• sodium water glass, potassium water glass, or combinations thereof,
• c) a solvent containing water,
• d) between 0.001% to 5% by volume of at least one first modifying agent, the at least one first modifying agent being selected from the group comprising:
• surface-active substances, natural surfactants, synthetic surfactants, anionic surfactants, cationic surfactants, amphoteric surfactants, sugar surfactants, alkyl polyglycosides, soaps, emulsifiers, saponins, saponins obtained from Sapindus mukorossi, saponins obtained from Quillaja saponaria or combinations thereof, and
• e) between 5% to 50% of at least one second modifying agent, the at least one second modifying agent selected from the group comprising:
• saccharides, alditols, carboxylic acids and their salts and esters, polyhydroxycarboxylic acids and their salts and esters, sugar acid, sugar esters, binders, cellulose, natural wax, synthetic wax, plant wax, mineral wax, stearin, paraffin, natural resin, synthetic resin, natural oil, synthetic oil, chemically modified natural wax, chemically modified synthetic wax, natural wax that is saponified or emulsified in water, synthetic wax that is saponified or emulsified in water, chemically modified natural resin, chemically modified synthetic resin, natural resin that is saponified or emulsified in water, synthetic resin that saponified or emulsified in water, chemically modified natural oil, chemically modified synthetic oil, natural oil that is saponified or emulsified in water, synthetic oil that is saponified or emulsified in water, beer, casein, a thickening agent, talc, chalk, sawdust, sand, fine sand, quartz sand, pigments, natural rodenticide, synthetic rodenticide, insecticide, or fungicide.