Washing or cleaning stable viscosity

Use of a combination of (a) 0.1 to less than 5% by weight of a fatty acid and / or a salt grasoy acid (b) 0.01 to less than 0.5% by weight of a (co) polymer of (meth) acrylic acid to reduce deviscosidad of a detergent or liquid cleaning agent, containing surfactant (s) and other ingredienteshabituales detergent or cleaning oscillations.