Strongly acidic foamy detergent for cleaning sanitary facilities. PROPERTIES: The composition meets the criteria of eco-labeling EC ECOLABEL; economical; easy to wash off; has a stable foam; suitable for warm surfaces; removes old limescale; removes urinary stones; removes traces of rust; removes grease and oil pollution; the product is easily biodegradable; surfactants included in its composition from renewable raw materials; does not contain components of animal origin; does not contain phosphorus; does not contain dyes; does not contain fragrances; does not contain acrylates.