How to read the list of ingredients:
Real soap is made from oils and potassium hydroxide instead of sodium hydroxide, as potassium hydroxide or potassium lye as it is also called, creates soft soap crystals. Soap therefore has a list of ingredients with INCI names that begin with: Potassium. The names indicate that the soap's content is fatty acid salts (soap) saponified with potassium hydroxide (potassium hydroxide) and the respective oil.
It is therefore not a question of a "foreign chemical" being added but simply the specific name of the soap formed and which oil/fat it is made from. In everyday speech we say soap, in "chemistry language" soap made from rapeseed oil is called: Potassium canolate. And Aqua, that's just ordinary water.
Our window cleaner contains: Contains: Aqua, Ethanol, 15-30% soap Potassium canolate (saponified rapeseed oil)
INCI name window cleaner
Sara Idenfors