Contains 5% Amphoteric Surfactants, 5% Chlorine based Bleaching Agents, Soap. Direction for Use. 1. Pour half the contents of the bottle down the plughole. Mr Muscle Kitchen & Bathroom Drain Gel powers through standing water, straight to the blockage. 2. Allow to work for 5 minutes. For tough clogs, leave to work longer. 3. Flush with hot water from the tap. To keep sinks and plug holes clean, use Mr Muscle Kitchen & Bathroom Drain Gel weekly.To clear slow running drains and deep clean your entire pipe, use Mr Muscle Kitchen & Bathroom Drain Foamer.