Mr Muscle Power Gel Drain Unblocker 500mlSink power unblocker to destroy the toughest clogs in your drain, Blocked drain cleaner for dissolving clogs caused by debris in sinks, plugholes and pipes, 3x more effective than bleach as a pipe unblocker based on hair removal in laboratory testing, Cuts through standing water to unblock plugholes, Mr Muscle drain unblocker is safe for use on all types of pipes. Ingredients contains < 5% chlorine based bleaching agents, soap, amphoteric surfactants