Liquid-Plumr Hair Clog Eliminator gets rid of the toughest hair clogs teed, or your money back. Our powerful gel destroys hair clogs the first time with 70% more actives. Hair Clog Eliminator effectively unclogs your bathtub, shower, bathroom sink and kitchen sink, and clears slow running drains. It is also specially formulated for hair clogs, the most common reason for clogs in your drain. Its safe for all septic systems and pipes, including PVC, plastic, metal and old pipes. Do not use in toilets or garbage disposals or with Ammonia, toilet bowl cleaners or non-liquid-plumr clog removers (to avoid the release of hazardous gas). Liquid-Plumr contains able surfactants and no phosphorus. Excessive heat or cold may cause some of the ingredients in Liquid-Plumr to form clumps, but this should not affect its performance.