When it comes to bathroom drains, hair is your worst enemy. Zep Commercial 10 minute hair clog remover goes to work fast to clear hair clogs in 10 minutes or less. The gel formula pours through standing water and is safe for all pipes and or use with septic systems. Hair clog removerLiquid drain openerFast actingProfessional strengthWill not harm metal or plastic plumbingSafe for septic systemsLiquid 10 Minute Hair Clog Remover Gel opens the most severely hair-clogged sinks, tub and shower drains and restores flow. Contains a hair dissolving formula and specially selected ingredients. Will not harm metal or plastic plumbing.