The "best drain cleaners for hair" are commercial or homemade products that dissolve or remove hair clogs in drains. A common example is a liquid drain cleaner made with sodium hydroxide, a strong alkali that can dissolve organic matter.
Drain cleaners for hair are important for preventing blockages and ensuring proper drainage. They can also help extend the lifespan of plumbing systems and fixtures. A key historical development in drain cleaning was the invention of the drain snake, a flexible tool used to remove clogs.