How to remove hair blockages from a shower drain?

Answer

You can remove hair blockages from a shower drain using mechanical tools like a drain snake or pliers, or by applying chemical drain cleaners or natural solutions like baking soda and vinegar.

This Old House
Last Updated:May 19, 2026

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Methods for Clearing Shower Hair Clogs

Hair blockages are a common plumbing issue, especially in shower drains. Fortunately, several effective methods exist, ranging from simple manual techniques to stronger chemical solutions.

Manual Removal Methods

For most hair clogs, manual removal is the safest and most effective first step. A drain snake, also known as a plumbing auger, is a flexible tool designed to retrieve hair and other debris. Insert the snake into the drain, twisting it as it goes, until you feel resistance. Pull it back out to extract the clog. Alternatively, long-nosed pliers or even a bent wire hanger can be used to fish out visible hair clumps near the drain opening.

Chemical Drain Cleaners

Chemical drain cleaners are readily available and can dissolve hair. These typically contain strong alkaline or acidic compounds. Pour the recommended amount into the drain and allow it to sit for the specified time before flushing with hot water. Always follow product instructions carefully and ensure adequate ventilation, as these chemicals can be harsh and produce fumes.

Natural Solutions

A less aggressive approach involves using natural household products. A mixture of baking soda followed by white vinegar can create a fizzing reaction that helps break down hair and grease. Pour one cup of baking soda into the drain, followed by one cup of white vinegar. Let it sit for at least 30 minutes, or overnight for tougher clogs, then flush with hot water. Repeat if necessary.

Important Considerations and Warnings

Avoid using chemical drain cleaners in drains connected to a septic system, as they can disrupt the bacterial balance. Never mix different chemical drain cleaners, as this can create dangerous fumes or explosive reactions. If the blockage is severe, persistent, or recurs quickly after treatment, it might indicate a deeper plumbing issue requiring professional assistance. Old or corroded pipes can be damaged by strong chemicals.

Your 5-Step Drain Unclogging Checklist

  1. Assess the Clog: Determine if the clog is near the surface or deeper by trying manual removal methods first, like using pliers or a bent wire hanger to pull out visible hair.

  2. Use a Drain Snake: If superficial methods fail, carefully insert a plastic or metal drain snake into the drain, twisting it to hook onto the hair blockage, then slowly pull it out.

  3. Apply Natural Cleaner (Optional First Try): For minor clogs or to avoid harsh chemicals, pour 1 cup baking soda into the drain, followed by 1 cup white vinegar; let sit for 30 minutes to overnight, then flush with hot water.

  4. Consider Chemical Drain Cleaner (If Necessary): If other methods are unsuccessful, use a chemical drain cleaner specifically designed for hair, following product instructions meticulously and ensuring good ventilation.

  5. Call a Professional Plumber: If the blockage persists after attempting these steps, or if you suspect a more serious plumbing issue, contact a qualified plumber to avoid further damage.

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