How to Make Towels Absorbent Again

By The Real Towel Editorial Team · 3 min read

Quick answer

Wash towels in a hot cycle with a cup of white vinegar and no detergent, then run a second hot cycle with half a cup of bicarbonate of soda. This strips away fabric softener, oil and detergent build-up that repels water, restoring absorbency. Skip softener afterwards.

Key takeaways

  • Towels stop absorbing mainly because of fabric softener, detergent and oil build-up coating the fibres.
  • A vinegar wash followed by a bicarbonate of soda wash strips the residue without harsh chemicals.
  • Use less detergent, skip fabric softener and dry towels fully to keep absorbency high.
  • Brand-new towels often repel water at first because of factory finishes, which wash out.

To make towels absorbent again, wash them in a hot cycle with white vinegar and no detergent, then run a second hot cycle with bicarbonate of soda. This two-step strip wash dissolves the build-up that stops water soaking in, leaving towels thirsty again. Below is why it works and how to keep it that way.

Why have my towels stopped absorbing water?

Towels stop absorbing because something is coating the cotton loops and blocking water. Absorbency depends on cotton fibres being able to draw water in; anything that seals the surface works against that. The usual culprits are:

  • Fabric softener. Softener works by leaving a thin, waxy, water-repellent film on fibres. That film makes towels feel plush but actively repels water, which is the opposite of what you want from a towel.
  • Detergent build-up. Using too much detergent, or detergent that doesn't fully rinse out, leaves a residue that stiffens fibres and reduces absorbency.
  • Body oils and skincare products. Lotions, oils and natural skin oils transfer onto towels and accumulate over time.
  • Hard water minerals. In hard water areas, calcium and magnesium deposits settle into the pile and dull both softness and absorbency.

The result is a towel that pushes water around your skin instead of soaking it up.

How do I make towels absorbent again with vinegar and bicarb?

This is the gentlest reliable method and uses two cheap household items. Run the washes back to back; do not mix vinegar and bicarbonate of soda together in the same cycle, as they neutralise each other.

  1. Sort the load. Wash similar-colour towels together and don't overload the drum. Towels need room to move so the water can flush residue out.
  2. Add white vinegar. Pour about 240ml (one cup) of plain white vinegar straight into the drum. Add no detergent and no fabric softener.
  3. Run a hot cycle. Wash at the hottest temperature the care label allows, usually 60°C for cotton towels. The acid in the vinegar dissolves softener film, soap residue and mineral deposits.
  4. Add bicarbonate of soda. Once the first cycle finishes, add about 120ml (half a cup) of bicarbonate of soda to the drum.
  5. Run a second hot cycle. Wash again on hot with no other products. The bicarb lifts away loosened residue and helps neutralise any lingering odour.
  6. Dry thoroughly. Tumble dry on a normal heat or line dry in good airflow until completely dry. Heat and movement fluff the pile back up and restore that soft, absorbent feel.

If your towels are very old or heavily caked, a deeper soak-based method may work better. See how to strip towels for the full borax and washing soda approach.

What about brand-new towels that won't absorb?

New towels often repel water out of the packet because of softeners and finishes applied at the factory to make them look glossy on the shelf. This is normal and temporary. Wash them once or twice before expecting full absorbency. Our guide on how to wash new towels and the FAQ on new towels not absorbing cover this in detail.

Tips to keep towels absorbent

  • Skip fabric softener entirely. It is the single biggest cause of poor absorbency. For softness without the film, use wool dryer balls or a splash of vinegar instead. See why fabric softener ruins towels.
  • Use less detergent. Most people use far too much. A smaller dose rinses out cleanly and leaves less residue.
  • Don't over-dry or under-dry. Bone-dry, over-baked towels feel scratchy; damp towels breed odour. Dry fully, then stop.
  • Wash regularly. Letting oils and products accumulate makes the next strip wash harder.

For everyday maintenance, our washing towels guide and softening stiff towels walk through routine care.

The bottom line

Towels lose absorbency because of build-up, not because they are worn out. A vinegar wash followed by a bicarbonate of soda wash strips that residue away and brings them back to life. Keep them absorbent by ditching fabric softener, using less detergent and drying them properly. If a strip wash makes no difference at all, the pile itself may simply be worn thin and due for replacement.

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