How to Care for Kapok and Cotton Pillows So They Stay Fresh and Full

Kapok and cotton pillows are easy to live with once you know one rule: the filling does not get washed. Wet natural fill clumps, dries slowly and can smell. Instead, a little regular care keeps it fresh and full. This routine also applies to kapok and cotton mattresses.

The weekly routine

1. Fluff it. Every few days, press the pillow from the edges towards the middle and give it a few firm shakes so the fibre spreads evenly. Kapok in particular can feel lumpy until it is fluffed; that is normal.
2. Smooth flat spots. If one area has packed down, work it loose with your fingers through the cover and redistribute the fill.
3. Wash the cover, not the pillow. Use a removable pillow cover and wash it weekly, more often in hot, humid months.

Airing: the most important habit

Natural fibres take up a little moisture from the air and from you every night. Airing lets it escape.

• Air pillows and mattresses in a shaded, well-ventilated spot for a few hours from time to time, and more often during the monsoon.
• Avoid long hours in harsh direct sunlight. A short spell of morning sun is a common household habit, but extended strong sun can dry out and weaken natural fibres and fade fabric.
• Turn and rotate mattresses when you air them so the fill settles evenly on both sides.

Keep it dry

• Do not wash, soak or steam a kapok or cotton pillow.
• If you spill water on it, blot it immediately and air it in the shade until completely dry before using it again.
• In humid weather, do not leave pillows sealed in plastic covers; moisture gets trapped.

Storing spare pillows and mattresses

Store them in a clean, dry, breathable cotton bag, never sealed plastic, somewhere off the floor and away from damp walls. Give them a good fluff and an airing before use.

Monsoon care

The monsoon is the hardest season for natural fill. Wash covers more often, keep a spare set so a damp cover is never put back on, air bedding whenever there is a dry spell, and keep the bedroom ventilated with a fan running.

What about hollow fibre pillows?

Hollow polyester fibre pillows are different: they can usually be machine washed. Our hollow fibre pillows can be washed on a gentle cycle with mild detergent, then must be dried completely before use, and plumped back into shape with a shake.

Satin and cotton covers

• Satin covers and sheets: gentle cycle, mild detergent, turned inside out away from zips and hooks, dried in the shade, ironed on low on the reverse.
• Cotton covers: machine wash; dry in the shade to protect the colour.

Always check the care label on your product; it is the final word.

When to replace a pillow

Replace a natural-fill pillow when it stays flat or lumpy even after fluffing, no longer holds your head at a comfortable height, or has a smell that airing does not remove. How long that takes depends on how it is used and cared for.

The short version

Fluff often, air in the shade, wash only the cover, keep the fill dry and store it in breathable cotton. Learn more about the materials in our guides to Ilavam Panju (kapok) and cotton pillows, or browse our pillows.

Written by the Soft Souls team and last reviewed in November 2026. We sell kapok, cotton, hollow fibre and satin bedding, so we have an interest in this topic; we have tried to say plainly where another option may suit you better. This article is general guidance, not medical advice.