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Can I use Sensitive Laundry Sheets on wool or silk?Updated 11 days ago

TL;DR: No. Sensitive Laundry Sheets aren't suitable for wool, silk, or cashmere. The formula contains enzymes that can weaken delicate fibres like these over time. The same applies to alpaca, mohair, rayon, viscose, and linen. For these fabrics, use a wool-safe, enzyme-free detergent instead.


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Why wool and silk need different care

Wool, silk, cashmere, and similar fabrics are delicate fibres that can break down with enzymatic detergents over repeated washes. Sensitive Laundry Sheets contain enzymes that target everyday stains in cotton and synthetic loads, but the same enzymes can act on the fibres themselves in delicate fabrics. The result is gradual weakening, thinning, or pilling. The same applies to cashmere, alpaca, mohair, rayon, viscose, and linen. Use a wool-safe, enzyme-free detergent for these fabrics, wash on a gentle cycle in cold or cool water, low spin, and dry flat away from heat.

⚠ Not recommended for delicate fibres

Wool, silk, and cashmere are delicate fibres that can break down with enzymatic detergents. Sensitive Laundry Sheets contain enzymes designed to target everyday stains in cotton and synthetic loads. With repeated use, the same enzymes can act on the fibres themselves in delicate fabrics, causing gradual weakening, thinning, or pilling.

Not for wool Not for silk Not for cashmere Enzymes can weaken

✓ What to use instead

For wool, silk, and similar delicate fibres, use a wool-safe, enzyme-free detergent. Wash cold or cool on a gentle cycle, or handwash. A mesh laundry bag protects shape, low spin reduces fibre stress, and drying flat away from heat helps the garment hold its form.

Enzyme-free detergent Cold or cool wash Mesh bag Low spin Dry flat

⚠ Other fibres to treat the same way

The same warning applies to cashmere, alpaca, and mohair, which behave like wool.

Silk and silk blends are also delicate enough to skip.

Rayon, viscose, and linen can also weaken or pill with enzymatic detergents over time.

For anything unfamiliar, spot-test on an inside seam before washing.


What if I used a sheet by mistake?

If you've washed a wool or silk garment with a Sensitive Laundry Sheet, rinse it well in cool water, then rewash with a wool-safe enzyme-free detergent on a gentle cycle. Avoid heat and tumble drying until the fabric looks and feels normal again. A single wash by mistake usually won't ruin the garment, but repeated use will weaken delicate fibres over time, so switch detergents from here on.

⚠ What to do

1

Rinse the garment well in cool water.

2

Rewash with a wool-safe, enzyme-free detergent on a gentle cycle.

3

Avoid heat and tumble drying until the fabric looks and feels normal.

A single wash by mistake usually won't ruin the garment. Repeated use is the issue, so switch detergents from here on.


Koh Sensitive Laundry Sheets

Sensitive Laundry Sheets

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Last reviewed: May 2026


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