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Can I wash sportswear with Sensitive Laundry Liquid?Updated 3 days ago

TL;DR: Sensitive Laundry Liquid suits sportswear and synthetics, so polyester, nylon, elastane, lycra and spandex are all fine. Protease works on sweat proteins and lipase works on body oils, which is what deals with the smell rather than sitting on top of it.

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Koh Sensitive Laundry Liquid bag-in-box on a laundry bench
Koh Sensitive Laundry Liquid wash results before and after

Can I wash sportswear with Sensitive Laundry Liquid?

Koh Sensitive Laundry Liquid suits sportswear and synthetic fabrics including polyester, nylon, elastane, lycra, spandex and synthetic blends. Protease works on sweat proteins and lipase works on body oils, the two things that build up in activewear. Follow the garment care label, particularly for compression gear and technical fabrics.

✓ Why activewear holds onto smells

Synthetic fibres don't take up water the way cotton does, so sweat and body oils sit on the surface and bond to the fabric. Sensitive Laundry Liquid works on that with enzymes: protease on the sweat proteins, lipase on the body oils. There's no added fragrance in the formula, so what comes out of the machine smells like nothing rather than like perfume.

Protease on sweat Lipase on body oils No added fragrance

✓ Fabrics it's built for

Polyester, nylon, elastane, lycra, spandex and the synthetic blends most activewear is made of. Follow the garment care label as well, particularly on compression gear and technical fabrics, since some carry their own wash requirements.

Polyester Nylon Elastane Lycra Spandex

How do I wash sportswear with it?

Turn garments inside out so the sweaty side meets the wash water, dose Koh Sensitive Laundry Liquid to the load size, and wash on your normal cycle in cold or warm water. Give the drum room so the load rinses properly, and hang dry rather than tumble drying to keep synthetics in shape.

Washing steps

1

Turn garments inside out so the sweaty side meets the wash water directly.

2

Dose to the load size. A normal 3 to 6 kg load takes 24 mL, which is 6 full pumps of the Laundry Pump.

3

Wash on your normal cycle, cold or warm. Hot water can knock the enzymes about and set sweat marks in.

4

Hang dry where you can. Dryer heat shortens the life of synthetic fabrics and the elastic in them.

✓ Three habits that make the difference

1

Give the drum room. Activewear needs water moving through it to rinse out properly, and an overpacked machine can't do that.

2

Don't overdose. Too much product leaves residue sitting in synthetic fibres, which makes the smell worse over time rather than better.

3

Add a rinse if a smell lingers. An extra rinse cycle shifts what a single rinse left behind.

For a load that's been sitting in a gym bag, pre-soak in a bucket with a small amount of Sensitive Laundry Liquid for 30 minutes, then machine wash as normal.


What about visible marks and stains?

Treat visible marks with Koh Stain Remover before the load goes in. Decant it into a foaming bottle, spray the stain, leave it 5 to 10 minutes, then wash as normal. Treat marks fresh rather than letting them dry in, and only on machine washable garments.

✓ Treat the mark first, then wash the load

Stain Remover goes into a foaming bottle, then you spray it straight onto the mark, leave it 5 to 10 minutes and wash as normal. Treat it fresh rather than letting it dry in, and only on machine washable garments. Then run the load with Sensitive Laundry Liquid as usual.

5 to 10 minutes Treat fresh Machine washable garments

Koh Sensitive Laundry Liquid bag-in-box

Sensitive Laundry Liquid

Around 60 washes per box. Suits polyester, nylon, elastane and blends. Sensitive Choice approved, Dermatest tested. Septic compatible when used as directed. Made in Australia.

Koh Sensitive Laundry Starter Kit

Sensitive Laundry Starter Kit · new at Koh?

Pairs Sensitive Laundry Liquid with a Laundry Pump, so counting 6 pumps for a normal load takes a second.

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Last reviewed: September 2026 · Koh Australia

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