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Can I add a fabric softener to the wash?Updated 4 days ago

TL;DR: You can add a fabric softener if you'd like to. Sensitive Laundry Liquid is formulated with cellulase, an enzyme that helps natural fibres keep their as-new feel and stay softer for longer, so plenty of people find they don't need a separate softener. It's your call either way.

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Koh Sensitive Laundry Liquid bag-in-box with product highlights
Koh Sensitive Laundry Liquid being dosed into a washing machine

Can I add a fabric softener to the wash?

You can add a fabric softener to the wash if you'd like to. Koh Sensitive Laundry Liquid is formulated with cellulase, an enzyme that helps natural fibres keep their as-new feel and stay softer for longer, so plenty of people find they don't need a separate softener. If you use one, put it in the machine's softener compartment.

✓ It's your choice

Nothing in Sensitive Laundry Liquid stops you adding a fabric softener. Some people like the scent, some like the feel on towels, and both are fair reasons. If you'd rather skip it, you're not missing a step.

Optional Your preference

✓ What cellulase does

Cellulase is one of the enzymes in the formula. It works on the tiny loose fibres that build up on natural fibres wash after wash, which is what helps cotton keep its as-new feel and stay softer for longer. That's why a lot of customers stop reaching for a separate softener.

Cellulase Natural fibres Softer for longer

Where does the softener go?

Put fabric softener in your machine's softener compartment, which is usually the one marked with a flower or a star, so it releases during the rinse. Koh Sensitive Laundry Liquid goes in the main detergent drawer or straight into the drum. Keep the two in separate compartments.

✓ Two compartments, not one

  1. Dose Sensitive Laundry Liquid into the main detergent drawer, or straight into the drum before you load. A normal load of 3 to 6 kg takes 24 mL, which is 6 full pumps of the Laundry Pump or the 24 mL marker on the Laundry Dosing Cup.
  2. Put the softener in the softener compartment, usually marked with a flower or a star. Your machine holds it back and releases it during the rinse, which is where softener is meant to act.
  3. Follow the softener manufacturer's dose. It's their product, so their instructions apply.

Keeping them in separate compartments is just how the machine is designed to run. It's the same advice you'd get for any detergent.


What if the washing still feels stiff?

Stiff washing is usually about load size, dose and drying rather than the detergent. Give the drum room, dose Koh Sensitive Laundry Liquid to the load size, shake items out before they go on the line, and bring towels in before they dry bone hard in the sun.

✓ Three things to try first

  1. Give the drum room. An overpacked machine can't rinse properly, and washing that hasn't rinsed out feels stiffer no matter what you put in it.
  2. Match the dose to the load. 16 mL or 4 pumps for a small or lightly soiled load under 3 kg, 24 mL or 6 pumps for a normal 3 to 6 kg load, 40 mL or 10 pumps for a large or heavily soiled load over 6 kg.
  3. Shake things out before they dry. A quick shake as you hang each item, and bringing towels off the line before they go bone hard in full sun, does more for the feel than anything you add to the wash.

If it's still not right after those three, hand us the details and we'll work through it with you.


Koh Sensitive Laundry Liquid bag-in-box

Sensitive Laundry Liquid

Around 60 washes per box. Formulated with cellulase to help natural fibres stay softer for longer. Sensitive Choice approved, Dermatest tested. 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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Koh Perks · earn points on every order

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Last reviewed: September 2026 · Koh Australia

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