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Will Stain Remover affect clothing colour?Updated 8 days ago

TL;DR: Stain Remover is bleach-free, but some fabrics can still experience colour change depending on how the dye was applied during manufacturing. Always spot test first.


Koh Stain Remover
Koh Stain Remover problem vs solution

Stain Remover does not contain chlorine or oxygen bleach. It uses enzymes and surfactants to help lift stains, which is why it is labelled colour-safe.


Why colour change can still happen

Colour loss from the fabric

In some cases, lighter patches or fading can appear after treatment. This is usually due to colour loss from the fabric itself, rather than bleaching caused by the product. Fabric dyes vary widely, and some are less stable than others.

Bleach-free formula Dye stability varies

More likely if

The dye was not fully fixed during garment manufacturing. The fabric is highly dyed, dark, or brightly coloured. The garment already had wear, fading, or heat exposure.

Unfixed dyes Dark or bright colours Worn or faded garments

How to reduce the risk

Always spot test on an inconspicuous area first. Test along an inside seam where the fabric is layered at the stitching. Follow the garment care label carefully. Do not leave the product on longer than directed. Avoid use on delicate or non-colourfast fabrics.

Spot test inside seam Follow care label Do not over-dwell

Koh Stain Remover Starter Kit

Five enzymes. Zero bleach.

Stain Remover lifts, breaks down, and banishes stains with enzyme power. Includes the Foaming Spray Bottle for targeted application.

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