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A cheap synthetic fibre often used in knitwear

about
Acrylic

Originally developed as a wool alternative, acrylic is now contributing to toxic pollution and long-term environmental harm

Acrylic is a synthetic fibre made from polyacrylonitrile, a petroleum-based polymer. It’s spun into yarns used in sweaters, scarves, socks, and blankets, sometimes blended with wool to enhance softness and affordability. However, its production involves toxic chemicals such as acrylonitrile, which is classified as a carcinogen and poses health risks to workers and potentially to consumers.

Acrylic is non-biodegradable and sheds microplastic fibres during wear and washing, contributing to persistent environmental pollution. Its limited recyclability and the toxicity associated with its manufacture make acrylic a less responsible fibre choice.

our ranking

Acrylic is banned because its environmental and health impacts from extraction to end of life

D

Banned

Banned materials are those that we strongly recommend to discontinue for use in clothing production due to their negative environmental or health impacts. These materials may be highly toxic or non-biodegradable, and may pose a risk to the environment and to workers.
best sourcing practices
recommended alternatives

How to Source Better

Acrylic

Substitutes for

Acrylic

We encourage brands to prioritise natural fibres such as organic cotton and regenerative wool, which are renewable, biodegradable, and have lower environmental impacts compared to acrylic.

If your team needs support sourcing, talk to us to find out how we can help.

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