Common Cashmere Care Mistakes, and How to Avoid Them

Most cashmere damage is not caused by normal wear, but by a small number of avoidable care mistakes, often made without realising the consequence until the damage has already happened. This guide sets out the most common ones specifically, so you can recognise and avoid them with a piece you already own or are about to buy.

Mistake One: Washing in Hot Water

Hot water is one of the single biggest causes of cashmere damage, causing the fibre to shrink and felt, where individual fibres bind together irreversibly into a denser, stiffer mass that no longer resembles the original soft fabric. This damage cannot be undone once it happens. The fix is straightforward: always use cool to lukewarm water, never hot, whether hand washing or, for machine-washable pieces specifically labelled as such, using a cool, delicate machine cycle. Our full guide to washing a cashmere scarf at home covers the correct process in detail.

Mistake Two: Using a Tumble Dryer

Heat combined with tumbling action is an even more aggressive combination than hot water alone, and it is one of the fastest ways to severely shrink and felt a cashmere piece, often within a single cycle. Even a dryer's lowest heat setting carries real risk for cashmere specifically. The fix is simple but requires patience: always air dry cashmere, laid flat rather than hung, away from direct heat sources such as a radiator.

Mistake Three: Hanging a Wet Piece to Dry

Wet cashmere fibre is at its weakest and most vulnerable to stretching, and hanging a wet piece allows gravity to pull it gradually out of shape while it dries, potentially leaving it permanently longer or distorted compared with its original cut. The fix is to lay the piece flat on a clean, dry towel, reshaping it gently by hand to its original dimensions, and leave it to dry completely in that flat position rather than on a hanger or hook.

Mistake Four: Treating Normal Pilling as a Sign of Poor Quality or Ignoring It

Small bobbles, known as pilling, can form on cashmere where there is friction, such as under a bag strap or at a point of repeated contact, and this is a normal characteristic of the fibre rather than necessarily a sign of poor quality, as explained in our article on why cashmere pills. The mistake is either picking at pills roughly with fingers, which can damage the surrounding fibres, or leaving them to accumulate and worsen the fabric's appearance over time. The fix is a gentle fabric comb or a cashmere-specific de-pilling tool, used lightly and regularly, which removes pills without damaging the underlying weave.

Mistake Five: Storing Without Moth Protection

Clothes moths are specifically drawn to wool and cashmere fibres, and a piece stored carelessly, without any protection, for an extended period between seasons is genuinely at risk of moth damage, which can create holes that are difficult or impossible to repair invisibly. The fix is proper seasonal storage: clean the piece thoroughly before storing it away, use a sealed storage container or a moth-deterrent product such as cedar, and check stored pieces periodically through the off season. Our dedicated guide to storing woollens and preventing moths covers this in full detail.

Mistake Six: Using the Wrong Detergent

Regular laundry detergent is often too harsh and alkaline for cashmere's delicate protein fibre structure, and repeated washing with the wrong detergent can gradually strip the fibre's natural qualities, leaving it feeling rougher or less soft over time, even without an obvious single incident of damage. The fix is to use a detergent specifically formulated for wool or cashmere, which is gentler and better suited to the fibre's chemistry.

Mistake Seven: Wearing the Same Piece Every Day Without Rest

Wearing any single piece of clothing constantly, without allowing it to rest and air out between wears, accelerates wear at points of repeated friction and does not allow natural fibres the chance to recover their shape between uses. If you have more than one cashmere piece, rotating between them gives each piece more longevity than relying on a single favourite every single day. This is part of the reasoning behind our broader guide to how many scarves you actually need, which covers building a small, purposeful collection rather than over-relying on one piece.

Mistake Eight: Ignoring Care Label Differences Between Pieces

Not every cashmere piece has identical care requirements; some are dry clean only due to specific finishing or construction, while others are safely hand washable. Applying a single care routine to every cashmere item you own, without checking each specific label, risks damaging a piece that actually required different handling. Our broader guide to caring for cashmere explains how to read and apply a specific care label correctly for each individual piece.

Mistake Nine: Ironing Directly on the Fabric

Applying a hot iron directly to cashmere can scorch or flatten the fibre's natural loft, permanently altering its texture and appearance in the pressed area. If a piece needs to be smoothed, use a low, cool setting with a protective cloth between the iron and the fabric, or avoid ironing altogether in favour of gently reshaping the piece by hand while it is still slightly damp from washing.

Mistake Ten: Buying Without Understanding the Care Commitment

A less obvious mistake happens before the piece is even owned: buying cashmere without being honestly prepared to follow its specific care requirements. If a piece requires regular dry cleaning and you know you are unlikely to follow through, factor this into your buying decision upfront, since inconsistent care is one of the more common underlying reasons a piece deteriorates faster than its fibre quality alone would predict. Our guide to buying your first cashmere piece covers this honestly for a first-time buyer specifically.

A Simple Summary to Avoid All Ten Mistakes

• Always use cool water, never hot, for washing.
• Never use a tumble dryer. Air dry flat, always.
• Dry flat, not hanging, to avoid stretching while wet.
• Treat pilling gently with a proper comb rather than ignoring it or picking roughly.
• Store with moth protection during off-season periods.
• Use a dedicated wool or cashmere detergent, not regular laundry soap.
• Rotate between pieces rather than wearing one constantly without rest.
• Check the specific care label for each individual piece you own.
• Avoid direct ironing, using a protective cloth and low heat if pressing is needed.
• Be honest about the care commitment before buying a new piece.

Frequently Asked Questions

What is the single most damaging cashmere care mistake?

Washing in hot water or using a tumble dryer, both of which can cause irreversible shrinking and felting within a single wash or dry cycle.

Is pilling a sign that my cashmere is low quality?

Not necessarily. Pilling is a normal characteristic of the fibre, particularly at points of friction, and can be managed gently with a fabric comb rather than treated as a defect.

Can I use any detergent to wash cashmere?

It is best to use a detergent specifically formulated for wool or cashmere, since regular laundry detergent is often too harsh for the fibre's delicate protein structure.

Why is my cashmere scarf stretched out of shape?

This commonly happens from hanging a wet piece to dry, which allows gravity to pull the fabric out of shape while the fibre is at its weakest. Always dry flat instead.

How do I know if my cashmere needs dry cleaning or can be hand washed?

Always check the specific care label on each individual piece, since requirements can differ between pieces depending on their specific finishing and construction.

Care for Every Piece You Own

Read our complete guide to caring for cashmere and storing woollens properly to keep every piece in your collection at its best.