How to Remove Pilling from Sweaters: The Complete Guide

Those small, fuzzy balls that appear on a favourite jumper after a few wears can make even a brand new sweater look tired and old. Pilling happens to almost every knit eventually, but the good news is that it is usually fixable at home with the right tool and a little patience.

This guide covers the best methods for removing pilling by fabric type, which tools to avoid, and how to reduce how often it happens in the first place.

Quick Answer

Remove sweater pilling with a fabric comb for delicate fibres like cashmere and merino wool, or a fabric shaver for tougher fabrics like acrylic and cotton blends. Lay the garment flat, work in short gentle strokes, and always test an inconspicuous area first, since some methods are too harsh for finer knits.

Why Sweaters Pill in the First Place

Pilling happens when the surface fibres of a fabric rub against something, another garment, a bag strap, upholstery, and break loose from the weave. These broken fibres then tangle together into small balls, commonly called pills, bobbles or fuzzballs. Almost all fabrics pill to some degree with normal wear, though wool, acrylic and other synthetic blends tend to pill more visibly than tightly woven fabrics like dense cotton.

Best Tool by Fabric Type

Using a Fabric Comb

A fabric comb, sometimes called a sweater comb, is a small handheld tool with fine teeth that gently pulls pills away from the fabric rather than cutting them off. This makes it the safest option for delicate fibres like cashmere and fine merino wool, since combing removes the entire pill including its root, reducing the chance of the same spot re-pilling quickly. Work slowly and gently, holding the fabric taut, and always comb in the same direction to avoid snagging the weave.

Using a Fabric Shaver

An electric fabric shaver, also known as a lint or fuzz remover, glides over the fabric surface and trims away pills quickly using a small rotating blade. This method is faster than combing and works well on sturdier fabrics like acrylic, cotton blends and heavier outerwear, but it carries more risk of nicking delicate knits if used carelessly, so it is generally better suited to tougher materials than to fine cashmere or merino.

Using a Sweater Stone

A sweater stone is a lightweight, pumice-like tool with natural micropores that catch and lift pills when gently rubbed over the fabric in short strokes. It sits somewhere between a comb and a shaver in terms of gentleness, making it a reasonable middle-ground option for standard wool sweaters that are sturdier than cashmere but still benefit from a gentler touch than a shaver provides.

Quick Fixes: Lint Roller and Razor

For light, surface-level pilling, a sticky lint roller can pick up loose fibres quickly, though it will not tackle pills that are still firmly attached to the fabric. A safety razor, used with extreme care and a very light touch, can trim visible pills in a pinch, but this method carries real risk of cutting into the fabric itself if the blade angle or pressure is even slightly wrong, so it works best as an occasional quick fix rather than a primary method.

Methods to Avoid

Sandpaper is one of the least effective and riskiest methods, since it is difficult to control with the gentle pressure delicate fabrics require, and the risk of damaging the garment’s weave is high for very little benefit. Plain tape or a basic lint roller alone will only pick up the loosest surface fuzz and does little for pills that are properly attached, making it unsuitable as a standalone solution for moderate to heavy pilling.

Preventing Pilling Before It Starts

Turning sweaters inside out before washing reduces the friction that causes pilling during the wash cycle itself. Using a gentle or delicate wash cycle, and avoiding washing knitwear alongside rougher fabrics like denim or items with zips, also helps minimise the surface abrasion that leads to pilling. Hand washing or using a mesh laundry bag offers even more protection for particularly delicate or expensive knits.

Expert Insight

Textile specialists often explain that pilling happens because broken fibres tangle together rather than falling away cleanly, which is exactly why combing tends to outperform cutting methods for delicate fabrics. When a pill is cut rather than pulled out at the root, the remaining frayed thread ends are simply left in place, ready to tangle into a new pill again fairly quickly, whereas combing removes the loose fibre entirely.

Frequently Asked Questions

What is the best tool to remove pilling from a cashmere sweater? A fabric comb is the safest choice for cashmere, since it gently pulls pills out at the root rather than cutting them, reducing both damage risk and how quickly the same area re-pills.

Can I use a razor to remove pilling? Yes, but with extreme care. A safety razor can trim visible pills quickly, but even slight pressure or angle errors risk cutting into the fabric itself, so it is best reserved for small, occasional touch-ups rather than treating an entire garment.

Why does my sweater keep pilling in the same spots? Areas exposed to the most friction, such as under the arms, along seams, or where a bag strap sits, tend to pill repeatedly. Cutting rather than combing pills away can also leave frayed fibre ends that quickly tangle into new pills in the same spot.

Does pilling mean a sweater is low quality? Not necessarily. All fabrics pill to some degree with normal wear, and even high-quality natural fibres like wool and cashmere can pill, particularly in high-friction areas. Heavy, persistent pilling across the whole garment can sometimes indicate a lower-quality or loosely woven fabric.

How can I stop my sweaters from pilling as much? Turn sweaters inside out before washing, use a gentle wash cycle, avoid washing them with rougher fabrics like denim, and consider hand washing or a mesh laundry bag for particularly delicate or expensive knits.

Quick Method Comparison Table

Pilling is a normal part of wearing knitwear, not a sign your sweater is ruined. With the right tool matched to the fabric, a tired-looking jumper can look refreshed again in just a few minutes.

For more on caring for your winter wardrobe, see our guide to how to store winter clothes properly.