This article was originally written in French, our native language. Apologies in advance if anything reads a little awkwardly – you can write to us at hello@loom.fr to help us improve our translations.

In this article, we explain what causes pilling and how to effectively remove it using low-tech methods.

If you’ve ordered from us before, you might know that one year after your purchase, we send you an email to ask how your garment is holding up and, most importantly, if you’re still wearing it. Sometimes, you tell us you don’t wear your sweaters anymore because they’ve started to pill... and nothing saddens me more (except perhaps gargoyles or towel warmers) because with the right tools, you can remove pilling super easily. And that’s what I’m going to show you in this article.

Why does your sweater pill?

Pilling appears in areas subject to friction, such as under the arms, on the lower back (if you frequently carry a backpack), or on your collars (if you have a beard). The reason? Friction causes the tiny fibres protruding from the knit to tangle together, forming pills. Illustration:

Schema-bouloche
This is the surface of your sweater, and the little lines sticking out are the fibres that will turn into pills.

The good news is that the more you remove the pills, the less they reappear. That’s right—de-pilling removes some of the tiny fibres that cause the pills to form in the first place. When there are no more fibres left, there’s no more pilling possible!

At Loom, to minimise pilling on our sweaters, we follow a two-step process:

  1. We only select long-staple wool — because they have fewer protruding fibres.
  2. We test every selected wool in the lab (using the Martindale test) to see how it resists friction. This allows us to exclude those that pill too much.
martindale

The agony of the Martindale test — worse than a bout with Cylindric the German.

The real challenge then is finding the best balance between a fluffier wool that is soft but more prone to heavy pilling, and a coarser wool that pills very little but is less comfortable.

Testing de-pilling methods

A quick search online will reveal a bunch of tools for removing pills, from electric fabric shavers to specialised combs. But do all these methods actually work? And which one is the most effective? The most eco-friendly?

To answer our questions, we were lucky enough to meet Carole, a brilliant person who is always trying out all sorts of things, from studying recruitment biases to designing a quiz dedicated to puns. One of her projects is the "pilling project." She was tired of having to buy electric fabric shavers made in China to remove pills, so she decided to repurpose everyday objects to see what works best.

Le banc de test de Carole : 1 - peigne à poux, 2+3 - rasoirs et tondeuses électriques, 4 - éponge côté abrasif, 5+9 - gants de gommage, 6+8+11+12+13+15 - rasoirs anti-bouloche électriques, 7 - brosse anti-bouloche, 10 - gant en caoutchouc, 14 - rasoir jetable, 16 - pierre à déboulocher
Carole’s test bench: 1 - lice comb, 2+3 - electric shavers and trimmers, 4 - abrasive side of a sponge, 5+9 - exfoliating gloves, 6+8+11+12+13+15 - electric fabric shavers, 7 - lint brush, 10 - rubber glove, 14 - disposable razor, 16 - sweater stone

She tested every object she thought might be relevant and rated them based on 6 criteria:

  • Does it actually remove the pills?
  • Does it damage the garment?
  • Is the de-pilling process quick?
  • Is the object durable, or do you have to buy a new one every 6 months?
  • Is it locally made?
  • Can it be used for other purposes?

Here are the most interesting results from her comparison:

tableau comparatif des méthodes de déboulochage

Forget about sweater stones and lint brushes: tests showed that they are ineffective and damage the knit (perhaps they work better on wool fabrics like coats? We’ll test that one day). The same goes for disposable razors and abrasive sponges.

Lice comb or electric fabric shaver?

So, which is better? Actually, it depends on what you’re looking for.

For Carole, who is trying to own fewer things, the lice comb is her ideal solution: it’s small and multifunctional (unless you don’t have children at home, or you’re incredibly lucky that they’ve been spared by that playground scourge). Even though it takes a bit longer to use than an electric fabric shaver, she prefers it because it’s a "low-tech" tool. It’s a simple device that isn't likely to break after 10 minutes of use, consumes few resources, and isn't manufactured on the other side of the world in mega-factories that aren't necessarily concerned about people or the environment.

You can find them in any pharmacy. To remove pills using this method, simply comb your sweater while holding the comb parallel to the knit, and it will pull the pills off just like pesky nits.

GIF animé

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As for me, since patience isn't my greatest virtue, my preferred solution is the electric fabric shaver. Granted, it’s neither a low-tech nor a multifunctional solution, but if you pay attention to certain details when choosing a good electric shaver (which I detail below), you’ll keep your device for many years without any issues.

martindale

The electric fabric shaver in action.

Be careful not to press the fabric shaver too hard against your garment, especially on textured knits. This is the case, for example, with the tops of our socks, which are knitted in a honeycomb pattern; the stitches can get caught in the shaver if you press too hard. The blade could then cut a thread and create a hole.

How to choose a good electric fabric shaver

If this article has inspired you to buy an electric fabric shaver, we recommend keeping the following points in mind:

  • No battery: opt for a corded model, as the batteries in these types of devices wear out too quickly. And make sure to choose one with a plug compatible with your region.
  • Customer reviews: not all electric shavers are created equal, so I recommend relying on customer reviews and choosing the device with the highest rating.

I am particularly satisfied with the Beautureal fabric shaver at €29; unfortunately, it is only available on Amazon, which we find disappointing, as well as the Solac fabric shaver, which can be found at Darty, where the price fluctuates between €24 and €50 depending on the time of year. On the other hand, I would advise against the Philips shaver , as its battery became extremely weak in less than two years. I cannot stress this enough: prioritise shavers that plug into a mains socket to extend the product's lifespan.

Unfortunately, there is no information available regarding the country of manufacture for the two electric fabric shavers we recommend (it is not indicated on the brand's website, the packaging, or the manual...). Since most other shavers come primarily from Asia, we assume the same is true for these two models. If you know of an electric fabric shaver made in Europe, let us know!

The Pilling Gang

If you have read this article to the end, you are now officially part of the pilling royalty. You will find that once you have the right tools, you will want to de-pill everything you can get your hands on: rugs, curtains, t-shirts, socks… Throwing away a product just because it is covered in pills will no longer be an option ;-)

martindale

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Who am I to talk to you about garment care?
My name is Claire and I am in charge of production monitoring at Loom. Basically, I try to avoid stock shortages on our site (well, it’s not perfect yet, but I’m working on it) and I ensure throughout the manufacturing stages that the clothes meet our quality requirements.
Beyond that, I am passionate about everything that helps extend the lifespan of our clothes: maintenance, repairs, and other tried-and-true tips. I love adding a little extra soul to garments, reworking them, repairing them, and giving them a second chance when no one else wants them. On these pages, I will try to share what I know that might be useful to you.
One last thing: I have personally tested all the tips you will find on this site to make sure they actually work (in other words, this isn't just a copy-paste job from internet searches). If you have any new ones to suggest, don't hesitate to leave a comment below this article.
"Long-staple" wool is more expensive because 1) it is rarer: only certain sheep breeds, like Merino, produce it, and 2) it requires longer processing and combing. That is why, generally speaking, you can assume that an inexpensive wool sweater = short fibres = lots of pilling.

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