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.

The downside of cotton clothing is that its colour loses intensity over time, unlike wool or polyester garments, for example. We’ve looked at the problem from every angle and tested different cotton qualities and knit types, but nothing seems to work. So, if you want to cover up a stain from deodorant, sunscreen, or hand sanitiser, or just give your garment a bit of pep back (yes, very 1990s of us), I recommend redyeing it using machine-wash textile dye.

Wait, you can redye clothes at home?

This type of dye can be found in supermarkets for common colours like navy blue and black. Sound familiar? Yes, those are the colours of 99% of our clothes! For more "unique" colours like camel or khaki, you can find dyes online. And if you can't find the exact shade to match your garment, you can always dye it a darker colour, and the result will look just as great. Just keep in mind that because the stitching thread on your clothes is synthetic, it won't change colour like the rest of the fabric—see the photo of the jeans below. If you decide to dye your khaki t-shirt navy blue, you'll end up with a t-shirt where the body is navy, but the seams remain khaki, which can look quite nice (or not, that's up to you).

Before we get to the heart of the matter—how textile dye actually works—here are our tips for preventing your clothes from fading:

  • Wash your clothes less often (easy to say for a sweatshirt or chinos, harder for a t-shirt),
  • Opt for heathered colours, as fading is less noticeable on them,
  • Try to wash your light and dark clothes separately,
  • Avoid drying your clothes in direct sunlight.

Testing different dyes: do you prefer effectiveness or eco-friendliness?

Since the composition of supermarket textile dyes is generally not very clean (which is also the case for dyes used in the textile industry), I looked for a brand offering more eco-friendly ingredients. I tested the dye from the brand "La Droguerie Écologique" because its composition complies with the GOTS organic label. I used it to dye a pair of chinos that were very streaky from fading (these were from the first generation of Loom chinos; we’ve improved significantly since then). The result after dyeing isn't perfect, and there are still a few areas that the dye didn't cover:

Teinture “La Droguerie Ecologique” Avant / Après

At the same time, I tested the Ideal brand dye on a polo shirt that had sunscreen stains. The result was much more uniform than the eco-friendly dye, and the polo came out of the machine looking brand new:

Teinture “Ideal” Avant / Après

Along with the polo shirt, I dyed an old pair of jeans that had become too faded at the knees, and the dye gave them a real new lease on life. In the photos below, you can clearly see that because the stitching thread is synthetic rather than cotton like the rest of the jeans, it didn't take the colour and remained brown:

Teinture “Ideal” Avant / Après

Based on these various tests, I recommend using:

  • If your garment is very faded: Dylon and Ideal brands, which can be found in supermarkets in the cleaning/shoe polish aisle. Their composition isn't eco-friendly at all, but they do a great job of refreshing "visually aged" clothing, which helps you avoid buying new items as often.
  • If your garment is only slightly faded: the La Droguerie Ecologique brand, available in organic stores and online.

Instructions for dyeing at home

If you don't have a washing machine at home, unfortunately, you cannot use textile dye in a laundromat. However, you can opt for hand-dyeing products from the same brands, which can be used in a basin. A container of dye costs around €7 and is enough to dye one "heavy" garment like chinos, or three "light" garments like t-shirts (or in my case, a polo shirt + a pair of jeans).

Comparatif teintures

Each dye kit includes a detailed instruction manual that explains the process step-by-step. But generally, it’s as easy as pie:

  • Place the clothes you want to dye into your washing machine, spreading them out as much as possible in the drum: avoid leaving them in a ball.
  • Open the dye packet (be careful—it goes without saying, but I’d rather be clear: the contents of the packet stain A LOT).
  • Do not empty the packet; just place it directly into your machine's drum on top of your clothes, with the opening of the packet facing upward.
  • Run a standard cotton cycle at 40°C.
  • At the end of the cycle, open your machine, remove the empty packet, add detergent, and run another standard cotton cycle at 40°C.
  • At the end of this second cycle, take your clothes out and let them dry,
  • Do not wash a load of whites immediately after, in case there are still some pigments left in your drum. Run a load of regular/coloured clothes first, and then you can safely wash white laundry again,
  • And that's it!
Who am I to be giving you advice on garment care?
My name is Claire and I am in charge of production monitoring at Loom. Basically, I try to avoid stockouts 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 standards. On top of that, I am passionate about everything that helps extend the lifespan of our clothes: maintenance, repairs, and other old-school tips. I love giving clothes a little extra soul, reworking them, repairing them, and giving them a second chance when no one else wants them. On these pages, I will try to pass on what I know that might be useful to you. One last thing: all the tips you find on this site have been personally tested by me to ensure 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.

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