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Natural dyeing studio in the Machwerkhaus, Dillenburger Str. 77c, 51105 Cologne - Open House Thursdays 4 - 8 pm

Naturally Dyed Textiles for Mindful Living

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Women's T-Shirt - Fitted - for self-dyeing (stained)

€17,90

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Pretreated and ready to dye

Ideal for natural colors & DIY projects

Size:
XS

A figure-hugging women's T-shirt with a classic round neck.
Made from 100% GOTS-certified organic cotton – soft and durable.

The shirt is pre-washed and treated with a cold-treatment aluminum triformate mordant to ensure your natural dyes adhere better and last a long time. Ideal for plant-based dyes.

Photo source: Stanley Stella

You can find recipes for self-dyeing HERE

Our clothing is made from high-quality organic cotton – soft, durable and comfortable to wear.
Depending on the style, the cut can be classic, loose, or fitted. Fabric weights vary between 155 and 350 g/m².
All pieces are pre-washed, pre-treated and dimensionally stable.
After dyeing, please wash separately, preferably at 30–40°C using ecological detergent.

We use aluminum triformate – a gentle cold stain that ensures that plant dyes adhere better and shine permanently.

Our blanks come from Stanley/Stella , a pioneer for sustainable textiles in Europe.

The pieces are made from certified organic cotton, are fairly produced and durable – ideal for your DIY project or your label.

We source the goods directly, prepare them in our studio and package them plastic-free.

This keeps the supply chain short – and you know where your product comes from.


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Women's T-Shirt - Fitted - for self-dyeing (stained)

€17,90

Less design – more possibility

What are blank goods at Cosmaki?

Our blanks are deliberately kept pure. No printing, no branding.

Instead: high-quality organic basics, prepared or raw, ready for your project.

Whether for your workshop, a school project, your label or your family – at Cosmaki you will find blanks that are not “empty”, but ready : for colour, for change, for circulation.

Pickling service

Stained – what does that actually mean?

In order for plant dyes to adhere permanently to textiles, preparation is sometimes required – the so-called mordant.

Cosmaki offers you two options:

  • Unmordified: Ideal for indigo or if you want to mordant yourself
  • Stained: Prepared with a cold stain, ready to dye directly for madder, onion skin, avocado, cutch & Co.

You don’t have to know everything – we’re happy to help you choose the right one.

Ideal for …

Who uses Cosmaki Blanks?

  • Workshop participants (on site)
  • DIY fans
  • Parents & Children
  • Art & Design Students
  • Sustainable merchandisers
  • Artists and creatives

Recipes that bring color

Not sure which plant to start with? No problem.
In the Cosmaki blog you will find simple, tried-and-tested recipes for your first dyeing projects – from onion skin to madder, from gerbera to avocado.
You only need to read most of them once – then you can get started.

Origin & Packaging

Transparency from the first thread

We source our blanks from Stanley/Stella – one of the leading manufacturers of sustainable textile basics in Europe.

The pieces are made from certified organic cotton and are fairly produced – durable, high-quality and ideal for dyeing with natural dyes.

Your blanks are packaged plastic-free – in paper bags, tissue paper or envelopes.

We ship locally from Cologne, or you can pick up your order directly from the studio.