SKU: 17781510450

Oak Gallnut Extract - Quercus infectoria

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Description

Oak Gallnut Extract - Quercus infectoriaAlso known as oak gall, Aleppo gall, dyers gall, gallnut of commerce. Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours. Applied to textiles, oak gall nut extract

Also known as oak gall, Aleppo gall, dyer’s gall, gallnut of commerce.


Unlike the usual powder, this is a highly concentrated extract of Quercus infectoria gall nuts. With a tannin content of over 95% gallotannins, it is one of the richest natural sources of tannin available. Gallnut extract has been used for centuries in both dyeing and ink making, prized for its ability to fix, deepen, and preserve colours.

Applied to textiles, oak gall nut extract enhances dye uptake, improves both light- and wash-fastness, and allows colours to age into more complex, layered tones. It is particularly important in “galling” cellulose fibres before mordanting with alum, ensuring long-lasting durability and brilliance.

Historical Note
Gallnuts have been central to dyeing since antiquity and are mentioned in countless medieval and early modern dye books. They were also a vital ingredient in iron gall ink, the standard writing ink of Europe for more than a thousand years. Their role in natural dyeing is equally enduring, forming the backbone of tannin-based mordanting for cellulose.

Active Dye Components

  • Gallotannins (hydrolysable tannins, over 95%)

CI Colour Name
Not a dye in itself; classified as a tannin mordant/assist.

Advantages

  • Increases lightfastness: protects colours from fading in sunlight
  • Improves wash fastness: stabilises colours through repeated laundering
  • Ideal for galling: strengthens mordanting on cellulose fibres
  • Eco-friendly: sustainably sourced, biodegradable, and non-toxic

Shading Tips

  • Alone → soft beiges to grey-browns (with iron modifiers, near-black)
  • With alum mordant → clearer shades, better brilliance
  • With iron → dark greys and near-black
  • Essential as a tannin base for cotton, linen, and hemp mordanting

Light fastness: excellent (when used as a tannin base or with iron).

Source
Derived from sustainably harvested oak galls of Quercus infectoria.

Shipping Notes
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Exchange/Return Notes
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SKU: 17781510450

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Danny Goodwin
Port Orchard, US
★★★★★ 5
Very comfortable
Size: Large, Color: Black
Was surprised by the great quality.
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Reviewed in the United States on February 15, 2026
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Laura
Port Orchard, US
★★★★★ 3
Too big
Size: X-Large, Color: Black Blue Brown Heather Grey
Good cotton but too big
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Reviewed in the United States on October 4, 2025
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The Friendly Reviewer
Draper, US
★★★★★ 5
cost vs value
Size: One Size, Color: Skyway
Is it worth the price? that's a question that only you can answer for yourself. I mean, it's alpaca - which isn't exactly cheap, and it's nice and warm. The shape is a little odd - it seems a bit loose - so might be better for bigger heads or bigger hair.
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Reviewed in the United States on February 20, 2026
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MissMissy
Carnegie, US
★★★★★ 5
Cozy, Stylish, and Perfect for Cold Days
Size: One Size, Color: Merlot
This beanie is absolutely perfect! The alpaca material feels incredibly soft and plush without being itchy, and it keeps my head warm without overheating. The fit is just right — snug but not tight — and it looks great with both casual and dressier winter outfits. I also love the Merlot color; it’s rich, flattering, and adds a nice pop without being too bold. It feels well-made and holds its shape nicely after wearing. Love it!
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Reviewed in the United States on January 24, 2026
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Fabby
San Leandro, US
★★★★★ 5
Fantastic texture
Size: One Size, Color: Skyway, Size: One Size, Color: Skyway
Finally, I had found a beanie that provides the warmth of wool, without itchy-ness. Love the texture! This beanie is awesome and exceeded my expectations; definitely the most comfortable winter hat I have ever had. It is well constructed, plush, and the fit is spot on. It fits snug, providing warmth, with out suffocating or leaving marks on my forehead. Additionally, the beanie is temperature adaptive while wicking away sweat when used functionally like during snow boarding. Moreover, it versatile and stylish enough for everyday use. Highly recommend
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Reviewed in the United States on January 26, 2026

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