No, silk is not vegan, and peace silk does not change that. Silk is a protein fiber spun by silkworms, and the “ahimsa” or “peace” label it is sold under is a term no certification scheme defines. A silk retailer’s own explainer says eri silk is rarely harvested without stifling the pupa.
The name does not even stay attached to one insect. A textile reference says eri is the silk most often sold as “ahimsa” or “peace” silk, because its moth leaves the cocoon. The Ethical Silk Company applies the same words to mulberry silk, describing its own as mulberry silk “often referred to as peace silk or Ahimsa”. Two kinds of silk share one soothing label, and no scheme decides which of them has earned it. When a tag says peace silk, you are reading a promise from whoever printed the tag.
Why silk isn’t vegan
In conventional production, the intact cocoon is harvested with the silkworm still inside. Then the cocoons are boiled, killing the silkworm, and the same hot water strips out the sericin gum. It takes roughly 2,500 cocoons to produce a pound of raw silk. By our own conversion, that is 2,500 cocoons for about 450 g.
Peace silk only changes the boiling step. The fiber is still obtained from silk-secreting insects. The Vegan Society’s trademark standards say the manufacture of a product and its ingredients must not involve the use of any animal product, by-products, or derivatives. Whether the worm survives does not move silk out of that category.
The silk scarf is the easy one. The Vegan Society notes that silk and wool are often used as lining or padding inside handbags and jackets, where they are easy to forget. I have stood in a shop reading the outer fabric of a coat, feeling thorough, and didn’t once turn it inside out. A bag with a vegan leather outer can still be lined in silk, so the outside settles nothing on its own.
Does peace silk make it vegan?
A silk seller explains that it is technically possible to spin the silk without stifling the pupa, and that true peace silk is called Ahimsa silk, a Sanskrit word meaning “without injury or harm”.
Shoppers who buy it argue that if the moth leaves the cocoon first, the harvest kills nothing, and an empty cocoon is a different object from a boiled one. On that reading, peace silk is closer to picking up something an animal has finished with than to farming it.
Vegans who refuse it start from the definition. The Vegan Society describes veganism as seeking to exclude all forms of exploitation of and cruelty to animals for clothing among other purposes, and an insect raised for its fiber is being used whether or not it dies at harvest. Then there is the shelf. The same seller that explains Ahimsa silk answers its own question about eri bluntly: harvested without stifling the pupa? “Rarely.” Very little Ahimsa silk is produced, and what there is is very expensive. It also points out that the moth, if allowed to emerge, cannot eat, because it lacks the necessary digestive parts.
Our line at veganpots.com is that peace silk is not vegan. It is still an animal fiber with no scheme standing behind the term. And a garment tag gives you no way to tell the rare unstifled cocoon from the ordinary kind.
Silk and the alternatives, compared
| Material or product | What it is | Vegan? | The catch |
|---|---|---|---|
| Conventional mulberry silk | Cocoons boiled with the silkworm inside | No | The kill is part of the process |
| Eri silk sold as “ahimsa” or “peace” | Insect silk, most often the fiber sold under that name | No | Rarely harvested without stifling the pupa, per a silk seller |
| The Ethical Silk Company mulberry silk | Mulberry silk, fibers extracted after the moths leave, per the brand | No | Still silk, whatever the harvest |
| ettitude PLNTsilk | Plant-based, made from the brand’s CleanBamboo lyocell | Plant fiber, per ettitude | Listed as sheet sets, pillowcase sets and duvet covers |
| TENCEL or VEOCEL lyocell (Lenzing) | Cellulose from wood or cotton scraps, dissolved in NMMO | Plant fiber | A fiber name, not a finished item |
The Ethical Silk Company says it uses only peace silk, “ensuring that our production is cruelty-free”. That is a claim about how the moth was treated. It says nothing about whether the silk is vegan, and it isn’t. If you are vegan, do not buy it, however kind the copy sounds.
What to buy instead
For bedding, our pick is ettitude PLNTsilk. The brand describes it as a plant-based alternative to traditional silk made from bamboo lyocell, and it is aimed squarely at the silk pillowcase shopper. The flaw is range. The products named on its page are sheet sets, pillowcase sets and duvet covers, so if you came here wanting a silky blouse, you are back to reading fiber labels. Ignore the environmental percentages on the same page when deciding; they are the seller’s figures about its own process.
For clothing, look for lyocell on the fiber label. Lenzing markets its lyocell under the TENCEL and VEOCEL brands and makes it by dissolving wood pulp and regenerating cellulose fibers from it. The catch is that a fiber name covers the fiber and nothing else. Check the thread and the lining separately.
Polyester satin is the other route, and it carries its own trade-offs, which we cover when asking whether polyester is vegan. For bags, check how long the outer will survive before you commit; our look at how long vegan leather lasts is the place to start.
How to check a label yourself
Read the fiber content, then turn the item inside out and read it again for the lining. The word “silk” on a label sold in the EU has a legal meaning: fibre obtained exclusively from silk-secreting insects. EU rules also bar “silk” from being used to describe the look of a continuous filament yarn of another fibre, so a satin made of something else should name that something else.
Words like “peace” and “ahimsa” next to the word silk describe the harvest, not the material. “Cruelty-free” on a silk tag works the same way. Silk with any of those words beside it is still silk.
The mark that does settle it is the Vegan Trademark, which can only be applied to a product that fully complies with the Vegan Society’s certification standards. If a brand claims registration and you can’t find the mark, the standards document lists a fashion contact at [email protected] you can ask.
If the label says silk, peace or otherwise, put it back and reach for lyocell, or for polyester once you have read our polyester verdict.
Sources
- Silk definition, eri sold as peace silk, no certification defines the term, EU labelling rules
- Eri rarely harvested without stifling; Ahimsa meaning; cost; moth cannot eat
- The Ethical Silk Company calling its mulberry silk peace silk and cruelty-free
- Conventional process: cocoons boiled with silkworm inside; 2,500 cocoons per pound
- Vegan Trademark standards, definition of veganism, fashion contact
- Silk used as hidden lining or padding in bags and jackets
- PLNTsilk is bamboo lyocell, listed as bedding
- Lyocell made from wood pulp cellulose, TENCEL and VEOCEL brands
