About Lynen

Why we started checking

We didn’t set out to build an app. We set out to answer a small question: is this shirt really cotton?

It turned out nobody could tell us. The label said one thing, but labels, we learned, are wrong more often than anyone would guess. A Dutch government study put it at 41% of garments. EU inspectors who pulled clothes off shelves in 2026 found roughly the same. Baby clothes, the category where it matters most, failed one time in four.

That gap between what’s printed and what’s woven isn’t a paperwork problem. Fabric sits on your skin sixteen hours a day. If you chose cotton because your daughter’s eczema flares in polyester, and the ‘cotton’ is a blend, you made the right choice and got the wrong result. That bothered us enough to do something about it.

So we built the thing we couldn’t find: a way to point your phone at a garment and see what it’s actually made of, verified against independent testing, with sources you can check yourself. Where the science has something to say about fabric and skin, we bring you that too, in plain language, with the receipts.

We're not here to tell you what to buy. We're here to make sure that when you choose, the choice is real.