How our testing works

Transparency should be something you can verify, not just something we say. So we send our finished products to independent labs, the kind accredited to recognized international testing standards, and we publish what they find. They are not us, and they have no stake in the result.

When a report says "none detected," it means the substance was below the level the lab's instruments can measure. That is not the same as a flat zero, and we would rather tell you what the science actually says than round it into a slogan. You will see the threshold on every result, so you know how sensitive the test was.

We test finished product, we publish the reports, and we retest as we go. This program is expanding across every product line, and each report names the lab that ran it, so this page will keep growing.

  • Independent and accredited

    Tested by outside labs, not in-house.

  • Finished product

    We test what ships, not just an ingredient list.

  • Published in full

    Every report is here to download, with the lab named.

Bamboo Toilet Paper & Bamboo Paper Towels

Our bamboo paper line, screened for the contaminants that matter most in paper.

Heavy metals

None detected

No detectable lead, cadmium, or mercury.

Not detected above 0.002 mg/dm²

Why we test: paper touches your hands, your food, and your skin. Heavy metals can transfer from paper and accumulate in the body, so we confirm they are not there.

SGS · Dec 2020

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Formaldehyde

None detected

No detectable extractable formaldehyde.

Not detected above 0.1 mg/dm²

Why we test: a known irritant and classified carcinogen that can be introduced during paper processing. We confirm there is no detectable residue.

SGS · Dec 2020

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Pentachlorophenol (PCP)

None detected

No detectable PCP.

Not detected above 0.05 mg/kg

Why we test: a toxic chlorinated chemical once common in paper production and now restricted in many regions. We confirm it is not present.

SGS · Dec 2020

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PFAS

None detected

No detectable PFAS across a broad panel.

Not detected above 0.010 mg/kg

Why we test: forever chemicals that do not break down and build up in the body. They are common in grease- and water-resistant paper, so we test to confirm ours has none detectable.

SGS · Jun 2023

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This program is growing

We test as fast as we responsibly can. Independent lab testing is expensive and takes time, so we roll it out in waves, starting with the products you use most and the contaminants that matter most. We would rather test fewer things properly than put a badge on everything. We add results here as they come back, and every report names the lab that ran it.

Tell us what to test next

Is there an ingredient or a product you want screened? Tell us. The most-requested tests move up the list.

*None detected means below the lab's detection limit, which is not the same as a flat zero. ppm and mg per square decimeter are units of concentration. For scale, one drop of water in an Olympic pool is about 0.01 ppm.

Our commitment

We will keep testing, keep publishing, and keep adding to this page. If we test it, you will see it here, in full.

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