OEKO-TEX

Is it chemically safe against skin?

Product
GOTS

Is it genuinely organic, farm to garment?

Organic
GRS

Is the recycled claim real and traceable?

Recycled
BSCI

Were the workers treated fairly?

Audit · not a cert

You want to launch a clothing line.

A supplier sends a PDF covered in logos.

You have no idea which ones matter.

That’s the problem.

Most founders treat certifications as a wall of badges, either impressive or ignorable. Neither is right.

Each badge answers a specific question a buyer, a marketplace, or a regulator is asking.

Learn what each one answers, and the wall turns into a checklist.

By the end you’ll know what the four big apparel certifications verify, which your buyers will actually demand, and exactly how to request and verify a certificate so nobody hands you a fake.

01 · Core literacy:

What do OEKO-TEX, GOTS, GRS & BSCI verify?

Start here. Almost every certification mix-up comes from not knowing that these four measure completely different things.

They aren’t competitors. One garment can carry all four, because each answers a separate question.

Ref. Table 01: One garment, four questions
Certification The question it answers What it covers
OEKO-TEX 100 Is this safe against my skin? Harmful substances in the finished product
GOTS Is this really organic? Organic fabric + processing + social, full chain
GRS Is the recycled claim real? Recycled content + chain of custody + social/env.
Amfori BSCI Were workers treated fairly? Factory working conditions, via audit

OEKO-TEX® STANDARD 100 product chemical safety

A product-safety label.

It confirms that every thread, button, zipper, and accessory has been tested for compliance with a comprehensive list of harmful substances and found safe for human contact.

Testing covers formaldehyde, banned azo dyes, heavy metals, pesticides, and more, with stricter limits the closer the fabric sits to skin.

One detail founders miss:

Every component must be certified, not just the fabric.

You can’t say, “The fabric in this hoodie is certified”; the claim only applies to the finished product as a whole.

STANDARD 100 also underpins many retailers’ Restricted Substances Lists, which is why big buyers accept it in place of their own testing.

2025 update:

OEKO-TEX no longer lets STANDARD 100 make “organic” or “GMO-free” cotton claims.

Organic cotton moved to a separate OEKO-TEX ORGANIC COTTON certification, and the BPA limit was tightened.

Standards update every year, so verify the current certificate; never an old screenshot.

GOTS genuinely organic, end-to-end:

The strict one for “organic.”

That word is barely regulated in most markets; anyone can print it.

GOTS closes the gap.

To carry the label, a product needs at least 70% certified organic fabric; to be labeled “organic” (not just “made with organic”), 95%.

But GOTS goes past fabric.

It covers the whole chain: farming, spinning, dyeing, finishing, trading, and banning harmful processing chemicals, and builds in social criteria based on ILO labor norms, all verified by annual third-party audits.

If your pitch is “organic streetwear,” this is what makes it defensible.

GRS recycled claims you can prove:

GRS (Global Recycled Standard), owned by Textile Exchange, does for “recycled” what GOTS does for “organic.”

A product needs a minimum of 20% recycled content to be certified and at least 50% to carry the GRS logo on the product.

It also tracks a full chain of custody and adds social, environmental, and chemical requirements.

Watch this:

Textile Exchange is merging GRS and its other standards into a new Materials Matter Standard.

If you’re building around recycled claims, track that transition so you don’t design around a label that’s changing.

Amfori BSCI: How are the workers treated?

The one founders most often misunderstand. BSCI is not a certification.

It’s a social-compliance audit program.

A factory gets audited against the Amfori BSCI Code of Conduct’s 13 performance areas covering fair pay, hours, health and safety, no child labor, and no forced labor and receives a grade from A to E, not a framed certificate.

Full audits typically run every two years.

So when a supplier says, “We’re BSCI,” ask for the audit report and the grade. An A or B report is the real signal.

The mechanics get their own section. 

02 · Product safety:

Product safety & chemical compliance basics:

§01 told you what OEKO-TEX verifies.

Here’s why you should care before a buyer even asks.

Clothing holds onto chemicals from manufacturing dye residues, finishing agents, and softeners.

Most are harmless. Some aren’t.

Compliance is about keeping the “aren’t” out of anything that touches skin.

The substances that matter most:

You don’t need a chemistry degree just to recognize the usual suspects, because these are what testing looks for:

  • Formaldehyde wrinkle-resistant and easy-care finishes.

  • Azo dyes: certain ones release banned aromatic amines.

  • Heavy metals, lead, cadmium, and others, often from dyes or hardware.

  • PFAS water- and stain-repellent finishes.

  • Phthalate & BPA plastic chemistry, common in prints and coatings.

An OEKO-TEX STANDARD 100 certificate tells a buyer these have been tested and kept under safe limits.

That’s the whole value: third-party proof, so the buyer needn’t trust your word or pay for their own lab test.

Compliance is not the same as certification:

Two different things founders blur:

  • Legal compliance = meeting the law in your selling market (REACH in the EU, CPSIA lead limits in the US). Mandatory.

  • Certification = a voluntary third-party label proving you meet a standard.

You can be legally compliant with no certificate.

But a certificate makes compliance visible and sellable; many buyers won’t take your compliance on faith.

The label is the shortcut.

The children’s-wear exception:

If you ever make kids’ streetwear, the bar jumps.

Children’s products face the strictest limits. OEKO-TEX Product Class I is the toughest tier, and a Class I report can serve as evidence for children’s lead rules.

The moment minors are involved, every safety requirement gets stricter.

Don’t touch kidswear casually.

03 · Social compliance:

Social compliance & factory audits:

Product certs prove the garment is fine.

Social compliance proves the factory is fine and that real people made your clothes under fair conditions.

For many buyers, this now matters as much as the product.

What does a social audit actually check?

An Amfori BSCI audit sends a qualified third-party auditor into the factory.

Across an opening meeting, a site walk, worker and management interviews, and a records review, they assess the site against 13 performance areas.

In plain terms:

  • Are workers paid fairly and on time?

  • Are working hours reasonable and legal?

  • Are the workplace safe exits, machinery, and fire safety adequate?

  • Any child labor or forced labor?

  • Can workers organize and raise grievances?

  • Is the factory managing its environmental and ethical basics?

Reading the result:

Remember from §01: BSCI produces a grade (A–E), not a certificate.

When you vet a supplier:

  • Ask for the full audit report, not a summary or a logo.

  • Check the grade. A and B are strong. “C” and below mean open issues plus a corrective-action plan.

  • Check the date. Full audits run ~every two years, and an old report says little about the factory today.

  • Watch for follow-ups. A factory that scored low and then improved on a follow-up is often a better partner than one that never rechecked the system’s workings.

BSCI vs SA8000 vs Sedex:

You’ll hear other names. Quick orientation:

  • Amfori BSCI audit program, E grade, very common, especially in Europe-facing supply chains.

  • SA8000, an actual certification (stricter, harder to get), run by SAI.

  • Sedex / SMETA: a widely used audit methodology and data-sharing platform.

For most new streetwear founders, BSCI is the one you’ll meet first.

You don’t need all three, just whichever your buyers recognize.

Which is the whole point of the next section.

04 · Decision:

Which certifications do your buyers actually ask for?

Here’s the mistake that costs founders money: chasing every certification because they all sound important.

You don’t need all of them.

You need the ones your specific buyers and channels require.

Everything else is an optional cost. Work backwards from who you’re selling to.

Retailers & wholesale buyers:

They usually want two proofs: the product is chemically safe, and the factory is ethical.

In practice, OEKO-TEX STANDARD 100 plus a BSCI audit report on your manufacturer.

Many large retailers accept STANDARD 100 in place of their own chemical testing, which speeds onboarding.

A “sustainable” or “organic” brand:

The claim must be certified, or it’s greenwashing and increasingly illegal to state without proof.

Organic pitch → GOTS. Recycled pitch → GRS.

Don’t print “eco” or “organic” on a hangtag you can’t back with a certificate and license number.

Big marketplaces:

Programs like Amazon’s Climate Pledge Friendly recognize specific standards; for example, a product generally needs a high share of certified GRS material to qualify for that route.

If a marketplace badge is in your plan, check its exact requirement before you produce.

Early-stage, purely direct-to-consumer:

Your customers rarely ask for certificate numbers.

Here certifications are a trust and marketing asset, not a gate.

Start with OEKO-TEX STANDARD 100, the most recognized, most affordable entry point, which signals safety without a full sustainability program.

Add GOTS or GRS only when a real claim or buyer needs it.

Don’t certify to feel legitimate. Certify because a specific buyer, channel, or claim requires it. Every certificate costs money and annual renewal, so spend it where it unlocks a sale.

05 · The actionable part:

How to request & verify certificates:

Suppliers send fake or expired certificates constantly.

Here’s how to request the right documents and confirm they’re real in minutes, for free.

What to actually ask your supplier for?

Don’t accept a logo or a photo of a label. Ask for the specific documents:

  • OEKO-TEX → the STANDARD 100 certificate with its number, valid for that material. (Valid for one year; renew annually. Check the date.)

  • GOTS → the Scope Certificate (the supplier can process GOTS goods) and, per order, a Transaction Certificate.

  • GRS → the Scope Certificate and, per order, a Transaction Certificate showing recycled content.

  • BSCI → the full audit report and grade (not a “certificate”).

Verify it yourself; don’t trust the PDF:

A PDF can be edited.

The official databases can’t. Always cross-check:

  • OEKO-TEX: Scan the label’s QR code or enter the number in the Label Check at oeko-tex.com.

  • GOTS verifies the license number and scope certificate at global-standard.org.

  • GRS checks the supplier and scope certificate in the Textile Exchange database.

  • BSCI reports are live on the amfori sustainability platform; ask the supplier to share it there.

Red flags keep digging:

No certificate number (or one that won’t verify).

An expired date.

A certificate in another company’s name they can’t explain.

A logo or hangtag photo instead of the document itself.

The phrase “BSCI certificate” is a graded report, so the wording hints at how well they understand it.

Build it into onboarding: no verified certificate in the official database, no purchase order. Ten minutes is the cheapest quality control you’ll ever run.

Putting it together:

Four questions, four certificates:

  • OEKO-TEX STANDARD 100: the product is chemically safe. Your starting certificate.
  • GOTS: The organic claim is real, farm-to-garment. Get it if “organic” is your pitch.
  • GRS: The recycled claim is real and traceable. Get it if “recycled” is your pitch and watch the materials matter transition.
  • amfori BSC: The factory treats workers fairly. Ask for the graded audit report.

Don’t collect badges.

Work backwards from your buyers and channels, get only what unlocks a sale, and verify every certificate in the official database before you spend on production.

Start with OEKO-TEX; add the rest when a real claim or buyer demands it.

That’s the whole game.

From the manual

This is one chapter of The Complete Streetwear Manufacturing Guide

These chapters cover taking a streetwear brand from idea to shipped units, costing, sourcing, tech packs, QC, freight, and launch. All written from the Sialkot factory floor.

Open The Full Guide

On the floor · Sialkot

Written by

Faizan Ahmad

Chief Apparel Technologist & Head of Manufacturing, Gibben Clothing · Sialkot, Pakistan

Faizan leads production at Gibben Clothing, a cut-and-sew streetwear manufacturer in Sialkot, with 8+ years turning raw yarn into retail-ready hoodies, tees, bottoms, jackets, tracksuits, and headwear. He doesn’t just write about clothing; he works the floor, so every guide here is grounded in real fabric behavior, QC standards, and production data from live runs.