Merc Cotton is OEKO-TEX® STANDARD 100 Certified: Because Trust Should Never Be Optional

Every strand of Merc Cotton yarn carries a promise before it ever reaches your hands: the promise of safety. Whether it’s crocheted into a baby blanket, knitted into a sweater, or worked into the countless creations that pass through loving hands every day, we are proud to hold OEKO-TEX® STANDARD 100 Certification, one of the most rigorous and globally trusted textile safety standards in the world. This certification tests against a list of more than 1,000 harmful substances, so that what touches your skin, and the skin of the people you love, is never a compromise.

We know that behind every skein of yarn is a real hand that will crochet it, knit it, or weave it into something meant to be held, worn, gifted, and loved. A real child who might wear what’s made from it. A real family trusting that what they bring into their home, stitch by stitch and row by row, won’t harm them. That’s not a marketing angle; that’s the weight we feel every day. Babies. Children. Sensitive skin. Makers who pour hours of care into every project. People who deserve better than “probably fine.” OEKO-TEX® certification exists precisely because “probably fine” was never good enough, and neither is it good enough for us.

When you choose Merc Cotton, for crochet, for knitting, or for anything your hands can imagine, you’re not just choosing a yarn. You’re choosing a chain of accountability that stretches from the farthest reaches of raw fiber sourcing to the final thread in your hands, verified, tested, and independently certified safe, batch after batch, order after order, without fail.

Merc Cotton | Our Yarns are Internationally Tested, Verified, and Certified as 100% Cotton Yarns by AITEX, Spain (Centro de Investigación e Innovación / Research & Innovation Center)

Merc Cotton. Certified safe. Crafted with care. Made for crochet, knit, and everything in between. Trusted without question.


MERC COTTON Officially Licensed to Carry the Iconic Seal of Cotton Trademark

At MERC COTTON, we are 100% cotton and we have the seal to prove it. We are proud to officially carry the Seal of Cotton trademark, a globally recognized trademark introduced in 1973.

MERC Cotton has officially been granted license to use the iconic Seal of Cotton trademark from Cotton Incorporated. Introduced in 1973 and recognized around the world, this trademark is the ultimate symbol of trust andauthenticity. Earning the right to carry this seal is a testament to our unwavering commitment to quality and a celebration of more than 50 years of cotton heritage.

We are incredibly proud to announce that MERC COTTON has officially acquired rights to use the iconic Seal of Cotton trademark from Cotton Inc.

At MERC COTTON, we are 100% cotton. Earning the right to carry this seal is a testament to our unwavering commitment to quality and a celebration of more than 50 years of cotton heritage.

When you see this mark on our products, you are guaranteed 100% pure cotton, backed by over 50 years of rich textile heritage. From unparalleled breathability to natural softness, experience the authentic comfort thatonly true cotton can provide. The Seal of Cotton is a trademark of Cotton Incorporated.

National Textile Research Centre (NTRC) | LAB TEST:

MERC COTTON is made from 100% cotton, with its fiber composition scientifically examined and verified through laboratory testing conducted by the National Textile Research Centre (NTRC), Pakistan. This independent laboratory assessment provides documented confirmation of the cotton composition behind MERC COTTON, reinforcing our commitment to authenticity, transparency, and uncompromising quality.

From the raw fiber to the finished yarn, every detail matters. We believe that when you choose cotton, you should know exactly what you are getting. That is why we stand behind our yarn with scientific evidence, not simply a claim on a label.

Authentic cotton. Laboratory tested. Scientifically verified.

With MERC COTTON, the confidence is in the fiber, the quality is in the yarn, and the proof is in the laboratory.