I believe polyester microfibers are the main culprit[1], rayon is made from cellulose so I would expect it to break down easily. 1: https://www.theguardian.com

I believe polyester microfibers are the main culprit[1], rayon is made from cellulose so I would expect it to break down easily. 1: https://www.theguardian.com/environment/2016/jun/20/microfibers-plastic-pollution-oceans-patagonia-synthetic-clothes-microbeads https://www.theguardian.com/environment/2016/jun/20/microfib...