Originally Posted by
TheMerkleFamily
appears the benefits are greater with natural threads (i.e. cotton) vs synthetic (polyester) which is why some opinions may vary.
Yes, sorry, I didn't mean to insinuate that thread conditioner doesn't work at all. I love it for cotton thread, but I prefer to use Bottom Line for applique because it's so fine, sinks into the fabric, and I can get that ring of pre-wound bobbins in every color. But when I put thread conditioner on it, it felt like I was dragging Velcro through the fabric.