The best thing is the smallest fabric scrap you have would still make a scrunchie. Top two scrunchies made with velvet bottom three scrunchies made with cotton.
Supplies for sewing hair scrunchies.
Best fabric for hair scrunchies. Fabric type will depend on preference. But you can change this basic scrunchie into so many styles with simple ideas which i will outline below. But its not so thick as to be bulky when sewing.
I have found that the best fabric to sew a scrunchie is straight cotton. Its soft and thin but has enough body to be interesting. Most fabric types will work as long a they arent too stretchy or too slinky.
Hairstylists weigh in on the best hair ties for all hair types that wont damage pull or break hair including goody bands scuenci bands silke ties slip silk skinny scrunchies polybands. The scrunchies are basically fabric strips joined to form a tube and inserted with elastic. To soften the fabric you can simply wash it with your other clothes.
You can use cotton velvet or a more stable knit such as liverpool cottonlycra ponte etc.