Folks should remember manmade materials such as microfiber do not absorb water like pure cotton does. I know pure cotton is more expensive, but so worth the expense.
I have a skin allergy and all my clothing is pure 100% cotton. And so is any cloth item I handle on a daily basis. I wash all my towels separately. No fabric softener. It put a waxy coat, that builds up, preventing it from absorbing water. Instead I give them a second rinse. They all come out soft. And they don't go into the dryer. I have a very large drying rack and hang about 90% of my wet laundry on it to air dry. I find that the dryer shrinks materials. Specially cotton.