Wash towels with warm water and a small amount of detergent
Skip fabric softener
Add 1 cup white vinegar to the rinse cycle
Use 1/2 cup baking soda in a separate wash cycle
Avoid overloading the washing machine
Use less detergent than usual
Dry towels on low heat
Remove towels promptly from the dryer
Shake towels out before drying
Clean the washing machine regularly
Avoid dryer sheets
Wash towels with similar fabrics only
Use wool dryer balls
Do an extra rinse cycle if needed