Download Does Cold Or Hot Water Make Clothes Shrink Gif. Dryers will definitely shrink all of the above because of the heat. Hot water will leave the fibers wet making you clothes shrink.
Realize that the shrinking process is permanent, so make sure you really want to shrink the item on which you are using this method. Other fabrics need the lubrication. Darks get washed in cold water so they won't fade, lights generally use warm and whites and towels get the hot water treatment.
That being said, cotton usually only shrinks.
Hot water shrinks clothes—and fades them. You do not want the handmade scarf you have made for your dear daughter to shrink to the size of a 6 use cold water in the wash. Other fabrics need the lubrication. Encourage shrinkage in clothes with advice from a professional house cleaner in this free video on housekeeping.