There are also different kinds of starch , like laundry starch , which gives clothing a smooth and crisp feel . Sweat and dirt from a personâ s wrist and neck will stick to the starch on the clothes , not to the fibers of the clothes , and will wash away along with the starch . Dirt and sweat from a person 's neck and wrists would stick to the starch rather than to the fibers of the clothing , and would easily wash away along with the starch .