Craft projects to make using Hair RollersA hair roller or hair curler is a small tube that is rolled into a person's hair in order to curl it, making a new hairstyle. The diameter of a roller varies from approximately 0.8 inches to 1.5 inches. The hair is heated, and the rollers strain and break the hydrogen bonds of each hair's cortex, which causes the hair to curl. The hydrogen bonds reform after the hair is moistened. A hot roller ... From Wikipedia
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