Tigi`s curl recall technology instantly reforms, ensuring flattened, collapsed curls are able to spring back into shape after just one scrunch. Maximum curl retention that protects hair from humidity, helping ensure defined curls and ringlets. Helps reform and define dropped curls so curls are tighter and spring back into shape with just one scrunch. One-scrunch technology helps to reform dropped curls and makes sure they stay put for up to 72 hours!