Abstract: Method and hair tool for styling hair, the hair tool having at least one heatable element, a temperature regulator associated with the heatable element to control the temperature of the heatable element, a temperature sensor for measuring the temperature of the heatable element, a compensation means operatively connected to the temperature regulator for compensating temperature drops or increases to which the heatable element is subjected when styling a hair lock. The hair tool further contains a programmable electronic control that controls operational features of the hair tool to implement a method of analyzing the hair lock and setting the hair tool to an optimal styling temperature calculated for the hair lock.