1、Heating to the specified temperature evenly, avoid damage to the hair core due to rapid rise in temperature. 2、Equipped with constant temperature control device, the power is automatically cut off when the temperature is too high to avoid danger. 3、The inner layer material is made of PU insulation fabric, which is more reliable for waterproof use. 4、Elastic drawstring, you can adjust the size of the hat mouth to achieve the comfort level you want. 5、Even and detailed double-layer wire, fast heating, make the hair mask nutrients easier to absorb, the effect is better. 6、Ten gears switch, you can adjust the temperature according to the actual situation, fast and convenient. 7、Can effectively shorten the hair dyeing time and make the hair color more uniform and firm. 1 x Hot Oil Treatment Hat Condition: 100% Brand NewItem Type: Hot Oil Treatment HatVoltage: 220VFrequency: 50HzPower: 65WWorking Temperature of Inner Cover: About 65°CUses: Multiple gears intelligent switch, you can adjust the temperature of the electric heating hat at any time according to the hair dyeing process, so that the nutrients of the hair mask can be absorbed faster and more efficiently, directly to the inner layer of the hair.