1Adopts 3gear temperature control technology, thermostat automatically cuts off the power supply to ensure safety. 2Intelligent temperature control, 4row cable design, outer layer is made of silicone material. 3The outer layer of the heating cap is made of PU fabric, which is thick, durable and easy to clean. 4The liner is thickened, waterproof and insulated, removable and washable. 5Use the elastic rope to adjust the size of the cap at will, and you can adjust it to the comfort level you want. Condition:100% Brand New Item Type:Electric Heating CapMaterial: PU+PVC liner Size: Approx. 23 x 17cm / 9.1 x 6.7in Gear Adjustment: Three gears Feature: Hair care at room temperature, most of the nutrients are lost, and it is not easily absorbed by the hair. Using a heating cap can more effectively absorb nutrients, shorten the dyeing time, color firm and evenly, improve the quality of dyeing, and maintain the damage after perm Hair quality, fast heating, intelligent temperature control, waterproof inner liner, bright color. Instruction: 1. Wash your hair clean with shampoo, don't use conditioner, otherwise the hair scales will be closed; 2. After shampooing, wipe the hair half dry and apply the hair mask on the hair; 3. After gently massaging the hair for a while, wrap the hair with plastic wrap or shower cap or thin towel; 4. The 3rd gear heating cap can be borrowed for 5 minutes after resisting it for 5 minutes. It can be used after preheating for a few minutes in winter; 5. After finishing treatment, wait for the hair to cool completely, wash the hair with warm water and heat the inner pot of the cap; 6. If you feel that your hair is notsmoothenough, you can use the conditioner again. 1 xElectricHeatingCap(Zipper Color Random)