Characteristics: Made from high-quality materials, this cap is wear-resistant and durable to use. It can keep nourishing oil on your hair longer so that your hair absorbs nutrients better. With 9 heating levels, it can shorten the hair dyeing time and make the color bright and long-lasting. Suitable for home or hair salon, convenient and easy to use. Not waterproof, not washable, can be folded, not suitable for bathroom use. Technical data: Material: Oxford fabric, pvc Heating Levels: 9 Levels Voltage: 220 V Plugin: EU plugin Total cable length: Ok. 1.5m / 59.1in Size: Diameter: ok. 27 cm / 10,6 inch Height: ok. 18 cm / 7,1 inch Package List: 1 * Hair Heating Hat; Instructions: 1. Wash your hair with shampoo, do not use conditioner. 2. After shampooing, wipe your hair to a semi-dry state and apply a hair mask to your hair. 3. After a moment of gentle rubbing of the hair, wrap it in foil or a shower cap or a thin towel. 4.3 heating cap, the first 5 minutes low, after about 5 minutes, 10 can open to 5-7, put on the head for 10-15 minutes, the winter can be heated for a few minutes before use. 5. After the care is completed, the hair is completely cooled, and the hair is washed with warm water and heated liner. 6. If you feel that your hair is not smooth enough, you can use the conditioner once.