Features: 1.This heated cap contains flaxseed, which can effectively retain heat after heating and promote healthy hair growth. 2.Gentle warms your head and scalp, effectively nourish and care your hair, make your hair smoother and shiny. 3.Made of soft fiber cotton and nylon, light and durable, comfortable to wear, and it can be compatible with most head circumferences. 4.Lightweight and portable shape, wireless use design, convenient for you to use in daily work or leisure time without affecting your actions. Specifications: Material: Linseed + Microfiber Cotton Color: black Size: 30*22*3cm Weight: 557g Packing size: 25.5*18.5*5cm Size: The inner diameter of the elastic ring is 12cm (with elasticity, suitable for most sizes of head circumference), and the outer diameter is 25cm TYPE 1 Packing List: 1* heating cap 10* disposable shower cap 1* cloth bag 1* Instruction TYPE 2 Package list: 1* Cap 1* User Manual 1* Storage Bag HOW TO USE Usage: Microwave oven heating 1. rinse the hair clean, do not let the hair stay residue. 2. Apply the product evenly to your hair. 3. The temperature of the microwave should be on medium and low heat for 70-85 seconds. However, the heating time will vary with different microwave ovens. It is recommended to heat the nursing cap in units of 30 seconds for the first time, and keep the cumulative heating time no more than 2 minutes, so as to avoid bursting and damaging the nursing cap. 4. Wrap your hair with a shower cap before wearing the cap. 5. The nursing time is generally in 10-20 minutes, you should wash the hair in warm water in the end. 6. When cleaning the nursing cap, please wash it with warm water or mild soap and avoid direct soaking in water. Clean tips: clean with warm water and mild soap when necessary; Do not immerse in water; It is recommended to use a plastic hat under the heat cap on all conditioning uses.