Description: *Principle of heating: Special iron powder + activated carbon form a heating element. The heating element is exposed to the oxygen in the air to generate heat, and the moisture locked in the eye mask evaporates to form steam, which promotes the plant essential oil contained in the eye mask to penetrate into the eye area The texture promotes eye blood circulation and relieves eye fatigue. *How to use: Open the eye mask package after cleansing and toning, and the eye mask starts to heat up; tear off the non-woven fabric between the left and right ear hooks and put on the eye mask; close your eyes when using it, the eyes are warm and moist, the temperature lasts about 25 -30 minutes; a drop in temperature means the end of use, take off the eye mask and get a new look. *Water vapor experiment test: see if the eye mask really produces steam. If there is no water vapor, pure dry steaming will not only not moisturize the eye area, but also cause damage to the eye skin. 1. Put in the eye mask: the wall of the cup is clean and translucent, and there is no abnormal shape; 2.2 minutes later: steam is generated and the cup wall begins to blur; 3. After 10 minutes: the steam continues and water drops appear on the wall of the cup. Specifications: Product information Product ingredients: iron powder, activated carbon, water Product specification: one piece / bag Heating duration: 30-40 minutes at constant temperature Average temperature: 40 ° C Suitable crowd: people who use computers and mobile phones for a long time, people who often stay up late and work overtime, students, and business people who are on business for a long time Package Included: 1*Steam eye mask Notes: note: The effect varies from person to person. If you feel unwell, stop using it. Due to the differences between different monitors, the picture may not reflect the actual color of the item. If there is a problem with the product, please leave a message before giving you bad feedback. Thank you and have a nice day! By the way, if you like our store, Please add our store to your Favorite Stores, You can get our New arrival and Discount information in time.