Recommended models: fragrance-free steam eye mask, lavender-scented steam eye mask, chamomile steam eye mask
 
In 1890, Nagase Shoten launched the high-quality face soap "Kao Stone", which has been the foundation of Kao's washing technology for 100 years. Kao has grown to become one of Japan's leading companies in clean goods, as well as an important player in the world's daily necessities industry. The strength of the Kao Group is inseparable from the continuous improvement of existing products and the timely introduction of products that meet the needs of consumers. For example, the steam eye mask, an emerging eye care product in the gradual popularization of electronic office, has only been born for ten years, and Kao of Japan is the first company to launch the steam eye mask.
 
In 2007, Kao was the first to launch a steam eye mask that generates self-heating by chemical reactions, and it was an instant hit in the Japanese market, and it is still a dominant force in Japan today. In recent years, with the development of tourism to Japan, Kao steam eye masks, Miaoshu diapers, Leya sanitary napkins, Birou sunscreen, etc. are the most purchased products by tourists visiting Japan or in Japan's overseas shopping circle. With the practicality and portability of the product itself, Kao Steam Eye Mask also has a high popularity in the domestic market.
 
Although people are used to calling it "Kao Steam Eye Patch", the exact brand name should be "MegRhythm", but it is not as familiar as the word "Kao". The top material of Kao Steam Eye Mask is a non-woven fabric made of chemical fibers such as polyethylene and polypropylene, which is flexible and breathable, and the stretchable ear loops on both sides allow the eye mask to fit the eyes better. In terms of heating materials, the Kao steam eye mask presses a heater containing iron powder into a thin sheet shape to make the heat of the steam eye mask more even, and the heat generation temperature of about 40 degrees Celsius can last for about 10 minutes.
 
The design of Kao's steam eye mask is not much different, but the choice of fragrance types is very rich, in addition to the classic fragrance-free model, there are 9 different fragrance types such as lavender, rose, chamomile, and grapefruit. Two of the more unique scents, such as eucalyptus globulus and bergamot, are not sold separately, but are combined with lavender and chamomile to form a fresh assortment of 20 pieces for 109 yuan. The other scented steam eye masks are available in 5 and 14 pieces, with an average unit price of about 6 yuan.
 
Although Kao steam eye mask is still the most popular steam eye mask product on the market, many consumers who have used Kao steam eye mask say that the 10-minute heating time is too short, the comfortable experience of hot compress is not long, and the overall cost performance is not high. However, the longer the hot compress of the steam eye mask, the better, and consumers should choose according to their own experience.