Caffeine can decompose fat, penetrate the skin, enter the deep subcutaneous tissue, directly burn and consume the fat stored in the body, and also stimulate sympathetic nerve excitement to reduce appetite, so as to achieve the purpose of eating less. In the' warm SPA', on average, 100 guests want to take a coffee bath to lose weight, and 70% of these 100 people are women. This shows that this coffee bath diet is deeply loved by Japanese women!

The raw material state of coffee bath is different from that of red wine bath and pepper bath. Coffee bath is liquid, and the latter two are powder.

In fact, this coffee liquid is the same as what we usually drink at home, and it can also be made by DIY, but it is boiled with 10 kg of coffee beans and then poured into a hot pool for people to soak.