If you ask the customer service, they will say that because your skin is dehydrated is too serious to sting, insist on using a few times, improve the water shortage situation sting will disappear. In fact, this is the network chao red brand

I bought his green beans, blue corn, eye film, cherry a whole lot, in addition to the blue corn, other than the sting, cherry pain is straight out of the tears, wash off the red heat. Customer service is so answer, in order to prove that in the end is not due to lack of water, I give around n people have tried, there is no one does not hurt, just the pain is not the same weight. And the back and inner arm is to test whether the allergy place, the back of the hand is not used