Q: Someone can feel slightly thirsty and uncomfortable on head i

A: First, there are no side effects to use the device. For first user, some could have a peculiar feel that the Chi and blood are balanced, Yin and Yang are complementary after using the device, you are not used to it or maybe there are some mistakes during your operation, but the feel will disappear in short time. We suggest not to using in long time while first using.

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