Capsaicin is the active ingredient in chili peppers, and when applied to the skin it will dilate the microvessels and promote circulation, thus making the skin red and hot, and will not burn the skin; however, if the skin is allergic to capsaicin then it is recommended that products containing capsaicin not be used.

Specifics Since ancient times, chili peppers have often been used to relieve pain, and scientists have found through research that capsaicin in chili peppers can stimulate and deplete the neurotransmitter "P" substances, and P substances can transmit the message of pain throughout the nervous system.

Through the capsaicin principle of pain relief, capsaicin cream has been used to relieve the pain of band rash, trigeminal neuralgia, etc.; at present, there are also manufacturers who utilize this principle, capsaicin into the socks, to become the "pepper socks" for the winter warmth; capsaicin can also dilute the mucus secretion of the throat, and to help discharge phlegm, so as not to hinder the respiratory tract. The socks are made of chili peppers, which are used to keep warm in winter.

"Capsaicin" is a very common ingredient in slimming creams, claiming to be able to burn fat, can be very good to promote blood circulation and cellular circulation, but also can eliminate some of the toxins accumulated in the body, to eliminate the skin edema; however, the function of capsaicin is only to dilate the blood vessels, and stimulate the nerves.

The feeling after the body is very "hot", in fact, is the feeling of vascular circulation expansion, rather than consume fat, so it is not a very obvious effect of slimming, but relatively speaking, the skin will not cause harm.