GreenYarn sel a number of products, such as clothing with bamboo charcoal particles are embedded in the fiber.
They claim:
Health: Bamboo charcoal absorbs chlorine in water and let minerals out, making your skin smooth. Also, the charcoal entirely warms up your body with infrared ray effect, easing stiff shoulders, lumbago, and poor circulation. Bamboo charcoal also absorbs bad odor and toxic substances, and emit negative ion.
Does wearing bamboo charcoal improve your skin or warm your body more than other clothes (or even other charcoals)?