Hardwood Charcoal
Hardwood charcoal was used since ancestor's period due to following functions
DEODORANT AND ANTIBACTERIAL EFFECT
Charcoal has strong preservative effect which inhibits creation of microorganism and mold that it prevents rice weevil in the rice bucket. It is also known to delay rice spoiling. Its purification effect is known so people put charcoal in jars when they are fermenting traditional soy sauce. It is widely used in gas mask, water purifier, air purifier and other products. Charcoal could absorb chemical property and several noxious materials when it is placed inside water before children take baths or when you are washing fruit/vegetable with water.
Charcoal with great absorptive power due to porous characteristic! If charcoal is put into smelly cabinet, shoe rack, refrigerator, sink, drainages and other
places, then odor and mite are prevented.
ELECTROMAGNETIC WAVE AND ELECTROSTATIC PREVENTING EFFECT
Wood doesn't usually has malleability however if it becomes charcoal burnt for high temperature, then it possess conductivity and prevents electro-magnetic wave and also prevent electrostatic. It also alleviates sick house syndrome by absorbing material called radon, and other radioactive materials.
NATURAL DEHUMIDIFYING AND HUMIDIFYING EFFECT
Pores on the charcoal absorb moisture when there is a high humidity, and releases moisture if surrounding air becomes dry again so it has natural dehumidifying and humidifying effect
ANION RELEASING EFFECT
Charcoal releases anion which has equal amount to those from natural environment so it creates refreshing mood if it is put in the room due to its anion releasing effect.
FAR-INFRARED RAY RELEASING EFFECT
Charcoal has releasing effect of far-infrared ray with longest natural wavelength so it could have effect on arthritis and musde ache by vitalizing skin capillary if charcoal product is around due to its far-infrared ray releasing effect. It is also known to have an effect on skin, hair loss prevention and hair growth.