Evaluation of Clothing Comfort and Anti-atopy Properties by Human Wear Test -Focused to Inner Wear Natural Dyed with Bamboo Charcoal-

Abstract : This study examined several dyeing properties, physiological responses and comfort sensation of cotton knitunderwear dyed with bamboo charcoal. The cotton knit underwear dyed with bamboo charcoal and treated with chitosanshowed 99.9% antibacterial property and improved deodorization, and colorfastness. Eight children with atopic dermatitisworn underwear dyed with bamboo charcoal during 4 months. Their parents reported fewer itches of children. Wearingcotton knit underwear dyed with bamboo charcoal and non-dyed with bamboo charcoal respectively, these eight childrenrested for 20 minutes, then exercised for 10 minutes, and then rested for 30 minutes in the room maintained 28 ± 1 o C and50 ± 5%R.H. Children's rectal temperature, skin temperature and microclimate inside garment of two types of cotton knitunderwear were compared. As a result, the rectal temperature and skin temperature were higher when children werewearing underwear dyed with bamboo charcoal than non-dyed underwear. The microclimate temperature and micro-climate humidity at the back of children were lower when children with underwear dyed with bamboo charcoal exercisedand recovered. Key words:bamboo charcoal, chitosan, anti-atopy properties, physiological responses, microclimate