earticle

영어

To estimate the accumulation of the essential and heavy metals in hair by the treatment of hair coloring agents, 8 essential metals and 6 heavy metals in 30 virgin hairs and 29 coloring treatment hairs were analyzed using ICP. All metals except nickel had not shown hygienically significant meaning. The nickel concentration of all treatment group was higher than 0.31±0.68mg/L of control group, but only treatment group 4(very bright blonde coloring agent) of which concentration was 2.21±1.23mg/L showed statistically significant difference(p<0.001). For high nickel level result in contact allergy and dermatitis, this metal in hair coloring agent should be controlled