| 摘要 |
PROBLEM TO BE SOLVED: To provide a hair cap which can prevent dust and dirt such as dust, dandruff and hair generated from the head of a worker from dropping, and can be biodegraded by burying the hair cap in the ground after being used. SOLUTION: This biodegradable hair cap is constituted of a non-woven fabric comprising a polylactic acid and/or a thermoplastic polymer of which the major component is a polylactic acid.
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