如果没有，请放心，在购买时可能需要使用木材湿度计湿度测试，这可以是绝对安全的。
If not, rest assured that at the time of purchase may require the use of wood hygrometer for humidity testing, this can be perfectly safe.
尽可能使用喷壶让头发保持均匀的湿度。
Use a watering can to let hair keep homogeneous humidity as far as possible.
尽可能使用喷壶让头发保持均匀的湿度。
Use a watering can to let hair keep homogeneous humidity as far as possible.
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