How to distinguish between nanometer pearl powder and ordinary pearl powder?

如何区分纳米与普通珍珠粉？

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May I use nanometer pearl powder together with other acid cosmetic?

为什么有的人用纳米珍珠粉后会觉得脸上干？

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May I use nanometer pearl powder together with other acid cosmetic?

为什么有的人用纳米珍珠粉后会觉得脸上干？

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