Unopened mascara: There are basically no problems caused by the breeding of bacteria and air drying. Most of them are caused by improper storage. Unopened mascara should be placed in a dry and dark place to avoid contact with high temperature and strong sunlight. Deterioration or evaporation.
In-use mascara: The most common problem is dry clumping, which may be caused by low winter temperatures or inappropriate application. When using, the brush head should be fully unscrewed and put back slowly to avoid excessive air entering and causing oxidation or evaporation. After use, tighten it and put it in a dry place away from light.
Although the shelf life of mascara is not short, the use period is relatively short, and it is best not to use expired mascara, and keep your mascara within the specified period to avoid deterioration or drying.

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