Clinically tested for skin irritancy and allergy.

经过皮肤刺激性和过敏性测试。

Can it be used during irritancy? How is the effect?

烦闷时可否使用？效果如何？

Potassium content increased in tobacco leaf, the nitrogenous substances decreased, irritancy reduced and aroma increased.

烟叶钾含量增加，含氮化合物下降，刺激性减小，香气增加。

The tests performed typically measure the levels of skin irritancy, eye tissue damage, and toxicity caused by various substances used in cosmetics.

这些实验通常用来测试对皮肤的刺激，眼组织损伤，和毒性测试。