你应该在沐浴炸弹中多长时间？
the most optimal time for you to stay in a bath bomb is between 20 to 40 minutes, or as soon as you notice your skin is going wrinkly, that means it's time to get out.
不可以。所有浴室炸弹都意味着单一使用。如果您打算重用它们，您应该知道它们对每种其他使用都越来越少。