There are many factors that can cause women’s skin to deteriorate before menstruation, mainly in the following areas: 1. The skin may be caused by women not paying attention to skin care before menstruation, such as not paying attention to skin hydration, not paying attention to cleanliness, etc. can lead to skin deterioration. 3, if women eat too greasy food before menstruation will also affect the endocrine, leading to skin deterioration, so women should pay attention to skin care before menstruation, and a light diet, can avoid the skin deterioration.