1. Performance characteristics:
1). At the same time, it has the characteristics of oily and dry skin;
2). Tarea is particularly greasy, sometimes acne, and the eye, cheeks for dry skin, sometimes appear peeling, dry and astringent phenomenon.
2. Reasons for formation:
1). Disturbance of sebum secretion;
2). Skin lacks nutrition and moisture;
3). Improper use of makeup and skin care and incorrect maintenance;
4). Endocrine disorders;
5). Emotional instability.