1. genetic factors.
2. psychological factors: a person’s poor psychological state, emotional instability and other instability can not only cause disease, but also affect skin health and beauty, and even cause acne, dry skin, etc.
3. food factors: overeating and binge drinking, excessive alcohol consumption or partial eating can cause nutritional disorders, leading to premature skin aging. Lin Lihong, Department of Dermatology, The Third People’s Hospital of Hubei Province
4. physical and chemical factors: Whether physical, chemical, or mechanical damage can affect the skin’s color and luster. For example, ultraviolet light, asphalt, coal tar, smoking, dry climate, excessive temperature, etc.
5. medical factors: the following factors: ① improper massage, can increase wrinkles; too much massage, chaotic massage or techniques against the direction of the facial muscles are improper massage. ② Improper or untimely treatment of facial skin diseases. ③ improper weight loss methods. For example, sudden weight loss is excessive, the skin loses a lot of water and becomes dry, resulting in wrinkles; or improper dieting, loss of nutrition and wrinkles or other abnormal changes in the skin.
6. Makeup factor: improper use of cosmetics and cause loss of color, there are many examples in this regard. According to the survey, black spots on women’s face are mostly seen in women who love makeup in middle age. The common improper use of cosmetics are as follows: ① often thick makeup: cosmetics are applied too thick and too much, which hinders the secretion and excretion of sweat glands and sebaceous glands, and causes boils and prickly heat. ② Abuse of cosmetics. For example, seborrheic dermatitis is caused by the use of oily cosmetics for oily skin. (3) Indiscriminate use of nutritional skin care products. For example, the use of nutritional skin care products by adolescent girls can lead to excess nutrition, making the skin rough and puffy.