Why do I start to lose my hair when the weather is hot?

It is normal for metabolism to accelerate in hot weather, and hair loss is obvious. Alternating hot and cold and changing seasons can cause hair loss.

The common causes of hair loss are:

1, when mental stress is too great, hair loss tends to increase.

2. The growth of hair is influenced by many endocrine hormones, so when the endocrine is abnormal, it often causes alopecia diseases, the most common ones are alopecia and androgenic alopecia.

3. Hair is the external expression of physical condition. Malnutrition and abnormal metabolism will cause changes in hair quality and hair color, severe malnutrition and even diffuse alopecia.