The main function of anti-alopecia hair cream is to prevent alopecia and promote hair growth. This kind of products mainly use shampoo, hair restorer, or a combination of the two, and prevent hair loss through the "washing" mode. Anti-alopecia hair lotion is a special cosmetic, which must be approved by the US Food and Drug Administration.

Anti-alopecia shampoo is usually composed of Polygonum Multiflori Radix, Zingiberis Rhizoma, Fructus Gleditsiae Abnormalis, Rhizoma Gastrodiae, etc.

Etiology:

1. Androgenic alopecia

It is autosomal dominant inheritance, and its genetic characteristics need to be expressed under the action of androgen.

2. Neuropathic alopecia

When mental stress is too great, hair loss tends to increase. Under the action of mental stress, the hair muscles of human body contract, the hair stands upright, the autonomic nerve or central nervous system function is disordered, the papillae of hair follicle changes, and malnutrition leads to the inhibition of hair growth function, and the hair enters the rest period, resulting in hair loss.

3. Endocrine alopecia

The growth of hair is influenced by many endocrine hormones, so when the endocrine is abnormal, it often causes alopecia diseases, such as postpartum and menopausal alopecia.

4. Nutritional alopecia

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

5. Physical alopecia

Common physical factors leading to hair loss include mechanical stimulation and exposure to radioactive substances.

6. Chemical alopecia

Chemical factors can lead to hair discoloration and even hair loss.