Hair care principle:
1. Hair care cosmetics can first promote the division and proliferation of hair mother cells and the growth of hair follicles, and can also add some growth factors to promote the blood circulation of hair roots and promote hair growth.
2. There are also some hair care cosmetics that can remove dandruff and clean, and improve the microenvironment of hair growth. Many natural plant extracts may protect hair follicles and promote hair follicle growth.
Extended data
Precautions for purchase:
1. Let's see if the labels and instructions of hair care cosmetics meet the requirements. Qualified cosmetics labels should indicate the product name, manufacturer's name and address, production date and shelf life, cosmetics production license number, matters needing attention, etc. In Chinese.
2. Second check: Check whether the cosmetics are marked with the relevant approval number. When buying domestic special-purpose cosmetics (hair care), pay attention to check whether the product label has the approval number of special-purpose cosmetics; When buying imported cosmetics, you should pay attention to check whether the product label has the approval number of imported cosmetics.
Baidu encyclopedia-hair care cosmetic