All right. According to the inquiry of Health Care Network, Jiayi Hair Care Liquid can prevent hair loss and promote hair growth. Moreover, this product is mainly based on the combination of shampoo and hair tonic, and prevents hair loss through the "washing and rubbing" mode. Hair tonic is a special product for head and skin, which is made by adding various pharmaceutical ingredients into ethanol aqueous solution. The formula usually contains a hair restorer, a nutrient, a bactericide, a cooling agent and a dandruff removing and itching relieving agent. It can normalize scalp function, promote scalp blood circulation, enhance hair follicle function and nourish hair quality, so it can promote hair regeneration, keep hair healthy and prevent hair loss.