Hair growth solution has little effect on improving hair loss or hair growth, and there are no relevant clinical authority reports recommending the use of this method for hair loss, so it is also not recommended to use hair growth solution for hair growth. Hair growth depends on the normal function of the hair papillae, hair follicles and sebaceous glands. The hair follicles are unable to absorb sufficient nutrients to promote hair growth, while cellular excretions accumulate and cause follicle blockage, making hair loss symptoms more severe. The substances contained in the hair growth solution do not fully provide the substances needed for hair growth, nor do they help to remove the excretion of scalp tissue cells, hair follicles and hair papilla cells, so the hair growth solution is not effective in relieving the symptoms of hair loss. In addition, it is necessary to judge whether the substances in the hair growth solution are harmful to the body or not, and you should not use them blindly to avoid adverse consequences. Hair growth and loss are affected by various factors, such as genetics, endocrine, mental condition, age, season, etc. Treatment should be based on the cause of the disease to achieve good results, rather than trusting in partial prescriptions or other unproven efficacy of goods.