The use of eggs to wash hair will become smooth is not true, this claim is currently in the clinic does not have a scientific basis, improper use may also damage the scalp or even cold and flu, so it is not recommended to use eggs to clean hair. 1. Damage to the scalp: because the egg does not exist inside any detergent ingredients, so can not clean the hair. Eggs contain protein and macromolecular substances are also difficult to be absorbed by the hair, and there are many nutrients within the egg is easy to breed bacteria, easy to cause the hair above the bacterial growth, resulting in secondary pollution, thereby damaging the scalp. 2. Cold and flu: some people use cold water and egg white to wash their hair, in this case not only can not clean the hair, but also may induce cold and flu and other symptoms. The use of eggs to clean the hair does not have any theoretical basis, so it is not recommended that patients use, if the use of eggs to shampoo any symptoms of discomfort, it is recommended to go to the hospital in time for examination and treatment.