Hair loss after perm is serious. You can apply dietary regimen as well as reduce the frequency of hair dyeing and perming, and pay attention to strengthening the care of hair in general, and consider hair transplantation in serious cases. There may be many reasons for serious hair loss after perming, including stimulation of chemical reagents, external pulling and so on. When hair loss is severe after perming, attention should be paid to the use of mild shampoo to reduce the stimulation of the scalp. In terms of diet, you can pay attention to eat more food rich in protein, vitamin C and iron and other nutrients, such as black sesame, fish and bean products. If the above methods are still not effective in relieving hair loss, it is recommended to go to a regular hospital and have a hair transplant performed by a professional doctor. However, it should be noted that perming and coloring hair is very harmful to the hair, you should take the initiative to reduce the number of perming and coloring hair from the root, and pay attention to the usual hair care to ensure the healthy growth of hair.