How do you deal with damaged hair?

Stay healthy: The best way to grow hair naturally is to stay healthy: regular exercises and eating a well-balanced diet to provide your body with the necessary nutrients for it support growth and repair. Artificially grown hair such as that by use of rogaine (minoxidil) etc...Is not a lasting and healthy effect. Stimulate/massage your scalp regularly to keep a good blood supply. There isn't much else you can do. Good luc.