Dogs, and cats to a lesser extent, need to be bathed regularly (as frequently as once every two weeks to a month) to avoid skin conditions and unhealthy hair coats. (appalachiananimalclinic.com)
If the scalp begins to become dry it can lead to unhealthy hair follicles, as well as hair loss and thinning hair. (hairlossrevolution.com)
While it use may not directly lead to hair loss in and of itself, the effects on the body of long term creatine use may lead to unhealthy hair growth, thinning hair, receding hairlines, and increased rates of hair loss. (hairlossrevolution.com)