How do i keep my red hair from fading?

so i dyed my side bangs and a little bit on the other side of my head magenta but it actually looks red. so i wash my hair everyday and i see the red water when i do wash my hair.T.T i dont want it to keep fading so any tips? and yes i HAVE to wash my hair everyday or ill feel gross and i do use the pantene shampoo and conditioner for colored hair. and i have black hair..or dark dark dark dark brown.