Do you really need grease to grow african american hair?

my hair was damaged and shedding and now its going on the right track again, but my mom keeps saying come on " its time to put grease in your hair " which i dont like. my hair isnt greasy and i dont want it to be. and my research says that grease clogs up my follicles and stops it from growing but my mom says i need the nutrition but i can get it from the megatek i have, and oils.... help?!