Im 13 and and this is my hair?

it kind of long by long i mean to my neck im an african american girl my beautican said my hair gets nappier faster than my sisters my hair is black and is dry and needs moisture what are some products i could use on my hair t help it and moisturize it also i was thinking about getting my hair cut for schoolnot too much but cut off a couple inches do you thinks its a good idea ......