I am the same way. I don't like using product 😒 but everyone is different. My hair routine is very simple.
I just wet my hair in the shower, co-wash with a clarifying conditioner, rinse it out, apply a more moisturizing conditioner as a leave in, detangle with my fingers, cup my hands with cold water and splash the top of my head, scrunch, and then air dry. I hate a crunchy feeling and product usually gives me that...so i prefer going without.
On the days that i don't wash my hair and if my curls need refreshing...I just wet my hair with a spray bottle and scrunch in conditioner 😊
I am really loving my routine and my curls are very happy! 💜