well I'm transitioning and my nape is completely natural but the best advice I've gotten from members on this board for moisturizing my natural hair are two things:
Glycerin and water mixture - there are many variants of this but it makes my hair sooo soft - i spray it on 3x a day seal with sweet almond at night and I get soft natural coils and relaxed ends
Homemade whipped shea butter - my hair has NEVER EVER been so soft since I made this stuff. The raw shea straight up does nothing for my hair but I mix it with castor oil, sweet almond oil, vitamin E oil, coconut oil, patcholi oil, lavender and ylang ylang EO, and jojoba oil. Results instantly soft and touchable hair! Stays moisturized for days in my cornrows.
One other thing I find for my natural texture as it grows it DCing. I do this with cholesterol conditioner, honey, castor and coconut oil, and peppermint EO. It is really the only thing that has consistently turned my hair around I always DC when I wash with a clarifier or shampoo otherwise its just a co-wash that i lightly rinse. HTH!