i couldn't say if it can replace it. jojoba is a liquid wax, and doesn't really feel oily. when used in big amounts it will give a wet look of course. shea butter being solid at room temperature never really feels oily either.

i've found that making a gloss with about 1 part jojoba and 3 parts aloe vera gel controls well the frizz on braids. it works with shea butter as well. i usually use way more aloe vera than oil in the mix, but i guess experimenting with different combinations could give something that really works well.