I use my regular conditioners like a leave-in, applying some more after my final rinse, but many curlies just don't completely rinse the conditioner out during their final rinse. That seems to work well for super-curlies. I'm just a semi-curly wavie so I find the first way works best for me.
2/f/i, waist length w/ long layers

pwd: hair

~a wave in a sea of curls