2c/3a with a grease problem!

Hey there. I've been using devacurl nopoo then one condition each morning (nopoo on my scalp, one condition on the ponytail chunk). After that I detangle and plop it for 15-20 minutes. My hair is 2C, sometimes 3A, with decent volume. Sometimes the volume on the top of my head is not as much as I'd like it to be, but there is not grease. But on the second day, I have no choice but to wash again. Even if my second day curls are great and happy, my scalp is way too greasy and stringy to look presentable no matter how I style it. Would switching to lowpoo help make my hair less gross on the second day? Or should I try a whole different brand and/or plan?