My twistouts always came out looking crazy too. lol Idk why
I don't know if you need heavier products, aren't SM products pretty heavy? They were too heavy for my hair and I hated all of 'em except the shampoo.
Maybe lighter/water based products would give you more moisture.
4c wiry thick nappy low porosity hair
Poo: SM black soap
DC/: Avocado+ oil + Honey
Spritz: Oyin J&B
Moisturizer: OH Dew
Sealant:BSP/Bask tapioca cream