Have any of you curlies out there experienced hair regrowth or thickening after using argan, pimento, castor or any other oils?

Would love to hear your experience!!
CG since 4/15/12
2c-3b, fine to medium, high porosity, low elasticity
20% gray (stopped coloring 6/12)

LOVES: protein, Shea Moisture condish. & masque, KCCC, Re:Coil (HG), Kiss My Face Upper Mgmt. gel, my own FSG!

does not love: non-cg ingredients, oils, PVA/PVP, synthetic fragrances or poly-quats