Welcome, jojocurl! Your hair does look to be a mixture of 3a and 3b. That info only describes your curl pattern. Knowing your density, texture and porosity is what will help you find products that will bring out the best in your curls. You mentioned your density and texture. Have you figured out your porosity? That can be a little tricky.
3B, fine, normal to low porosity
Modified CG since June 2010
HGs: FSG, anything with glycerin, Tresemme Naturals conditioner, Curls Like Us cloths, satin pillowcases.