I second looking at your Aussie. Have you also considered adding a little protein to your regimen? That usually helps bring curls back to life with the elasticity, along with other benefits.
High Porosity, Fine, Thin Density, Low Elasticity
Suave for co-wash and rinse out. SM restorative as leave in. Ogx mousse, la looks, la bella, and cantu natural for stylers. Clarify and low poo once a month.