Pencil-width corkscrews that pack dense. Frizz-prone, moisture-hungry, and often misidentified as 3b (too loose) or 4a (too tight).
Read the full 3c guide3c likes moisture-rich leave-ins but still wants a styler that gives a cast.
Scrunchie combines 3c with your porosity and density to build a moisture-first routine. Scanner flags drying alcohols and heavy silicones.