1. **Builds Density and Fullness**: Provides a thick, voluminous base that adds significant body and mass to hair or lashes before applying the final layer.
2. **Enhances Longevity of Style**: Creates a sturdy foundation that helps hold curls, lifts, or textured looks for extended wear.
3. **Smooths and Preps Surface**: Fills in uneven areas and creates an even, grippy canvas for better adhesion and a flawless finish.