Waterline & Precision Eyeliner Application
Primary use case is for delicate waterline eyeliner (粘膜ライン) and detailed eye makeup where the fine tip allows for controlled, sharp lines.
Repeated Application Layers
Several reviews indicate users apply the eyeliner multiple times to build intensity, suggesting the brush deposits color gradually rather than in single strokes.
Compatibility with Gel vs. Powder Formulations
Consumers note the brush works well with thinner gel eyeliners but shows lighter color payoff with clay-like or thicker gel formulations, requiring formula-specific application technique.