4mm compact air cushion brush head with 512 teeth to cover every eyelash 3D brush head for even application without clumping 3µm ultra-light plant fiber to lengthen eyelashes Added Polygonum multiflorum extract Deep Sea Two Sections Mangifera Indica seed oil & White Meadowfoam seed oil to moisturize eyelashes for smoother & more shiny Cooperated with American WACKER compound film-forming system for waterproof & sweat-proof makeup