This product is waterproof.
From Amazon
L'Oreal Paris Eyebrow Liner, Brow Filling Triangular Pencil, Natural Matte Finish, With Spoolie Brush, Up to 24H Wear, Infallible 24H, 5.23 Light Brunette
Perfumes Club
Infailible Brows 24H filling trangular pencil #5.0-light brunette
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