One of the features with this is that it's waterproof.
From AllBeauty
Estée Lauder - Double Wear 24H Waterproof Gel Eye Pencil Sapphire Sky 1.2g for Women
Notino
Estée Lauder Double Wear 24h Waterproof Gel Eye Pencil waterproof gel eyeliner with applicator shade Sapphire Sky 1,2 g
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