I have a couple that I like. Cover Girl makes a great washable waterproof mascara called Professional Remarkable mascara. It is waterproof yet easy to wash off when you're ready to take it off. Others I like are Cover Girl Lash Exact and for truly lasting waterproof mascara Max Factor's Stretch & Seperate in the waterproof version REALLY stays on, but it's hard to remove even with makeup remover.
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Ann