A tautology, surely.
Normal grease has a clay base which deteriorates when in contact with water, waterproof grease does not deteriorate with water contact as it has a different base. Leave a blob of normal grease in a cup of water for a month and see what happens.
@lynx started
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Normal grease has a clay base which deteriorates when in contact with water, waterproof grease does not deteriorate with water contact as it has a different base. Leave a blob of normal grease in a cup of water for a month and see what happens.