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English name: Lanolin 7 v9 N# l7 k* i, j7 y1 e m
Lanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish).2 x% O3 S) Q7 s) e4 ~7 b
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Ref: http://en.wikipedia.org/wiki/Lanolin