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English name: Lanolin - l4 S3 j: i* j6 C" X7 r1 g6 z
Lanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish).. Y8 u6 p: m+ D8 B
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Ref: http://en.wikipedia.org/wiki/Lanolin