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English name: Lanolin - e3 D* W$ C9 J/ s( u
Lanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish). ! g% Q3 z y) B- P# t' E! ?, ~2 ~9 V% y, p. e
Ref: http://en.wikipedia.org/wiki/Lanolin