5 E( v! V0 b6 [; P* N( r+ B- hEnglish name: Lanolin ) w+ }9 s$ u* ?6 q% P+ y
Lanolin, a grease from wool-bearing animals, acts as a skin ointment, water-proofing wax, and raw material (such as in shoe polish). 7 _% e# E5 c- a+ x+ f. ]+ m7 f$ u, j' a! i1 R5 S
Ref: http://en.wikipedia.org/wiki/Lanolin