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You can buy a small bottle of glycerin at you local drugstore--CVS, Walgreen's Rite-Aid.

Lime Essential oil may be somewhat more difficult to find. Try a local perfume store that makes custom...

+1 on the previous recommendations. I have at least three recommendations for shaving creams to add to your SRD Blood Orange soap. In addition to the Proraso, which has already been mentioned, try...