Stimulating oils have been used through the ages to refresh the body and revive the spirits. Among the energizing essences nature bestows on us are bergamot, cedarwood, peppermint, black pepper, lime, thyme, lemon, and juniper. Use them either alone or in combination to have a rejuvenating massage. Or refresh with a citrus potpourri; go from overindulgence to exuberance with a rosemary, juniper, and fennel mixture; and give your "engines" a quick...