Bath Soak - Effervescent - Energy by Jane Inc.. $20.00. Refreshes and Energizes. Effervescent. Contains Essential oil of Lavender, Peppermint & Sage. Softens both the bath water and your skin. Contains fruit acids, Baking Soda, Mineral Salts and Herbs. This Natural Product from Jane Inc. is used in many top spas all over the world. Its secret, spa formula nourishes your skin while providing a cleansing aromatherapy experience for your soul.