Everyone knows that regular hydration is vital for healthy bodily functions, but we bet you didn't know that chugging eight glasses of water a day isn't the only way to flush your system. With today's deal, pay $39 (regularly $90), and get refreshed from the inside out with one colonic hydrotherapy session at Carole Franck Spa. Relax in a reclining chair as warm, filtered water gently removes waste during the 30- to 40-minute session. Hydrotherapy is known to improve skin complexion, relieve constipation, aid in lymphatic drainage, and even help patients lose weight. Gohar Thomas, owner of this Glendale spa, offers 28 years of esthetic experience, and she and her licensed staff will put your privacy and comfort first. Don't flood your insides -- shower yourself in this therapeutic deal instead.