Radox Muscle Bath Therapy 500ml. Revive yourself, with black pepper & ginseng bath soak. There’s nothing quite like a hot soak to ease the aches out of your tired body. Taking a bath in our bland of black pepper and ginseng will help gently warm your muscles and revive your body and mind. Just sink in, lie back and feel rejuvenated. Radox Bath Therapy Muscle Soak. Radox Muscle Soak Herbal Bath has been developed for your most stimulating Radox experience, when you want to wake up and get going. Radox Muscle Soak Herbal Bath contains natural ingredients chosen to help awaken your mind and revive your body.