Thunder Ridge Emu Products Maintenance Plus. Description: With 100% Pure Emu Oil. Prevention Is Better Than Cure. Natural and unscented, Maintenance Plus moisturizes while protecting the skin from exposure and chafing. It acts as a barrier, keeping irritants away from the skin while binding moisture to the skin. A favorite among health care professionals. Disclaimer: These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.