Yotuel, Air-Lift and Xerostom product lines are designed and formulated by dentists and manufactured in Spain by Biocosmetics Laboratories. All Air-Lift and Xerostom products contain Mediterranean ingredients including Extra virgin olive oil and other essential oils. For more than 18 years, these products have been known around the world for their safety and efficacy. The products are sold in more than 70 countries around the world and are protected by over 130 patents worldwide.