The new era of person hydration
Conditional awareness
PÜL considers various factors like weather, exercise, alcohol, altitude, and temperature to provide personalized hydration advice for your unique needs, ensuring optimal hydration regardless of the circumstances.
Every sip captured
Our unique FlowSense technology measures every sip instantly and allows for live progress tracking when you drink.
Reinforcing healthy habits
Our training loop is designed to optimize the formation of new habits. This is done by running the hydration algorithm locally on the device, so that you can see feedback on your status as you drink — which increases your likelihood to stay on target with your goals.
Longitudinal insights
PÜL uses cognitive behavior therapy to help people train lasting hydration habits.
Designed to support scientists and researchers
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Meet our science team
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Stavros Kavouras, Ph.D.
Stavros Kavouras is the Director of Hydration Science Lab studying the mechanisms by which water intake impacts health and performance. He is also the Assistant Dean and Professor of Nutrition at Arizona State University. Dr. Kavouras is the author of more than 140 peer review articles and he has given lectures in 29 countries. He is a section-Editor of the European Journal of Nutrition and Frontiers in Nutrition.
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Esther K. Papies, Ph.D.
Esther K Papies, Ph.D., is an associate professor in the School of Psychology and Neuroscience at the University of Glasgow, where she heads the Healthy Cognition Lab and the Research Centre for Social, Cognitive and Affective Neuroscience. Dr. Papies is an expert in the psychological processes underlying desire for food and drink, and successful behavior change in the domain of health and sustainability.
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Joseph Wang, Ph.D.
Joseph Wang is an American researcher and inventor. He is a Distinguished Professor, SAIC Endowed Chair, and former Chair of the Department of Nanoengineering at the University of California, San Diego specializing in nanomachines, biosensors, nanobioelectronics, wearable devices, and electrochemistry.
