Here are examples of wearables using chemical sensors:

1. Dexcom G6 Continuous Glucose Monitor
   The Dexcom G6 is a wearable continuous glucose monitor that uses chemical sensors to measure glucose levels in the interstitial fluid. It provides real-time data, allowing users to track their glucose levels throughout the day without the need for finger pricks. The device sends alerts when glucose levels are too high or low, helping individuals with diabetes maintain optimal blood sugar control.

2. Abbott Freestyle Libre 2
   The Freestyle Libre 2 is a wearable glucose monitor that uses a chemical sensor to continuously measure glucose levels under the skin. It offers painless, 14-day continuous monitoring, allowing for better diabetes management. The device helps users avoid frequent blood tests and provides easy-to-understand reports through a smartphone app.

3. Eversense Continuous Glucose Monitoring System
   The Eversense system uses a chemical sensor embedded under the skin to monitor glucose levels continuously. It is designed for long-term wear, providing up to 90 days of data with real-time alerts sent to a smartphone app. This system is particularly beneficial for those who require frequent glucose monitoring but want to avoid the discomfort of multiple finger sticks.

4. Sweat Sensors by Gatorade
   Gatorade’s sweat sensor is a wearable patch that uses chemical sensors to analyze sweat composition, including sodium, chloride, and potassium levels. The device helps athletes track hydration and electrolyte balance during exercise. By analyzing the chemical composition of sweat, it provides personalized hydration recommendations to optimize performance.

5. Quantic® Sweat Biosensor by Xsens
   This wearable biosensor is designed to track sweat biomarkers, including lactate and glucose, through its chemical sensors. It helps athletes, especially in endurance sports, monitor performance and recovery by measuring the chemical makeup of sweat in real-time. The data collected by the sensor can be used for individualized training regimens.

6. Hapbee Wearable
   Hapbee is a wearable technology that uses chemical sensors to detect and track specific biomarker levels in sweat, such as cortisol and lactate. The device helps users monitor their emotional and physiological states, offering insights into stress, mood, and energy levels. It is particularly useful for improving mental wellness and managing stress levels throughout the day.

7. K’Watch by PKvitality
   The K’Watch is a smartwatch-like wearable that uses chemical sensors to measure glucose levels in sweat. It offers an innovative, needle-free alternative for glucose monitoring, ideal for those with diabetes. The data collected helps users track their glucose levels and take immediate actions to maintain a healthy range.

8. Biolinq Smart Patch
   The Biolinq smart patch features a chemical sensor that measures glucose levels in real-time using interstitial fluid. It is designed for individuals with diabetes, offering a non-invasive and continuous method of glucose monitoring. The device’s data is sent to an app, allowing users to view trends and make informed decisions about their health.

9. MoistureSense by NanoHybrids
   MoistureSense is a patch-based wearable that detects changes in skin moisture, such as sweat, through its chemical sensors. The device is intended for use in both athletic and clinical settings, where monitoring of hydration and other biomarkers is important. It offers a simple, non-invasive solution for tracking sweat rates and optimizing physical performance.

10. LifeSignals ECG Patch
    LifeSignals offers a wireless ECG patch that features chemical sensors to monitor various biomarkers like electrolyte imbalances, hydration levels, and heart health. It continuously sends ECG data and other critical health information to a mobile app. This wearable is particularly useful for patients with chronic conditions or athletes looking to optimize their cardiovascular health.

11. Glucowise Non-Invasive Glucose Monitoring System
    The Glucowise wearable uses a chemical sensor to monitor blood glucose levels without the need for a needle or blood draw. It detects glucose levels through skin absorption, offering a less invasive alternative for people with diabetes. The device provides real-time glucose data and syncs with a smartphone for easy tracking.

12. Xsens Motion Capture System
    Xsens wearables combine chemical sensors and motion tracking technology to analyze physical performance and fluid biomarkers like hydration levels during exercise. It is used by professionals and athletes to understand body dynamics and optimize performance based on the chemical signals emitted during movement.

13. Hexoskin Smart Shirt with Chemical Sensors
    Hexoskin integrates chemical sensors into its smart shirt to track various body metrics, including sweat rate and lactate levels. The shirt provides real-time data on hydration, physical effort, and metabolic rates, helping athletes monitor their performance. This wearable is ideal for both fitness enthusiasts and professional athletes.

14. Siren by Sensys
    Siren is a wearable that incorporates chemical sensors to monitor glucose levels and other critical health metrics, such as ketones and dehydration. The device provides real-time alerts when levels go beyond a healthy range, helping users manage conditions like diabetes. The wearable offers a non-invasive, continuous monitoring solution to improve health outcomes.

15. Nutrigenomix Wearable Patch
    Nutrigenomix uses a wearable patch that combines chemical sensors to measure metabolic rate, sweat composition, and nutritional deficiencies. It provides real-time feedback to help users optimize their diet and exercise regimens based on their body’s unique chemical profile. The device is designed for individuals who want to enhance their overall health through personalized nutrition tracking.

These wearables demonstrate the powerful application of chemical sensors in health monitoring, ranging from glucose tracking to hydration optimization and metabolic analysis. They provide valuable insights into users’ health in real-time, enabling informed decisions to improve well-being.