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Why Should I Wet or Use a Conductive Cream on My Cardiac Sensors?

Applying water or a conductive cream to the cardiac sensors helps Hexoskin capture accurate heart data by improving electrical contact with your skin.

For optimal signal quality, Hexoskin recommends applying a conductive cream (or a glycerin-based cream) to the shirt’s cardiac sensors.

  • Apply about a nickel-sized amount of cream on each electrode to improve the electrical signal.

  • The cardiac sensors measure the electrical activity on the surface of your skin. Because skin naturally resists electrical conduction, a conductive agent ensures the sensors can capture accurate data.

✅ Water vs. Conductive Cream

  • Using water: You may need to re‑moisten the electrodes every 1–2 hours.

  • Using conductive cream: Typically lasts about 24 hours or until you remove and re‑wear the shirt.

During intense physical activity, your sweat can act as a natural conductor and may reduce the need for re‑wetting.