They add a layer of medical-grade adhesive around your sensor, reinforcing the bond across a wider skin area and preventing peeling during activity.

Yes - all Glucology CGM patches are fully waterproof. The adhesive and fabric are designed to maintain a strong, secure hold when exposed to water, including showers, rain, and sweat.

Absolutely. Glucology CGM patches are swim-safe and tested to hold up in both pool and open-water environments. Whether you're doing laps, surfing, or taking a long bath, the waterproof adhesive keeps your sensor in place throughout.

Glucology CGM patches are made from a hypoallergenic cotton-spandex blend and use a gentle, latex-free medical adhesive, making them suitable for sensitive skin.

Glucology CGM patches are available in multipacks so you always have a supply on hand. Pack sizes vary by device type, check individual product listings for exact quantities. Buying in a multipack is the most cost-effective way to ensure you're covered for every sensor session.

A CGM patch (or sensor overpatch) adds a second layer of adhesion over your sensor to prevent it from lifting during physical activity, sweating, or water exposure, saving you from costly early sensor replacements.