Dexcom G7 Users: Why Regular Patches Don’t Always Work

Dexcom G7 Users: Why Regular Patches Don’t Always Work

If you've recently switched to the Dexcom G7 and your sensor keeps peeling early, you’re not alone. Many users discover that standard patches aren’t strong enough for the Dexcom G7 – especially during summer, workouts, or day-to-day movement.

Here’s why the G7 needs more from your patch – and what to use instead for reliable Dexcom sensor hold.


What makes the Dexcom G7 unique?

The Dexcom G7 is smaller, flatter, and easier to wear – but its low profile also means less surface area for grip. That makes adhesive performance even more important.

If your patch isn’t designed specifically for the G7, you’re more likely to experience:

  1. Sweat-related peeling

  2. Edges lifting during exercise or sleep

  3. Water breaking down adhesion

  4. Poor sensor readings from shifting


Why regular patches don’t work for G7 sensors

Let’s break down the most common patch problems G7 users face:

  1. Shape mismatch: Generic patches often don’t align with the G7’s size and edge design. They either cover too little or interfere with the sensor adhesive itself.

  2. Adhesive failure: Any regular patches can’t keep up with summer heat or high movement. A quick rinse, and your patch starts curling.

  3. Skin discomfort: Without breathable materials or skin-safe adhesives, regular patches can irritate sensitive areas or cause redness over time.


Dexcom G7 vs. generic patches: What’s the difference?

Here’s how Dexcom G7 patches from Type Strong stack up:

Feature

Dexcom G7 patches (Type Strong)

Generic patches

Sensor-specific fit

✓ Yes – G7-specific cut

✗ Often one-size-fits-all

Waterproof & sweat-proof

✓ Yes

✗ Varies – not always reliable

Hypoallergenic adhesive

✓ Skin-safe materials

✗ May contain harsh adhesives

Designed for active wear

✓ Designed for workouts & water

✗ May lift during sweat or friction

Average wear time (days)

5–10 days

2–4 days

Comfort in heat & movement

✓ High comfort, low irritation

✗ Can rub or peel early


How to improve Dexcom sensor hold

If you’re struggling to keep your G7 secure, start with:

  1. Proper skin prep: Clean the site thoroughly, let it dry, and apply Type Strong Skin Adhesive Wipes to boost stickiness.

  2. Use the right patch shape: The G7’s unique design needs a snug-fitting patch. A loose fit leads to water seepage and friction damage.

  3. Avoid lotions or sunscreen under your patch: These reduce bond strength and increase edge peeling.

  4. Rotate placement areas: This helps prevent skin irritation and improves patch wear time.

For more prep guidance, see our blog on proper skin prep.


The best patches for Dexcom G7 this season

Our Dexcom G7 patches – 20 pack are:

  1. Cut precisely to fit the G7’s circular shape
  2. Waterproof and sweat-proof
  3. Built with hypoallergenic adhesive for sensitive skin
  4. Made from soft, breathable material for all-day comfort

Need more than one style? The Type Strong Patch Bundle includes a variety of G7, Libre, Omnipod and pump patches – ideal if you want seasonal coverage or use multiple devices.

Frequently asked questions

  1. Why won’t my Dexcom G7 patch stay on? The G7’s small surface area makes secure adhesion harder. Sweat, friction, and movement can all break a weak patch bond. Using G7-specific patches and prepping with adhesive wipes helps extend wear.
  2. Can I use generic patches on my Dexcom G7? You can, but they often lack the right fit and materials. Many are cut for older sensors like the G6 or Libre. This can lead to peeling, moisture leaks or poor hold. For best results, use patches made for the G7.
  3. How long should a Dexcom G7 patch last? With proper skin prep and a well-designed patch, you should get 5–10 days of wear, even with daily movement or light swimming. If your patch isn’t lasting that long, check for signs it's too weak.
  4. Will a Dexcom G6 patch work on the G7? Not reliably. The sensors have different shapes, so using a G6 patch on a G7 may result in poor fit or incomplete protection. Always choose a patch tailored to your device.


Final thoughts

If you’ve been searching for a Dexcom G7 patch that actually holds, you’re not alone – and you’re not stuck.

Generic patches might work for a while, but when heat, sweat or real movement hits, only a properly designed G7 patch can deliver the sensor security you need.

Ready to stop reapplying? Try Dexcom G7 patches from Type Strong – and feel the difference of a patch that’s made to move with you.

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