Apply to join the Underbrush Insiders Program for a chance to receive a free full-size 18-pack of Underbrush Natural Remineralizing Gum to try at home and share feedback. No purchase necessary to apply.
Most chewing gum is basically candy with a longer chew time. But what if your gum actually supported your oral health while freshening your breath?
That’s the idea behind Underbrush Natural Remineralizing Gum, a clean-ingredient gum made with wild tree saps and science-backed minerals. And right now, you can apply to try it for free through the Underbrush Insiders product testing program.
Free gum that helps your teeth? That’s a pretty refreshing freebie.
Gum That’s Actually Good for Your Teeth?
The Underbrush Insiders Program isn’t just a random free sample. It’s a product sampling program where selected participants receive a full-size pack of gum and then share feedback about their experience.
What makes Underbrush Gum unique is the focus on oral health and clean ingredients. Each piece includes nano-hydroxyapatite, a mineral used in some modern dental products to help support tooth enamel health.
The gum is also:
- Plastic-free and biodegradable
- Made with natural tree resin instead of synthetic gum base
- Free from artificial sweeteners like aspartame or sucralose
- Designed to support oral pH balance and saliva production
So instead of chewing gum just for flavor, the idea is to make it part of a daily oral care routine.
About Underbrush
Underbrush is part of a growing group of brands focused on clean-label wellness products. Rather than using synthetic ingredients or artificial sweeteners, the company focuses on natural materials and functional benefits.
Their gum base is made from wild tree resins, giving it a biodegradable alternative to the plastic gum bases used in many conventional products.
People who try Underbrush Gum often appreciate the simpler ingredient list and wellness-focused design, especially those interested in natural oral care routines.
The brand created the Underbrush Insiders Program to gather feedback from people who enjoy trying innovative products.
How to Get a Free Gum Sample
Applying for this free gum sampling program is quick and easy.
- Visit the application page here.
- Complete the Insiders Program application form.
- Share a bit about your interest in clean ingredients and oral health products.
- If selected, you’ll receive a full-size 18-pack of Underbrush Gum to try.
- After testing it, you may be asked to complete a short feedback survey.
Important details:
- Free item: 18-pack of Underbrush Natural Remineralizing Gum
- Offer type: Product testing/sampling program
- Eligibility: 18+ and living in the continental U.S.
- Cost: No purchase necessary
- Availability: Limited spots available
Flavors may include Mint, Berry, Cinnamon, or Honey Bun.
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Try Underbrush Gum for Free
If you’re curious about natural oral care products or clean-ingredient snacks, the Underbrush Insiders Program is worth checking out.
You could be selected to try a full-size pack of Underbrush Natural Remineralizing Gum for free and share your experience.
Head over and apply while spots are still available.
