⚡ Frequently Asked Questions

Everything You Need to Know

Got questions? We've got answers. Click any question below to learn more.

Yes! The U-shape contacts every tooth at once while delivering 30,000+ sonic vibrations per minute. That means a complete dentist-grade clean — top, bottom, and sides — in just 30 seconds.

Absolutely. The soft nylon bristles plus a silicone gumline row gently massage your gums. With 3 cleaning modes (Gentle, Deep Clean, Gum Care), you can pick the intensity that's right for you.

FlashSmile holds a charge for up to 30 days of regular use. Charges via USB-C and is fully waterproof — perfect for travel or shower brushing.

Free shipping on every order — no minimum required. Plus, every FlashSmile comes with a 30-Day Money-Back Guarantee. Not happy? Return it for a full refund. No questions asked.

We recommend replacing your brush head every 3 months for optimal cleaning performance. Replacement heads are available on our site starting at $25.