Help Center

Frequently asked questions.

Everything you need to know about plQue — orders, products, and support.

Orders & Shipping

When will my order ship?

Your order is processed through Amazon’s fast and reliable fulfillment network, ensuring a fast and dependable shipping experience.

Do you ship to my country?

We currently ship across the US and Canada. International is coming soon.

Is shipping really free?

Yes. Shipping is always free

Product & Safety

How does the Disclosing Gel Pen work?

Apply a thin layer with the brush tip, swish, and rinse. Plaque is stained a bright color so you can brush exactly where it matters.

Is it safe for kids?

Yes. The formula is enamel-safe, sugar-free, and dentist-approved for ages 5+ with adult supervision.

Will it stain my tongue or sink?

The dye fades from soft tissue soon and normally rinses cleanly from porcelain and ceramic surfaces. Use with caution to prevent permanent staining

Returns & Support

What's your return policy?

30-day money-back guarantee on every product, no questions asked.

How do I contact support?

Email support@plque.com or use the contact form — we reply within 24 hours.

Can I subscribe for refills?

Subscriptions launch in early 2026. Add your email to be notified.