Plus White Warranty Registration
Your Comfort-Fit Mouthpiece is Protected.
Register your Plus White warranty for 12-month free replacement coverage on your Comfort-Fit Mouthpiece. Lost, damaged, or worn out — we'll send a new one at no charge.
Step 1
Register Your Warranty
Takes 30 seconds. We'll email confirmation within minutes.
Register
Fill in the form. Takes 30 seconds.
Get confirmed
We'll email confirmation within minutes.
Replace if needed
Return anytime in the next 12 months.
Already registered?
Need a Replacement?
Tell us where to send a new Comfort-Fit Mouthpiece. We'll match your registration on file and ship at no charge. We reply within one business day to confirm.
Start replacement request
Frequently Asked Questions
Who can register?
Anyone who purchased a Plus White Whitening Kit or Whitening System on Amazon within the past 12 months.
Is there a cost?
No. Registration is free, and the replacement Comfort-Fit Mouthpiece is free if you need one within 12 months of purchase.
How does the replacement work?
Return to pluswhite.com/pages/warranty, fill in the replacement request, and we'll ship a new Comfort-Fit Mouthpiece to the address you provide. We reply within one business day to confirm.
What counts as "worn out"?
A Comfort-Fit Mouthpiece that no longer holds its shape, has cracks, discoloration that affects fit, or that you've simply outgrown comfort-wise.