PlusWhite StainGuard Rinse
powered by plasdone™

an invisible shield for your smile.

most mouthwashes just freshen your breath. our stainguard® rinse is formulated with plasdone™—a professional-grade polymer that binds to your teeth, creating a micro-shield that actively repels new stains before they can set into your enamel.

it's the ultimate daily defense to keep your teeth whiter, longer.

defends against daily habits

locks out stubborn stains from coffee, tea, wine, and smoking.

locks in your results

use daily after the 5-minute whitening gel to maintain your bright glow.

dentist-quality & gentle

an enamel-safe formula that protects without harsh abrasives.

360-degree complete coverage

ditch the flat strips.

teeth aren't flat. standard whitening strips only touch the front of your smile, leaving the deep crevices between your teeth vulnerable to yellowing. our comfort-fit mouthpiece ensures the professional-grade gel surrounds every angle of every tooth, reaching the stubborn stains that strips simply leave behind.

Discover Plus White's Full Coverage Advantage

why strips only touch the surface.

teeth aren't flat. our 360° gel system reaches where strips can't—all in just 5 minutes.

feature whitening strips pluswhite system
applicationflat 2d adhesive360° custom tray
coveragemisses gapstotal coverage
ingredientlow-gradepro peroxide
speed30-60 minsstarts in 5 minutes
safetysensitivity risknon-abrasive ✅
valueexpensive ($$$)at-home pricing ($)

Everything You Need to Know About Plus White Gel

Frequently Asked Questions

our professional-grade gel starts working immediately. leave the comfort-fit mouthpiece in for just 5 minutes a day. for the best initial results, use daily for two weeks, then switch to 1-2 times a week to maintain your glow.

teeth aren't flat. standard whitening strips only touch the front surface of your smile, leaving the deep crevices vulnerable to yellowing. our comfort-fit mouthpiece provides true 360-degree coverage, pushing the whitening gel into every angle and gap that strips simply leave behind.

yes. you can purchase the gel refill and apply it directly to your teeth using a cotton swab or a toothbrush. however, our users report significantly better and more even results when using the comfort-fit mouthpiece included in the kit. the mouthpiece ensures true 360-degree coverage, locking the professional-grade gel in place and pushing it into deep crevices that a brush might miss.

no. our formula is completely enamel-safe and non-abrasive. it is specifically designed to lift deep stains using dentist-quality ingredients without causing the harsh sensitivity often associated with flat strips or extreme treatments.



  • 5-minute speed

    starts working immediately for a noticeably brighter smile in just five minutes a day.

  • dentist-trusted

    formulated with the exact same professional whitening agent used in dental offices.

  • enamel-safe

    a non-abrasive, gentle formula designed to whiten deep stains without the harsh sensitivity.

  • keep the coffee

    our advanced system blocks future stains so you can still enjoy your favorite wine and coffee.