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Mouth OS

The End
of the
Tube.

A precision-dosed Dissolvable Film. No water. No mess. No tube.

Fluoride-Free Hydroxyapatite Ionic Zinc No Water No Mess
Cancel anytime · Free shipping on quarterly orders
Clean Saint Mouth OS Mint Frost Dissolvable Film placed on front teeth — man in marble bathroom
How It Works

Three seconds. Zero water.

Mouth OS dissolves on contact. No tube. No mess. Waterless by design.

01
Clean Saint Mouth OS Mint Frost Step 1 — Peel the individually sealed foil sachet

Peel & Open

Pull back the foil. Your Dissolvable Film is individually sealed for freshness and formula stability.

02
Clean Saint Mouth OS Mint Frost Step 2 — Place Dissolvable Film on front teeth, A.C.E. Technology activates

Place & Activate

Press the film onto your front teeth. A.C.E. Technology™ activates on contact, delivering hydroxyapatite and Ionic Zinc directly to enamel.

03
Clean Saint Mouth OS Mint Frost Step 3 — Brush normally, film dissolves completely, hydroxyapatite delivered

Brush & Go

Brush as normal. The film dissolves completely — no rinsing, no residue, no tube. 60 brushes per box. Your full 30-day supply, done.

Built Different

Everything you need.
Nothing you don't.

Clean Saint Mouth OS Mint Frost sachet in TSA airport security tray — waterless Dissolvable Film TSA approved carry-on
TSA Approved

Flies carry-on anywhere in the world. No liquid restrictions. No confiscation. Ever.

Clean Saint Mouth OS Mint Frost sachet in shirt pocket outdoors golden hour — waterless oral care Dissolvable Film
No Water Needed

Activates dry. Works anywhere. No sink, no cup, no mess required.

Clean Saint Mouth OS Mint Frost sachet and toothbrush on marble — 60 brushes 30 day supply
60 Brushes Per Box

One box. One month. Precision dosed every single brush — nothing wasted.

Clean Saint Mouth OS Mint Frost sachet in luxury hotel suitcase — premium travel oral care Dissolvable Film
Travel Ready

Hotel room. Red-eye flight. Morning meeting. Mouth OS goes everywhere you do.

Clean Saint Mouth OS Mint Frost sachet in gym bag locker room — zero plastic tube sustainable oral care
Zero Plastic Tube

Individual foil sachets. No plastic tube. No squeeze. Nothing wasted.

Clean Saint Mouth OS Mint Frost sachet on marble with eucalyptus — cGMP manufactured Los Angeles
Made in Los Angeles

cGMP manufactured in Los Angeles, CA. Patent Pending.

The Upgrade

Your bathroom counter called.
It wants its space back.

Clean Saint Mouth OS Mint Frost — old toothpaste tube vs new Dissolvable Film sachet side by side comparison on marble
The Tube
  • Messy, imprecise application every time
  • Formula degrades after opening
  • Plastic tube in the trash every month
  • Banned on flights over 100ml
  • Active ingredients diluted by water before reaching enamel
Mouth OS
  • Precision dosed every single brush
  • Individually sealed for freshness and formula stability
  • Zero plastic tube. Zero waste.
  • TSA approved. Flies carry-on anywhere.
  • A.C.E. Technology™ — active on contact, zero dilution
Choose Your Supply

The cleaner choice,
priced to commit.

Single Box $49 + $4.95 shipping
60 Brushes · 30 Day Supply 82¢ per brush
Order Now Upgrade to subscribe anytime
Most Popular
Monthly $39/mo FREE Shipping
60 Brushes · 30 Day Supply 65¢ per brush Save $10 vs one-time
Subscribe and Save Cancel anytime · No fees · No friction
Clean Saint Mouth OS Mint Frost box — 60 Brushes 30 Day Supply Dissolvable Film
Early Adopters

The tube is already in the trash.

5.0 ★★★★★ · Based on VIP Backer Reviews
Clean Saint Mouth OS Mint Frost early backer UGC review — Los Angeles

"I didn't think I'd switch from toothpaste. Then I tried Mouth OS."

Early Backer, Los Angeles

Clean Saint Mouth OS Mint Frost VIP pre-order review — New York

"TSA safe, mess free, and my teeth feel cleaner than ever."

VIP Pre-Order, New York

Clean Saint Mouth OS Mint Frost beta tester review — San Francisco

"The packaging alone convinced me. The film sealed the deal."

Beta Tester, San Francisco

Your mouth upgraded. Your counter cleared.

60 brushes. 30 days. Zero tube. Ships May 2026.

Upgrade Your Mouth OS From $39/mo · Free shipping on quarterly orders
Patent Pending · cGMP Manufactured · Made in Los Angeles
The Science

Built to reach enamel.
Not just coat it.

A.C.E. Technology™ — Active Cellular Emulsion
Clean Saint A.C.E. Technology diagram — Conventional Paste vs Active Cellular Emulsion concentrated direct enamel delivery

Why conventional paste falls short.

Traditional toothpaste is over 70% water. The moment it contacts saliva, active ingredients dilute and disperse, scattered away from the enamel surface before they can adhere.

A.C.E. Technology™ is a waterless emulsion matrix. With zero dilution, hydroxyapatite, Ionic Zinc, and Xylitol are delivered as a concentrated dose that adheres directly to enamel on contact.

Your oral microbiome, the community of bacteria that governs gum health, breath, and overall oral balance, responds to what you put in your mouth every day. Ionic Zinc and Xylitol work together to support a balanced oral environment, while hydroxyapatite delivers a biomimetic mineral directly to the enamel surface. Every brush is precise. Nothing wasted.

Research continues to show the connection between oral microbiome health and systemic wellbeing. A balanced oral environment is not just about fresh breath. It is foundational to overall health.

Hydroxyapatite

A biomimetic mineral identical in composition to natural tooth enamel. Delivered without dilution directly to the enamel surface. Fluoride-free.

Ionic Zinc

Supports a balanced oral environment. Precision dosed per brush, concentrated active delivery, not diluted paste.

Xylitol

Naturally derived. Supports a clean oral microbiome. Works in concert with Ionic Zinc to maintain oral environment balance.

Mint Frost

Peppermint and Spearmint Oil. Clean, lasting freshness from the first second. No artificial flavoring required.

Pullulan Film Matrix

The carrier. A naturally derived polysaccharide that dissolves completely on contact with saliva, leaving nothing behind except active ingredients on enamel.

Full Ingredient List (INCI)

Pullulan, Cellulose, Precipitated Silica, Potassium Nitrate, Hydroxyapatite, Zinc Citrate, Xylitol, Stevia Rebaudiana Leaf Extract, Sodium Cocoyl Isethionate, Glycerin, Potassium Sorbate, Lecithin, Mentha Piperita (Peppermint) Oil, Mentha Spicata (Spearmint) Oil

Patent Pending · USPTO 63985499 & 63997017 · cGMP Manufactured · Made in Los Angeles, CA