Quick facts
- Canada: a mouthwash that makes only a cosmetic claim, such as freshening breath, is a cosmetic and does not need a Drug Identification Number; the same product making a therapeutic claim is a drug and does.
- Canada: the boundary is set by the claim rather than the ingredient — a Health Canada record for chlorhexidine gluconate 0.05% solution and one for chlorhexidine are filed as drug products in the Drug and Health Product Portal.
- Canada: a chlorhexidine oral rinse at 0.12 percent appears on the Ontario drug benefit formulary under a Drug Identification Number, which is how an oral rinse used for gingivitis is listed.
- United States: an oral rinse used for the reduction or prevention of dental plaque and gingivitis is the subject of the over-the-counter oral healthcare monograph, which the FDA set out in a Federal Register notice for antigingivitis and antiplaque products.
- Both countries: a chlorhexidine oral rinse is a prescription product, and the over-the-counter monograph does not cover it; the monograph covers the other oral healthcare actives.
- Canada: guidance cited here is the current Ad Standards non-therapeutic advertising guideline, read 2026-10-03.
A mouthwash is the product most likely to be filed in the wrong drawer. It looks like a cosmetic, it is sold beside toothpaste, and the ingredient list on the back is often the only thing that distinguishes one bottle from another. The rule that decides its route is not the ingredient and not the bottle — it is the claim printed on the front, and the two countries apply that rule in different words.
What decides whether a mouthwash is a drug or a cosmetic?
The claim decides, and the guidance says so directly.
The Ad Standards guideline for the nonprescription and cosmetic industry states the principle that labelling and advertising for products that "modify or restore organic functions in humans, or impact human disease" are permissible only on health products supported by appropriate evidence, and that "the representation of a benefit to human health" is what separates a therapeutic claim from a non-therapeutic one. A mouthwash sold to freshen breath is making a cosmetic claim. A mouthwash sold to reduce plaque or to treat gingivitis is making a therapeutic claim, and a therapeutic claim moves the product onto the drug route.
That single test explains why two bottles of the same colour can be filed differently. One makes a breath claim and needs no Drug Identification Number. The other makes an antiplaque claim and needs one. A clinic that orders mouthwash by brand without reading the claim is ordering across two routes without knowing it.
| Claim on the label | Canada route | Needs a number |
|---|---|---|
| Freshens breath | Cosmetic | No |
| Reduces plaque | Drug | Yes |
| Treats gingivitis | Drug | Yes |
| Reduces oral bacteria | Drug | Yes |
How is a chlorhexidine oral rinse reached in each country?
Through the drug route in both, and the difference is the instrument that lists it.
In Canada a chlorhexidine oral rinse is a drug. Health Canada records filed in the Drug and Health Product Portal for chlorhexidine and for chlorhexidine gluconate 0.05% solution sit on the drug side of the portfolio, and a 0.12 percent oral rinse used for gingivitis appears on the Ontario drug benefit formulary under its Drug Identification Number. The rinse reaches the shelf through its own authorisation rather than through a category.
In the United States an oral rinse used for plaque and gingivitis is the subject of the over-the-counter oral healthcare monograph. The FDA set out the conditions for antigingivitis and antiplaque drug products in a Federal Register notice and maintains the monograph as an administrative order. A chlorhexidine oral rinse is not an over-the-counter monograph product, so it is dispensed on prescription.
The device side of the mouth is separate again. A mouth rinse bottle is a container and not a device, while the instruments used beside it are reached through their own entries — 21 CFR 872.6855 for a manual toothbrush and 21 CFR 872.6650 for a gum-massaging tip.
| Item | Canada | United States |
|---|---|---|
| Route for a cosmetic mouthwash | Cosmetic, no number | Cosmetic route |
| Route for an antiplaque mouthwash | Drug, Drug Identification Number | OTC oral healthcare monograph |
| Route for chlorhexidine oral rinse | Drug, Drug Identification Number | Prescription drug |
| What decides the route | The claim made | The claim made |
| Where the listing sits | The product record | The monograph or the prescription file |
Which oral care actives does the American monograph cover?
The monograph covers the actives it names and not others, which is why chlorhexidine sits outside it.
The over-the-counter oral healthcare monograph lists the actives that may be sold for the reduction or prevention of plaque and gingivitis without a prescription. A chlorhexidine oral rinse is not among them, so it is dispensed on prescription rather than sold over the counter. That distinction is the one most often lost when an ingredient list is compared across countries: the fact that a rinse is sold beside a toothpaste in one pharmacy says nothing about whether the same product is over the counter in the other country.
The professional standards that sit over the dental practice are set by the provincial college. The Royal College of Dental Surgeons of Ontario sets the standards and guidelines a practice works to, and the Canadian Dental Association carries the national clinical reference material. A practice that stocks an oral rinse beside its instruments is working to both the drug rules and the practice standards at once.
The same boundary applies on a patient leaflet. A product promoted to reduce oral bacteria is making a therapeutic claim in both countries, so the leaflet that the practice hands over carries the same claim the label does, and the two have to agree. A leaflet that adds an antiplaque claim the label does not carry is a leaflet that changes the product it describes.
What should a dental practice record for an oral rinse?
Five fields, and the first is the claim on the label.
- The claim on the label. The claim is what decides whether the product is a drug or a cosmetic, so the record keeps the claim text rather than the product name.
- The authorisation or exemption relied on. A drug records its number; a cosmetic records that no number is required.
- The lot and the expiry. An oral rinse is a dated product, and both fields belong on the record.
- The dispensing record. A prescription rinse dispensed in the practice needs the same record as any other dispensed drug.
- The reference. The guidance or rule relied on, with the date the text was read.
Which consumables does a two-chair practice restock?
A practice that keeps an oral rinse on the shelf also runs through the barrier and absorbency lines that sit beside it. The 3-layer paper and PE dental bibs cover the patient barrier at every appointment, and the 2 medium cotton rolls keep the field dry while a rinse is applied. A practice that runs its own steriliser pairs the sterilization monitoring collection with the biological indicator 5-pack trial, which keeps the spore test record current for the instruments used chairside. For clinics and multi-site groups buying at case level, the wholesale ordering page sets out account and case terms, and the B2B wholesale collection lists the lines held for institutional buyers, from barriers to cotton rolls. Reselling? become a distributor.
A record that starts with the claim answers a stock question and a dispensing question from the same page, and it keeps a cosmetic bottle from being logged as if it were a drug.
Sources
- Federal Register, oral health care drug products for over-the-counter human use
- FDA, over-the-counter monograph M022, oral healthcare products
- Health Canada, chlorhexidine record
- Health Canada, chlorhexidine gluconate 0.05% solution record
- Health Canada, drug and health product portal
- Ad Standards, guidelines for the nonprescription and cosmetic industry
- 21 CFR 872.6855, manual toothbrush
- 21 CFR 872.6650, massaging pick or tip for oral hygiene
- 21 CFR 872.6390, dental floss
- Medical Devices Regulations, SOR/98-282
- ISO 15189:2022, medical laboratories requirements
- ISO 13485:2016, medical device quality management
- ISO 14971:2019, risk management of medical devices
- Royal College of Dental Surgeons of Ontario
- Canadian Dental Association
- Public Health Ontario, laboratory services test index
- CCOHS, OSH answers
- openFDA device classification API
- Ontario Ministry of Health, drug benefit formulary
- Health Canada, drug and health product portal, medical devices
A rinse that is logged under the wrong claim is a rinse that is hard to reconcile at stocktake. The printable oral care stock sheet is a free sheet with columns for the product, the claim on the label, the lot, the expiry and the dispensing record, so the drug and cosmetic lines stay in their own columns. The stock sheet generator built for a two-chair practice sizes the sheet to the number of chairs and the number of rinses a practice keeps. No account and no sign-up are needed to open either one.
Where the route of an oral rinse or the record expected for a dispensed product needs to be set out for an inspection, a written answer is worth more than a general one. Ask a compliance specialist and a written answer comes back specific to your equipment and province, with the regulation or standard it is based on cited.
Related reading
- Sports Mouthguards in Canada vs the US: Which Rules Apply
- Dental Floss in Canada vs the US: Which Class Applies
- Dental Bib Materials Compared: Polypropylene vs Tissue Bibs
CliniEco Medical supplies laboratory, eye care and dental consumables of the kind described in this article. MDEL #35334. This article is written for dental, hygiene and procurement professionals and is not legal advice; the products dispensed and the records kept by a practice belong to the practice and to the requirements that apply to it.
Frequently Asked Questions
Is mouthwash a drug or a cosmetic in Canada?
A mouthwash that makes only a cosmetic claim, such as freshening breath, is a cosmetic and does not need a number. A mouthwash that makes a therapeutic claim, such as reducing plaque or treating gingivitis, is a drug and needs a Drug Identification Number.
Is chlorhexidine mouthwash over the counter in the United States?
No. A chlorhexidine oral rinse is dispensed on prescription, and it is not an over-the-counter product under the oral healthcare monograph.
What separates a therapeutic claim from a cosmetic claim?
The Ad Standards guideline states that the representation of a benefit to human health is what separates a therapeutic claim from a non-therapeutic one, so a claim that a product modifies or restores a body function is a therapeutic claim.
Does the ingredient or the claim decide the route?
The claim decides. The same active ingredient can sit on the cosmetic route under a breath claim and on the drug route under an antiplaque claim.
Which American section covers a manual toothbrush?
21 CFR 872.6855 covers a manual toothbrush, and 21 CFR 872.6650 covers a massaging pick or tip for oral hygiene.
Which records should a practice keep for an oral rinse?
Record the claim on the label, the authorisation or exemption relied on, the lot and expiry, the dispensing record, and the guidance or rule relied on with the date it was read.
0 comments