Preop

Hydrogen Peroxide · Rinse · Oral

Over the counter

Active ingredient

​Active ingredient Hydrogen Peroxide 2.65%​​

Purpose

Purpose antiseptic oral rinse

Uses

Uses for dental procedural rinsing to help prevent infection in minor oral irritations

Warnings

Warnings Do not use this product for more than 7 days unless directed by a dentist or physician.

When using this product

When using this product , do not swallow

Stop use and ask a doctor

Stop use and ask a doctor if sore mouth symptoms do not improve within 7 days irritations, pain or redness persists or worsens swelling, rash or fever develops

Keep out of reach of children

Keep out of reach of children. If more than used for rinsing is accidentally swallowed, get medical help or contact a poison Control Center right away.

Directions

Directions:
• Adults and children 2 years of age and older: rinse two pumps (4-5 mL) around in the mouth over the affected area for at least 15 seconds, then spit out
• Children under 12 years of age should be supervised in the use of this product
• Children under 2 years of age: consult a dentist or physician

Inactive ingredients

Inactive Ingredients: Etidronic acid, glycerine, menthe arvensis oil, PEG, PVP, sodium benzoate, sodium citrate, sodium lauryl sulfate, sucralose, water

Questions?

Questions? +1 (855) 595-2999

Label text from the FDA structured product label by Everbrands, Inc. (revised Apr 20, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Preop NDC products (1)

NDCStrength & formLabelerType
72655-200Hydrogen Peroxide 26.5 mg/mL
Rinse
Everbrands, Inc.OTC MONOGRAPH DRUG

Frequently asked questions

What is Preop used for?

Uses for dental procedural rinsing to help prevent infection in minor oral irritations

Who makes Preop?

Preop is listed by 1 labeler in the FDA NDC directory, including Everbrands, Inc..