Bak

Benzalkonium Chloride · Liquid · Topical

Over the counter

Active ingredient

Active Ingredient: Alkyl (50% C14, 40% C12, 10% C10) dimethyl benzyl ammonium chloride, 1.33 g/l. Assayed by a non-USP method.

Purpose

Antiseptic

Uses

Uses: Intended for use as a general purpose topical antiseptic for first-aid treatment of minor cuts and abrasions.

Warnings

Caution: Mixing this solution with soaps or detergents will destroy its germicidal properties.

Keep out of reach of children

Warnings: Keep out of reach of children. Mixing this solution with soaps or detergents will destroy its germicidal properties.

Directions

Usage: Apply to affected area for first-aid treatment of minor cuts and abrasions. Discontinue use and get medical aid if redness, irritation or infection develops. In case of deep or puncture wounds consult a physician.

Inactive ingredients

Inactive Ingredients: Water

Label text from the FDA structured product label by Medical Chemical Corporation (revised Jul 2, 2026). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Bak NDC products (1)

NDCStrength & formLabelerType
12745-145Benzalkonium Chloride .1713 g/100mL
Liquid
Medical Chemical CorporationOTC MONOGRAPH DRUG

Frequently asked questions

What is Bak used for?

Uses: Intended for use as a general purpose topical antiseptic for first-aid treatment of minor cuts and abrasions.

Who makes Bak?

Bak is listed by 1 labeler in the FDA NDC directory, including Medical Chemical Corporation.