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Benzoyl Peroxide


Related terms
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    Related terms
    • Brand Names: U.S.: Acne Clear Maximum Strength [OTC];BenzEFoam UltraT;BenzEFoamT;BenziqT;BP Cleanser [OTC];BP Cleansing Lotion [OTC];BP Wash [OTC];BPO;Clean & Clear® advantage® 3-in-1 [OTC];Clean & Clear® continuous control® [OTC];Clean & Clear® persa-gel® 10 [OTC];Clearskin [OTC];Desquam-X® 10 [OTC];Desquam-X® 5 [OTC];Inova®;Neutrogena® On The Spot® Acne Treatment [OTC];OXY® Clinical Clearing Treatment [OTC];OXY® Maximum Face Wash [OTC];OXY® Maximum Spot Treatment [OTC];Pacnex®;Pacnex® HP;Pacnex® LP;Pacnex® MX;PanOxyl® Bar [OTC];PanOxyl® [OTC];PanOxyl®-4 [OTC];PanOxyl®-8 [OTC];PRT Wash;SE BPO;TL BPO MX;Zapzyt® [OTC]
    • Brand Names: Canada: Acetoxyl®;Benoxyl®;Benzac AC®;Benzac W® Gel;Benzac W® Wash;Desquam-X®;OxydermT;PanOxyl®;Solugel®

    • It is used to treat pimples (acne).
    • Benzoyl peroxide works to harm the bacteria and fight the infection causing the pimples (acne).


    How to take

    • Do not take this drug by mouth. Use on your skin only. Keep out of your mouth, nose, and eyes (may burn).
    • Wash your hands before and after use.
    • Clean affected part before use. Make sure to dry well.
    • Shake foam and lotion well before use.
    • Put a thin layer on the affected skin and rub in gently.
    • Makeup may be used after the skin has dried.
    • Cleanser:
    • Wash and rinse affected skin with warm water, then pat dry.
    • Cloth:
    • Wet cloth with water and work into lather.
    • Wash your face with a cloth for 10 to 20 seconds.
    • Rinse face and pat dry.
    • Face mask:
    • Clean affected part before use. Make sure to dry well.
    • Put a thin layer on the affected skin and rub in gently.
    • Wait 15 to 25 minutes for the mask to dry, then rinse with warm water, and pat dry.
    • Shaving cream:
    • Wet affected part and put on a thin layer.
    • Shave, rinse with warm water, and pat dry.

    Missed Dose

    • Put on a missed dose as soon as you think about it.
    • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
    • Do not put on 2 doses or extra doses.
    • Do not change the dose or stop this drug. Talk with the doctor.


    • Store at room temperature. Do not freeze.



    • If you have an allergy to benzoyl peroxide or any other part of this drug.
    • Tell your doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.


    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Check all drugs you are taking with your doctor. This drug may not mix well with some other drugs.
    • Use of other skin products may cause more irritation.
    • You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
    • This drug may stain clothing or fabric.
    • This drug may stain hair.
    • Tell your doctor if you are pregnant or plan on getting pregnant.
    • Tell your doctor if you are breast-feeding.

    Side Effects

    • Dry skin.
    • Skin irritation.
    • Itching.
    • Change in color of skin.


    • Change in the health problem being treated. Is it better, worse, or about the same?
    • Follow up with the doctor.

    Contact a healthcare provider

    • If you think there was an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue or gray skin color; seizures; or swelling of face, lips, tongue, or throat.
    • Very bad skin irritation.
    • Any rash.
    • Side effect or health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear an allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs may be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada, take any unused drugs to the pharmacy. Also, visit to learn about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
    • Call your doctor for help with any side effects. If in the U.S., you may also call the FDA at 1-800-FDA-1088 or if in Canada, you may also call Health Canada's Vigilance Program at 1-866-234-2345.
    • Talk with the doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2013 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.