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Acnecide 5% Wash 50g

Acnecide 5% Wash 50g

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  • ✔️ Targets acne-causing bacteria with 5% benzoyl peroxide
  • ✔️ Reduces spots, redness, and inflammation effectively
  • ✔️ Suitable for face, back, and chest acne
  • ✔️ Antibiotic-free formula — no resistance risk
  • ✔️ Visible improvement typically seen within 4–6 weeks

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Is Benzoyl Peroxide Face Wash Right for Your Acne?

 

Acne is one of the most common skin conditions in the UK, affecting up to 95% of people aged 11 to 30 at some point in their lives, according to the NHS. It can knock your confidence, cause discomfort, and — if left untreated — lead to scarring. Acnecide 5% Wash 50g is a clinically recognised, over-the-counter topical treatment designed to tackle mild to moderate acne vulgaris. Available from our skin care range at Cured Pharmacy, it offers a straightforward, pharmacist-recommended option for people looking to manage breakouts without a prescription.

The active ingredient is benzoyl peroxide at a 5% concentration — a well-established antibacterial agent that has been used in acne management for decades. As a benzoyl peroxide face wash, Acnecide 5% is applied directly to the skin, making it easy to incorporate into your daily cleansing routine. It is suitable for use on the face, back, and chest, wherever acne tends to appear.

 

How Does Acnecide 5% Wash Work on Acne?

 

Benzoyl peroxide works through a targeted antibacterial mechanism. When applied to the skin, it breaks down into benzoic acid and oxygen. That release of oxygen creates an environment that is hostile to Cutibacterium acnes (formerly known as Propionibacterium acnes), the anaerobic bacterium most closely associated with acne development. Killing off this bacterium reduces inflammation and the formation of new spots.

  • Releases oxygen into the skin to destroy acne-causing bacteria
  • Reduces excess sebum (skin oil) production
  • Helps to unblock pores and prevent comedone formation
  • Has a mild keratolytic effect, gently removing dead skin cells

Unlike some antibiotic-based acne treatments, benzoyl peroxide does not contribute to antibiotic resistance — an important consideration highlighted by the NHS and dermatology guidelines.

 

Who Should Use Acnecide 5% Wash?

 

This wash is intended for adults and adolescents aged 12 and over who are experiencing mild to moderate acne. It is particularly useful if you have tried basic skincare changes without success and want a clinically active ingredient in your routine. That said, it is not suitable for everyone.

  • Adults and teenagers (12+) with mild to moderate acne vulgaris
  • People with oily or combination skin prone to breakouts
  • Those who prefer a wash-off format over leave-on gels or creams
  • Individuals looking for an antibiotic-free acne treatment option

It is not recommended for use in children under 12, and those with very sensitive or eczema-prone skin should seek pharmacist advice before starting. If your acne is severe, nodular, or cystic, you should speak to your GP rather than relying on an OTC product alone.

 

How Does Acnecide 5% Wash Compare to Other Acne Washes?

 

Feature Acnecide 5% Wash Salicylic Acid Cleanser
Active ingredient Benzoyl peroxide 5% Salicylic acid (typically 0.5–2%)
Mechanism Antibacterial + keratolytic Exfoliating + pore-clearing
Suitable for Inflammatory acne, pustules Blackheads, whiteheads, mild acne
Antibiotic resistance risk None None

 

Is Acnecide 5% Wash Safe to Store at Home?

 

Yes — Acnecide 5% Wash should be stored below 25°C, away from direct sunlight and out of reach of children. It does not require refrigeration. Check the expiry date on the packaging before use, and do not use the product if the tube has been damaged or the seal broken. If you are browsing other topical options, you may also find useful products in our creams and ointments collection.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Acnecide 5% Wash 50g specifications
Treatment category Acne treatment
Active ingredient Benzoyl peroxide 5%
Mechanism of action Antibacterial (releases oxygen to kill Cutibacterium acnes) and keratolytic
Effective for Mild to moderate acne vulgaris
Suitable for Adults and adolescents aged 12 and over
Pack size 50g
Strength 5% w/w benzoyl peroxide
UK classification Pharmacy (P) medicine
Drug class Topical antibacterial / keratolytic
Preparation Wash / gel
Route of administration Topical (cutaneous)

Specifications of Acnecide 5% Wash 50g

 

What Is Acnecide 5% Wash and What Is It Used For?

 

Acnecide 5% Wash is a topical acne treatment containing 5% benzoyl peroxide as its active ingredient. It is used to treat mild to moderate acne vulgaris — the type of acne characterised by blackheads, whiteheads, papules, and pustules. It is available over the counter as a Pharmacy (P) medicine, meaning you can buy it without a prescription but a pharmacist should be involved in the sale. The NHS recognises benzoyl peroxide as a first-line treatment for acne, particularly for inflammatory spots.

 

What Do You Need to Know Before Using Acnecide 5% Wash?

 

Before you start using this product, there are some important safety points to be aware of. Do not use Acnecide 5% Wash if any of the following apply to you:

  • You are allergic to benzoyl peroxide or any other ingredient in the formulation
  • You are under 12 years of age
  • You have eczema, seborrhoeic dermatitis, or rosacea on the area to be treated
  • You have very sensitive or broken skin

There are also some important warnings to keep in mind during use:

  • Avoid contact with eyes, lips, nostrils, and mucous membranes
  • Benzoyl peroxide can bleach hair, towels, clothing, and bedding — rinse thoroughly after use
  • Avoid excessive sun exposure or UV lamp use while using this product; apply SPF if going outdoors
  • If you are pregnant or breastfeeding, speak to your GP or pharmacist before use
  • Do not use alongside other topical acne products without pharmacist advice, as this may increase irritation

In terms of drug interactions, topical benzoyl peroxide has no clinically significant systemic drug interactions due to its minimal absorption. However, using it alongside other topical agents — such as retinoids or topical antibiotics — should be discussed with a pharmacist or dermatologist, as combinations can sometimes increase skin sensitivity.

  • Topical retinoids (e.g. tretinoin) — may increase irritation if used simultaneously
  • Other topical acne preparations — concurrent use may cause excessive dryness

 

How Should You Use Acnecide 5% Wash?

 

Using Acnecide 5% Wash correctly is key to getting the best results while minimising irritation. Follow these steps each time you use it:

  1. Wet the affected area of skin with lukewarm water
  2. Squeeze a small amount of the wash onto your fingertips
  3. Apply gently to the affected area and lather for 1–2 minutes
  4. Rinse thoroughly with water and pat dry with a clean towel
  5. Avoid rubbing the skin vigorously — this can worsen irritation
  6. Wash your hands after use
Indication Age Group Dose Frequency
Mild to moderate acne 12 years and over Small amount to affected area Once or twice daily
Sensitive skin (initial use) 12 years and over Small amount to affected area Once daily, increasing gradually

 

What Are the Possible Side Effects of Acnecide 5% Wash?

 

Like all medicines, Acnecide 5% Wash can cause side effects, although not everyone experiences them. Skin reactions are most common during the first two weeks of use and often settle as your skin adjusts.

Common side effects:

  • Skin dryness and peeling
  • Redness and mild irritation at the application site
  • Stinging or burning sensation, particularly on first use

Less common side effects:

  • Skin oedema (swelling) at the application site
  • Contact dermatitis (allergic skin reaction)
  • Severe redness, blistering, or crusting — stop use immediately and seek medical advice if this occurs

If you experience signs of a serious allergic reaction — such as facial swelling, difficulty breathing, or widespread rash — seek emergency medical attention immediately. You can also explore our broader skin care collection for complementary products that may help soothe and support your skin during treatment.

 

How Should You Store Acnecide 5% Wash?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the tube or carton
  • Do not freeze
  • Dispose of unused medicine responsibly — return to your local pharmacy rather than flushing or binning

If you are managing multiple skin concerns alongside acne, our creams and ointments section includes a range of topical treatments that may complement your skincare routine.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Acnecide 5% Wash online in the UK?

You can buy Acnecide 5% Wash 50g directly from Cured Pharmacy, a GPhC-registered online pharmacy, for just £8.99. It is available without a prescription as an over-the-counter Pharmacy (P) medicine. Simply add it to your basket and it will be dispatched to your door.

How does Acnecide 5% Wash work in the body?

Acnecide 5% Wash contains benzoyl peroxide, which releases oxygen when applied to the skin. This oxygen kills Cutibacterium acnes, the anaerobic bacterium responsible for inflamed acne spots. It also has a mild keratolytic action, helping to shed dead skin cells and keep pores clear.

How do I use Acnecide 5% Wash step by step?

Wet the affected skin with lukewarm water, apply a small amount of the wash, and lather gently for one to two minutes before rinsing thoroughly. Pat the skin dry with a clean towel — do not rub. Use once or twice daily, or as directed by your pharmacist.

How long does Acnecide 5% Wash take to work?

Most people notice a visible improvement in their acne after four to six weeks of consistent daily use. Full results, including a significant reduction in spots and inflammation, may take up to three months. Stick with it — early weeks can sometimes involve a temporary increase in dryness as your skin adjusts.

What is the correct dose of Acnecide 5% Wash?

Apply a small amount to the affected area once or twice daily. If you have sensitive skin, start with once-daily use and increase to twice daily only if your skin tolerates it well. Do not apply more than twice per day, as this will not speed up results and may worsen irritation.

What are the side effects of Acnecide 5% Wash?

The most common side effects are skin dryness, redness, and mild stinging, particularly during the first two weeks of use. Less commonly, some people experience contact dermatitis or localised swelling. If you develop severe blistering or signs of an allergic reaction, stop use immediately and seek medical advice.

How do I manage dryness caused by Acnecide 5% Wash?

If you experience dryness, reduce use to once daily and apply a non-comedogenic, fragrance-free moisturiser after the wash has been rinsed off and the skin is dry. Avoid using other exfoliating products at the same time. You can browse suitable options in our skin care collection.

Is Acnecide 5% Wash suitable for teenagers?

Yes — Acnecide 5% Wash is suitable for adolescents aged 12 and over. It is one of the most commonly recommended OTC acne treatments for teenagers experiencing mild to moderate breakouts. It should not be used in children under 12 without specific medical advice.

Can I use Acnecide 5% Wash if I have sensitive skin?

You can try it, but proceed with caution. Start with once-daily use and monitor your skin's response over the first two weeks. If irritation is significant, speak to a pharmacist who may suggest a lower-strength alternative or a different formulation. People with eczema or rosacea should avoid benzoyl peroxide products.

Will Acnecide 5% Wash bleach my towels or clothes?

Yes — benzoyl peroxide is an oxidising agent and can bleach fabrics, including towels, pillowcases, and clothing. Rinse your skin thoroughly after use and allow it to dry completely before contact with fabrics. Using white or old towels during treatment is a practical way to avoid staining.

Can I use Acnecide 5% Wash during pregnancy?

The safety of topical benzoyl peroxide during pregnancy has not been fully established. You should speak to your GP or midwife before using Acnecide 5% Wash if you are pregnant, trying to conceive, or breastfeeding. They can advise on the safest acne management options for your situation.

What are alternatives to Acnecide 5% Wash?

Alternatives include salicylic acid cleansers for milder, non-inflammatory acne, or topical retinoids and antibiotic gels available on prescription for more persistent cases. Your pharmacist or GP can help you decide which approach suits your skin type and acne severity. You can also explore our wider range of creams and ointments for other topical options.

How long can you use Acnecide 5% Wash for?

Acnecide 5% Wash can be used for as long as needed to control acne, but it is good practice to review your treatment with a pharmacist or GP after three months. If your acne has not improved after this time, a different or additional treatment may be required. Long-term use is generally considered safe when the product is well tolerated.

What happens if I miss a day of using Acnecide 5% Wash?

Missing a single application is not a cause for concern — simply continue with your normal routine at the next scheduled use. Do not apply a double dose to make up for a missed one, as this can increase the risk of skin irritation. Consistency over time matters more than any single application.

What does the latest research say about benzoyl peroxide for acne?

Benzoyl peroxide remains one of the most well-evidenced topical treatments for acne, consistently recommended in UK and international dermatology guidelines. It is valued particularly because it does not contribute to antibiotic resistance, which is an increasing concern with antibiotic-based acne therapies. The NHS continues to list it as a first-line OTC option for mild to moderate acne.

How Should You Use Acnecide 5% Wash?

Acnecide 5% Wash is designed for topical use only — it should never be swallowed or applied near the eyes, lips, or nostrils. Always wash your hands before and after application to avoid spreading bacteria or accidentally transferring the product to sensitive areas.

What Is the Correct Dose of Acnecide 5% Wash?

The dose depends on your skin's tolerance and the severity of your acne. If you are new to benzoyl peroxide, starting with once-daily use and building up gradually is the safest approach. Using more product than recommended will not improve results and is likely to cause unnecessary irritation.

When Is the Best Time to Use Acnecide 5% Wash?

Many people find it easiest to use Acnecide 5% Wash as part of their morning and evening cleansing routine. If you are using it twice daily, apply once in the morning and once before bed. If once daily, evening use is often preferred as it allows the skin to recover overnight without sun exposure — benzoyl peroxide can increase photosensitivity, so applying SPF in the morning is strongly advised.

Avoid using the wash immediately before or after vigorous exercise, as sweating on freshly treated skin can increase irritation. Give your skin time to settle after rinsing before applying any other products.

How Long Can You Use Acnecide 5% Wash For?

You can continue using Acnecide 5% Wash for as long as it is helping to control your acne and your skin is tolerating it well. Most clinical guidance suggests reviewing your acne treatment after three months to assess progress. If your acne has not improved meaningfully by this point, speak to your GP or pharmacist about whether a different or additional treatment is needed.

There is no strict maximum duration for use, but ongoing treatment should be monitored. If your skin becomes excessively dry, irritated, or you develop new symptoms, pause use and seek advice.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Acnecide 5% Wash?

Most people who use Acnecide 5% Wash experience some degree of skin reaction, particularly during the first two weeks. This is normal and often settles as your skin adjusts to the benzoyl peroxide. Common side effects are generally mild and manageable.

  • Skin dryness and flaking
  • Redness at the application site
  • Mild stinging or burning sensation on first application
  • Tightness of the skin after use

What Are the Less Common Side Effects of Acnecide 5% Wash?

Some people experience more noticeable reactions, particularly those with sensitive or reactive skin. These are less frequent but worth being aware of before you start treatment.

  • Localised skin oedema (swelling)
  • Peeling or crusting of the skin
  • Contact dermatitis — an allergic skin reaction causing itching, rash, or blistering
  • Increased skin sensitivity to sunlight (photosensitivity)

What Are the Serious Side Effects of Acnecide 5% Wash?

Serious side effects are rare but can occur. If you notice any of the following, stop using the product immediately and seek urgent medical attention. These may indicate a significant allergic reaction or severe skin response that requires prompt assessment.

  • Facial swelling, particularly around the eyes or lips
  • Difficulty breathing or swallowing
  • Widespread skin rash or hives beyond the application area
  • Severe blistering or raw, broken skin at the site of application

What Should You Do If You Experience Side Effects?

For mild side effects such as dryness or redness, try reducing your application frequency to once daily and use a non-comedogenic moisturiser after the skin has dried. Avoid using other exfoliating or active skincare products at the same time. If side effects persist beyond two to three weeks or worsen, stop use and speak to your pharmacist or GP. They can advise whether to continue, switch to a lower-strength product, or explore alternative acne treatments.

You should never ignore a worsening skin reaction. Even if you have used benzoyl peroxide before without issue, sensitivities can develop over time.

Can Acnecide 5% Wash Interact With Other Medicines?

Because Acnecide 5% Wash is applied topically and has minimal systemic absorption, it does not have clinically significant interactions with oral medicines. However, using it alongside other topical acne treatments — such as topical retinoids, topical antibiotics, or other exfoliating agents — can increase the risk of skin irritation and dryness. Always tell your pharmacist about any other skincare products or medicines you are using before starting Acnecide 5% Wash.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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