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Acnecide Face Wash 5% Gel Benzoyl Peroxide

Acnecide Face Wash 5% Gel Benzoyl Peroxide

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  • ✔️ Targets acne-causing bacteria with 5% benzoyl peroxide
  • ✔️ Reduces spots, blackheads, and whiteheads effectively
  • ✔️ Suitable for mild to moderate facial acne from age 12
  • ✔️ Rinse-off formula minimises bleaching risk to fabrics
  • ✔️ Results typically visible within four to six weeks of use

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Is Benzoyl Peroxide Face Wash Effective for 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. That's where benzoyl peroxide face wash comes in. Acnecide Face Wash 5% Gel is a clinically recognised, over-the-counter treatment containing 5% benzoyl peroxide, specifically formulated to tackle mild to moderate acne vulgaris on the face. At just £7.99, it offers an accessible route to clearer skin without needing a prescription. If you're exploring your options, our skin care collection includes a range of products to support your routine.

Acnecide Face Wash is suitable for adults and adolescents and is used as part of a daily facial cleansing routine. It's a rinse-off gel, which means it's applied, massaged gently into the skin, and then washed away — making it straightforward to incorporate into your morning or evening wash.

 

How Does Acnecide Face Wash Work on Skin?

 

Benzoyl peroxide is a well-established topical antibacterial agent. It works through a clear, step-by-step mechanism:

  • It releases oxygen into the hair follicles and pores, creating an environment hostile to Cutibacterium acnes (formerly known as Propionibacterium acnes), the bacteria primarily responsible for acne.
  • It has a keratolytic effect — meaning it helps to break down the outer layer of dead skin cells that can block pores and contribute to blackheads and whiteheads.
  • It reduces the production of sebum (skin oil) in the follicle, which is a key driver of acne development.
  • Unlike some antibiotics used for acne, benzoyl peroxide does not contribute to bacterial resistance, making it a reliable long-term option.

Because it's a rinse-off formulation, Acnecide Face Wash delivers the active ingredient to the skin during cleansing without the prolonged contact time of a leave-on gel — which can make it better tolerated by those who find leave-on treatments too drying.

 

Who Should Use Acnecide Face Wash 5% Gel?

 

This product is designed for people dealing with mild to moderate acne on the face. It's particularly useful if you're looking for a daily wash that does more than just cleanse. That said, it's not suitable for everyone — and it's worth knowing whether it's right for you before you start.

Acnecide Face Wash may be suitable if you:

  • Have mild to moderate acne vulgaris on the face
  • Are aged 12 or over
  • Are looking for an OTC treatment that doesn't require a prescription
  • Want a rinse-off option rather than a leave-on gel

It is not recommended for use on broken, sunburned, or eczematous skin, and should be kept away from the eyes, mouth, and mucous membranes.

 

How Does Acnecide Face Wash Compare to Other Acne Treatments?

 

Feature Acnecide Face Wash 5% Gel Acnecide Gel 5% (Leave-On)
Formulation type Rinse-off face wash Leave-on spot gel
Active ingredient Benzoyl peroxide 5% Benzoyl peroxide 5%
Best for Daily cleansing routine, widespread acne Targeted spot treatment
Risk of bleaching fabrics Lower (rinsed off) Higher (remains on skin)

 

Is Acnecide Face Wash Safe to Store and Use Long-Term?

 

Acnecide Face Wash should be stored below 25°C, away from direct sunlight, and kept out of the reach of children. The product has a shelf life indicated on the packaging — do not use it after the expiry date. As with all topical treatments containing benzoyl peroxide face wash formulations, it's important to be aware that the product can bleach hair, towels, and clothing on contact, so rinse thoroughly and take care when drying your face. You may also want to explore our creams and ointments range for complementary skincare options.

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 Face Wash 5% Gel Benzoyl Peroxide specifications
Treatment category Acne treatment
Mechanism of action Antibacterial, keratolytic, sebostatic
Effective for Mild to moderate acne vulgaris
Suitable for Adults and adolescents aged 12 and over
Active ingredient Benzoyl peroxide 5%
Strengths 5%
UK classification General Sale / Pharmacy (P)
Drug class Topical antibacterial / keratolytic
Preparation Gel (rinse-off face wash)
Route of administration Topical (cutaneous)

Specifications of Acnecide Face Wash 5% Gel Benzoyl Peroxide

 

What Is Acnecide Face Wash and What Is It Used For?

 

Acnecide Face Wash 5% Gel is a topical, rinse-off antibacterial gel used to treat acne vulgaris — the most common form of acne, characterised by spots, blackheads, whiteheads, and oily skin. The active ingredient is benzoyl peroxide at a concentration of 5%. It is classified as an over-the-counter medicine in the UK and does not require a prescription for purchase. The NHS recommends benzoyl peroxide as a first-line treatment for mild to moderate acne, and it has been used clinically for decades with a well-established safety profile.

 

What Do You Need to Know Before Using Acnecide Face Wash?

 

Before you start using this product, there are some important contraindications and warnings to be aware of:

  • Do not use if you are allergic to benzoyl peroxide or any other ingredient in the formulation
  • Do not apply to broken, sunburned, windburned, dry, or irritated skin
  • Do not use on eczematous or seborrhoeic skin
  • Avoid contact with eyes, eyelids, lips, mouth, and mucous membranes — rinse immediately with water if contact occurs
  • Not recommended for children under 12 years of age
  • Use with caution during pregnancy or breastfeeding — consult your GP or pharmacist first
  • This product may bleach hair, eyebrows, and coloured fabrics — take care when applying and drying

Regarding drug interactions, no significant systemic interactions are established for topical benzoyl peroxide due to minimal absorption. However:

  • Avoid using alongside other topical acne treatments (such as retinoids or salicylic acid) without medical advice, as this may increase skin irritation
  • Do not use with topical antibiotics unless directed by a prescriber — benzoyl peroxide can inactivate some antibiotic formulations if applied simultaneously

 

How Should You Use Acnecide Face Wash?

 

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

  1. Wet your face thoroughly with lukewarm water
  2. Squeeze a small amount of gel (approximately a 5p coin size) onto your fingertips
  3. Apply gently to the affected areas of the face using circular motions
  4. Massage into the skin for 1 to 2 minutes — do not scrub
  5. Rinse thoroughly with water and pat dry with a clean, white or light-coloured towel (to avoid bleaching)
  6. Apply a non-comedogenic moisturiser if needed, especially if your skin feels dry
Indication Age Group Dose Frequency
Mild to moderate acne vulgaris 12 years and over Small amount (pea to 5p coin size) Once or twice daily
Sensitive skin / initial use 12 years and over Small amount Once daily (increase gradually)

If you're building a broader skincare routine for acne-prone skin, you might also find our skin care collection helpful for finding complementary products.

 

What Are the Possible Side Effects of Acnecide Face Wash?

 

Like all medicines, Acnecide Face Wash can cause side effects, although not everyone experiences them. Skin reactions are most likely during the first few weeks of use as your skin adjusts to the active ingredient.

Common side effects (may affect up to 1 in 10 people):

  • Skin dryness and peeling
  • Redness and mild irritation at the application site
  • Stinging or burning sensation during or after application

Less common side effects (may affect up to 1 in 100 people):

  • Contact dermatitis (allergic skin reaction)
  • Oedema (swelling) of the face
  • Severe skin irritation or blistering

If you experience signs of a serious allergic reaction — such as swelling of the face, lips, or throat, difficulty breathing, or severe rash — stop using the product immediately and seek urgent medical attention.

 

How Should You Store Acnecide Face Wash?

 

Correct storage helps maintain the product's effectiveness and safety. Follow these guidelines:

  • Store below 25°C
  • Do not freeze
  • Keep away from direct sunlight and heat sources
  • Keep the cap tightly closed when not in use
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the packaging
  • Do not dispose of medicines via wastewater or household waste — return unused product to your pharmacist

For other topical treatments and skin health products, browse our creams and ointments range at Cured Pharmacy.

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 Face Wash 5% Gel online in the UK?

You can buy Acnecide Face Wash 5% Gel directly from Cured Pharmacy online for £7.99, with no prescription required. It's available over the counter as a pharmacy medicine and can be delivered to your door across the UK. Browse our full skin care collection for more acne and skincare products.

How does benzoyl peroxide face wash work to treat acne?

Benzoyl peroxide works by releasing oxygen into the skin's pores, which kills the acne-causing bacteria Cutibacterium acnes that thrive in low-oxygen environments. It also has a keratolytic action, helping to shed dead skin cells that can block follicles and cause spots. Additionally, it reduces sebum production, targeting one of the root causes of acne at the skin surface.

How do I use Acnecide Face Wash step by step?

Wet your face with lukewarm water, apply a small amount of gel to your fingertips, and gently massage it into the affected areas for one to two minutes. Rinse thoroughly and pat dry with a light-coloured towel to avoid bleaching. Use once or twice daily, starting with once daily if your skin is sensitive, and increase gradually as tolerated.

How long does it take for Acnecide Face Wash to show results?

Most people notice an improvement in their acne within four to six weeks of consistent daily use. Full results, including a significant reduction in spots and clearer skin overall, may take up to three months. It's important not to stop using the product too early, even if improvement seems slow at first.

What are the side effects of Acnecide Face Wash and how do I manage them?

The most common side effects are skin dryness, redness, and mild stinging — particularly during the first few weeks of use as your skin adjusts. You can manage these by using a non-comedogenic moisturiser after washing and by starting with once-daily use before increasing frequency. If you experience severe burning, swelling, or signs of an allergic reaction, stop use immediately and consult a pharmacist or GP.

Can I use Acnecide Face Wash if I have sensitive skin?

Acnecide Face Wash can be used on sensitive skin, but it's advisable to start with once-daily application and monitor your skin's response before increasing to twice daily. Applying a gentle, fragrance-free moisturiser after use can help reduce dryness and irritation. If you have a diagnosed skin condition such as eczema or rosacea, speak to your pharmacist or GP before starting treatment.

Who is eligible to use Acnecide Face Wash 5% Gel?

Acnecide Face Wash is suitable for adults and adolescents aged 12 and over who have mild to moderate acne vulgaris on the face. It is not recommended for children under 12, and those who are pregnant or breastfeeding should consult a GP or pharmacist before use. People with known allergies to benzoyl peroxide or any excipient in the formulation should not use this product.

What happens if I miss a dose of Acnecide Face Wash?

If you forget to use Acnecide Face Wash on a particular occasion, simply continue with your next scheduled application as normal — do not double up to compensate for a missed use. Consistency is important for results, so try to incorporate it into a fixed daily routine such as your morning or evening wash. Missing the occasional application is unlikely to significantly affect your overall progress.

What are the alternatives to Acnecide Face Wash for treating acne?

Alternatives to Acnecide Face Wash include other topical treatments such as salicylic acid cleansers, azelaic acid gels, and topical retinoids — though some of these require a prescription. The NHS also recommends topical antibiotics (such as clindamycin) for moderate acne, usually in combination with benzoyl peroxide to reduce the risk of antibiotic resistance. For persistent or severe acne, a GP referral to a dermatologist may be appropriate.

What is the difference between Acnecide Face Wash and Acnecide Gel?

Acnecide Face Wash is a rinse-off product used as part of your daily cleansing routine, making it suitable for treating acne across a wider area of the face. Acnecide Gel is a leave-on treatment applied directly to individual spots and left on the skin, providing more prolonged contact with the active ingredient. Both contain 5% benzoyl peroxide, but the face wash carries a lower risk of bleaching fabrics since it is rinsed off.

Can I use Acnecide Face Wash with other acne treatments at the same time?

Using Acnecide Face Wash alongside other topical acne treatments — such as retinoids, salicylic acid, or topical antibiotics — may increase the risk of skin irritation and dryness. Benzoyl peroxide can also inactivate certain antibiotic formulations if applied at the same time, so always check with your pharmacist before combining treatments. If you're using prescription acne medication, let your prescriber know you're also using Acnecide.

Will Acnecide Face Wash bleach my towels or clothes?

Yes — benzoyl peroxide is an oxidising agent and can bleach hair, eyebrows, and coloured fabrics on contact. To minimise this risk, rinse your face thoroughly after use and dry with a white or light-coloured towel. Allow the product to rinse off completely before your face comes into contact with pillowcases or clothing.

How long can I use Acnecide Face Wash for?

Acnecide Face Wash can be used for as long as it is needed to control acne, but if you have not seen any improvement after three months of regular use, you should consult your GP or pharmacist for further advice. Long-term use is generally considered safe, but your skin's needs may change over time. Regular review with a healthcare professional is recommended for ongoing acne management.

Can I wear makeup after using Acnecide Face Wash?

Yes, you can wear makeup after using Acnecide Face Wash, but it's best to allow your skin to dry fully before applying any products. Choose non-comedogenic, oil-free makeup and skincare products to avoid blocking pores and worsening acne. Avoid applying makeup immediately after use if your skin feels irritated or particularly dry.

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

Benzoyl peroxide remains one of the most well-evidenced topical treatments for acne vulgaris and is recommended by both the NHS and NICE guidelines as a first-line option. Research consistently supports its antibacterial efficacy against Cutibacterium acnes and highlights its advantage over topical antibiotics in that it does not contribute to antibiotic resistance. It is frequently recommended in combination with other agents for moderate acne. You can find further acne-related skincare support in our skin care collection.

How Should You Use Acnecide Face Wash?

Acnecide Face Wash 5% Gel is a rinse-off topical treatment, so it's important to use it correctly to get the most benefit while keeping skin irritation to a minimum. Always wash your hands before and after application, and avoid getting the product in your eyes, mouth, or on any broken skin. If accidental contact occurs, rinse the area immediately with plenty of water.

Follow these steps each time you use Acnecide Face Wash:

What Is the Correct Dose of Acnecide Face Wash?

The correct amount to use is a small quantity — approximately the size of a 5p coin — applied to the affected facial area. Using more than this does not improve results and is more likely to cause irritation. Always follow the dosage guidance on the product packaging or as directed by your pharmacist.

When Is the Best Time to Use Acnecide Face Wash?

Acnecide Face Wash can be used in the morning, in the evening, or both — depending on your skin's tolerance. Many people find that starting with an evening application works well, as it allows the skin to recover overnight without exposure to environmental factors such as sunlight or pollution. If you use it in the morning, apply a broad-spectrum SPF moisturiser afterwards, as benzoyl peroxide may increase your skin's sensitivity to UV light.

Consistency matters more than timing. Incorporating Acnecide Face Wash into a fixed daily routine — whether morning, evening, or both — helps ensure you don't miss applications and gives your skin the best chance to respond to treatment.

How Long Can You Use Acnecide Face Wash For?

Acnecide Face Wash can be used for as long as it is needed to manage your acne. Most people begin to see a noticeable improvement within four to six weeks, with more significant results after three months of regular use. If you have not seen any improvement after three months, or if your acne worsens at any point, stop using the product and speak to your GP or pharmacist.

Long-term use is generally considered safe, but it's a good idea to review your treatment periodically with a healthcare professional to ensure it remains appropriate for your skin's needs. 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 Face Wash?

The most frequently reported side effects of Acnecide Face Wash 5% Gel are related to local skin reactions at the site of application. These are most likely to occur during the first few weeks of use as your skin adjusts to the benzoyl peroxide. They often improve with continued use and can be managed by reducing application frequency or using a moisturiser.

  • Skin dryness and flaking
  • Redness or erythema at the application site
  • Mild stinging or burning sensation during or shortly after application
  • Skin tightness or a feeling of discomfort after washing

What Are the Less Common Side Effects of Acnecide Face Wash?

Less common side effects occur in a smaller proportion of users and may indicate a more significant skin reaction. If you notice any of the following, reduce the frequency of use and consult your pharmacist:

  • Contact dermatitis — an allergic skin reaction causing itching, rash, or blistering
  • Oedema (swelling) of the face or application area
  • Excessive peeling or skin sensitivity beyond what is expected
  • Worsening of acne or new skin irritation not present before starting treatment

What Are the Serious Side Effects of Acnecide Face Wash?

Serious side effects from topical benzoyl peroxide are rare but can occur. A severe allergic reaction (anaphylaxis or angioedema) is uncommon but requires immediate medical attention. You should stop using Acnecide Face Wash straight away and seek urgent help if you experience any of the following:

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Severe skin blistering or widespread rash
  • Dizziness or feeling faint

What Should You Do If You Experience Side Effects?

If you develop mild side effects such as dryness or redness, try reducing your application to once daily and use a gentle, non-comedogenic moisturiser after washing. Give your skin two to four weeks to adjust before deciding whether to continue. If side effects are moderate or persistent, stop using the product and speak to your pharmacist — they can advise on whether to continue, switch to a lower-strength product, or try an alternative treatment.

For any serious or unexpected reaction, stop use immediately and contact your GP or call NHS 111. Do not restart the product without medical advice if you have experienced a significant reaction.

Can Acnecide Face Wash Interact With Other Medicines?

Because Acnecide Face Wash is a rinse-off topical product, systemic absorption of benzoyl peroxide is minimal and significant drug interactions are not well established. However, there are some important considerations at the skin level. Using Acnecide Face Wash at the same time as topical antibiotics (such as clindamycin or erythromycin) may reduce the antibiotic's effectiveness, as benzoyl peroxide can inactivate certain antibiotic formulations. Combining it with other topical acne treatments — including retinoids, salicylic acid, or alpha-hydroxy acids — may increase the risk of skin irritation and dryness. Always tell your pharmacist or GP about all the products you are using on your skin before starting Acnecide Face 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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