Skip to main content

Health condition

Acne and breakouts, everyday triggers, a simple routine and when to see a doctor.

A plain-English companion to our full clinical guide at /conditions/acne - focused on what to actually do this week, not just the medicine behind it.

Skincare basics
A radiographer guides a patient onto the bed of an advanced 3 Tesla MRI scanner in a London imaging suite

Why trust this guide

  • 01

    Editorial team

    Written by our editorial team from the UK sources listed on each page.

  • 02

    Sourced from guidance

    Checked against NICE, BAD and peer-reviewed sources you can see at the end.

  • 03

    Current for 2026

    Reflects modern UK guidance including OTC adapalene, hormonal options and daily SPF.

Key facts

Breakouts at a glance.

The essentials, in plain English - who gets them, what triggers them, and what actually helps.

  • What it is

    Acne and breakouts are the everyday name for pilosebaceous inflammation - blocked pores, whiteheads, blackheads and inflammatory spots.

  • Who gets it

    Most teenagers and around one in three adults - especially women in their 20s and 30s with hormonal breakouts on the jaw and chin.

  • Common triggers

    Hormonal cycles, stress, comedogenic cosmetics, sweat and friction, and possibly high-glycaemic diets or dairy for some.

  • Skincare basics

    A gentle cleanser, non-comedogenic moisturiser and daily SPF do more good than a long shelf of actives.

  • OTC options

    Salicylic acid, benzoyl peroxide and adapalene 0.1% (now available OTC in the UK) cover most mild breakouts.

  • When to see a GP

    Scarring, cystic lesions, adult-onset acne or 8 to 12 weeks of OTC use with no change all warrant a medical review.

Common triggers

What actually sets breakouts off.

Not every trigger applies to every person - but these are the ones that repeatedly turn up in the evidence and in clinic.

  • Hormonal cycle

    Rising androgens before a period push sebum up - the classic cyclical flare on chin and jaw. Combined pill or spironolactone can help persistent cases.

  • Stress

    Cortisol drives inflammation and slows healing - deadlines, poor sleep and life events all correlate with breakouts. Managing sleep and stress genuinely helps.

  • Diet (limited evidence)

    High-glycaemic diets show a modest but consistent link with acne. Some studies link skimmed dairy to breakouts. Cut things only if you notice a real pattern.

  • Sweat and friction

    Helmets, straps, phone screens and mask edges trap heat and rub - a common cause of chin, hairline, jaw and shoulder breakouts.

  • Comedogenic cosmetics

    Heavy foundations, coconut oil, some sunscreens and certain hair products can block pores. Look for “non-comedogenic” on labels.

  • Skipping the basics

    Sleeping in makeup, over-cleansing, harsh scrubs or skipping moisturiser all make acne worse - even if it feels counterintuitive.

What to do, in order

From first breakout to a clear plan.

A sensible ladder of steps - start simple, escalate when you need to, and know when it’s time to see a doctor.

  1. 01

    Self-care

    Spot the pattern

    Look at where the breakouts sit, when they flare and how they behave - hormonal, stress, mask or product-driven acne all have tells.

  2. 02

    Self-care

    Review your routine

    Cleanser, moisturiser, sunscreen, makeup and hair products - many breakouts trace back to a comedogenic ingredient you didn’t know was in there.

  3. 03

    Self-care

    Trial simple OTC steps

    Salicylic acid, benzoyl peroxide or OTC adapalene for 8 to 12 weeks - give any single active enough runway to work before switching.

  4. 04

    GP review

    GP or pharmacy review

    If OTC steps aren’t enough, a GP can escalate to prescription topicals, hormonal therapy or a dermatology referral.

  5. 05

    GP review

    Assess for scarring

    Any hint of pitting, ice-pick scars or dark marks is a signal to stop DIY and get a proper treatment plan in place.

  6. 06

    Specialist

    Rule out endocrine causes

    Irregular periods, hirsutism or sudden adult acne can point to PCOS - your GP can arrange the right bloods.

  7. 07

    Specialist

    Specialist plan if needed

    A consultant dermatologist can build a longer-term plan - hormonal therapy, in-clinic treatments or, for severe disease, isotretinoin.

Typical timeline: weeks for self-care to show, three months to judge any active properly.

Common breakouts

The different breakouts, explained.

Hormonal, stress, mask, back and chest bacne - and how to tell true breakouts from retinoid purging.

  • Blackheads and whiteheads

    Blocked pores you can see and feel - the earliest breakouts and the ones OTC salicylic acid and retinoids target.

  • Red inflamed spots

    Tender pink or red bumps that appear overnight - the classic hormonal or stress breakout on cheeks, chin and jaw.

  • Pustules

    Whitehead spots with visible pus - benzoyl peroxide is the OTC workhorse and works within days.

  • Deep cystic bumps

    Painful lumps beneath the skin that never fully surface - don’t squeeze, don’t wait. Book a GP.

  • Marks and scarring

    Dark spots (post-inflammatory pigmentation) fade slowly. True scars need in-clinic treatment - see them early.

  • Chin and jawline breakouts

    The classic hormonal pattern - cyclical, deeper, and often flares in the week before a period.

  • Adult-onset acne

    New spots appearing in your 20s, 30s or later - usually hormonal or lifestyle-driven, and very treatable.

  • Back and chest bacne

    Friction, sweat and heavy fabrics feed truncal acne - benzoyl peroxide wash is often the fastest fix.

Purging vs true breakout

How to tell the difference.

Purging from a new retinoid or acid shows up where you normally break out, peaks around week 2 to 4, and settles by week 6. A true reaction is different - it burns or stings, appears in new places, and keeps getting worse. If in doubt, stop the product for a week and speak to a pharmacist.

Daily routine and options

What actually helps breakouts.

Skincare basics, OTC actives and a pointer to prescription options - the full clinical detail lives on our acne guide.

  • Gentle daily cleanser

    A pH-balanced, fragrance-free cleanser twice a day. Foam or milk both work - avoid grainy scrubs, they inflame acne.

  • Non-comedogenic moisturiser

    Yes, oily skin still needs moisturiser. Look for “non-comedogenic” and lightweight gel or lotion textures.

  • Daily broad-spectrum SPF

    Every morning, all year. Protects against pigmentation from marks and from any topical you’re using.

  • Salicylic acid (OTC)

    A beta-hydroxy acid that unblocks pores - ideal for blackheads, whiteheads and mild breakouts.

  • Benzoyl peroxide (OTC)

    Kills acne bacteria and reduces inflammation - the go-to OTC active for inflammatory and pustular breakouts.

  • Adapalene 0.1% (OTC in UK)

    A true retinoid, now available over the counter. The single best OTC active for prevention - use nightly, give it 12 weeks.

  • Prescription topicals

    Stronger retinoids, retinoid-benzoyl peroxide combos and topical antibiotics - a GP can prescribe when OTC isn’t enough.

  • Oral or specialist options

    Short-course oral antibiotics, hormonal therapy (the pill or spironolactone) or isotretinoin for severe disease - see our full acne guide.

Prescription overview

If OTC isn’t enough.

Your GP or a dermatologist can prescribe stronger topical retinoids, short-course oral antibiotics (up to 12 weeks alongside a topical), hormonal therapy such as the combined pill or spironolactone for adult women, and - for moderate-to-severe or scarring acne - isotretinoin under specialist care.

Read next

The full clinical guide.

For the medical detail on topical retinoids, oral antibiotics, hormonal therapy and isotretinoin - including monitoring and side effects - see /conditions/acne.

What this guide is based on

The sources behind every claim on this page.

UK national guidance and specialist society standards, current at the time of last review.

Key references

Guidelines and standards we relied on.

A quiet reminder

This guide is for information, not medical advice.

Your GP or dermatologist knows your skin and history and can tell you which parts apply to you. If in doubt, get seen.

  • NICE. Acne vulgaris: management (NG198).

  • British Association of Dermatologists (BAD). Patient information leaflets on acne, adult acne and isotretinoin.

  • MHRA. Reclassification of adapalene 0.1% to pharmacy (P) status in the UK.

  • European Dermatology Forum. Guideline for the treatment of acne.

When to see a doctor

The situations that need real help.

Most breakouts settle with a good routine. These are the situations where a GP or dermatologist visit is genuinely worth it.

  • Deep painful cysts

    Nodulocystic acne scars if left alone - see a GP early rather than trying more OTC products.

  • Any sign of scarring

    Ice-pick, boxcar or rolling scars are permanent. Early prescription treatment prevents more of them forming.

  • Adult-onset acne

    Breakouts arriving in your 20s, 30s or later deserve a proper assessment - especially with irregular periods or hair changes.

  • No change after 12 weeks

    A full three months of consistent OTC treatment with no visible improvement is a signal to step up, not keep waiting.

  • Persistent low mood

    Acne carries a real mental-health load. If it’s affecting mood, sleep or confidence, please tell your GP.

  • Sudden severe outbreak

    A rapid explosion of painful spots with fever or joint pain is rare but a genuine emergency - go to A&E.

  • Reaction to a product

    True allergy or contact dermatitis - burning, swelling, blistering - stop the product and see a pharmacist.

  • Post-steroid flare

    A crop of monomorphic bumps after oral or topical steroids needs a medical review, not more actives.

  • Signs of infection

    Spreading redness, warmth or systemic upset around a lesion - book a same-day GP appointment.

Living with it

Small habits, honest results.

Four things that make the biggest difference day to day - a simpler routine, patience, mindful habits, and knowing when to escalate.

A quiet reminder

Consistency beats intensity, every time.

Small, steady habits kept up for months do more than a heroic week that doesn’t last.

  1. 01 Routine

    Simpler is stronger

    Cleanser, one active, moisturiser, SPF. Fewer products, used consistently, beat a shelf of half-used bottles.

  2. 02 Patience

    Give it 8 to 12 weeks

    Every acne active - OTC or prescription - needs three months of daily use before you judge it. Skin cycles are slow.

  3. 03 Habits

    Small triggers add up

    Change pillowcases weekly, clean your phone screen, don’t pick, and rinse off sweat after workouts.

  4. 04 Escalate

    Ask for help sooner than later

    If breakouts are scarring, cystic or unchanged after 12 weeks, ask your GP - don’t wait a year hoping products will click.

Frequently asked

Everything we get asked about breakouts.

Quick answers on diet, purging, OTC options and when a doctor is the right next step.

  • What causes breakouts?

    A mix of excess sebum, blocked pores, inflammation and acne-causing bacteria - shaped by hormones, stress, friction, some cosmetics and possibly high-glycaemic or dairy-heavy diets in some people. It’s rarely one thing, which is why simple routines and time usually beat single miracle products.

  • Does chocolate or dairy really cause acne?

    The evidence is mixed. High-glycaemic diets (lots of sugary or refined foods) show a consistent but modest link with acne, and some studies link skimmed milk to breakouts in certain people. Chocolate specifically - unclear. Cutting a food is only worth it if you notice a real, repeatable pattern for you.

  • What’s the difference between purging and a true breakout?

    Purging happens when a new retinoid or acid speeds up skin turnover - spots appear where you usually break out, and it settles within 4 to 6 weeks. A true reaction shows up in new areas, burns or stings, and gets worse over time. If in doubt, stop the product and check with a pharmacist.

  • Is adapalene really available without a prescription in the UK?

    Yes - adapalene 0.1% (a topical retinoid) has been reclassified to pharmacy status in the UK and can now be sold over the counter after a short pharmacist chat. It is one of the most effective OTC actives for preventing breakouts and is a genuine game-changer.

  • When should I see a doctor about my acne?

    See your GP if you have any scarring, deep cystic lesions, adult-onset acne, breakouts affecting your mood, or if 8 to 12 weeks of consistent OTC treatment hasn’t helped. Our full clinical guide at /conditions/acne covers the prescription and specialist options in detail.

  • Can I get rid of mask acne?

    Yes. Use a fresh mask daily where possible, choose breathable materials, skip heavy makeup underneath, and cleanse gently after wearing. A lightweight non-comedogenic moisturiser as a barrier helps, and OTC adapalene or benzoyl peroxide nightly prevents new spots.

Related content

Keep reading.