Skin careArticle•25 Oct 2026

How Often Should You Wash Your Face If You Have Acne?

How often should you wash your face if you have acne? Usually twice daily. See when once is enough, why more is unproven, and how to avoid irritation.

Oscar NascimentoPublished

How often should you wash your face if you have acne? For most people, twice a day: once in the morning and once at night. Wash again after heavy sweating, but don't scrub. If twice-daily cleansing leaves your skin tight, red or flaky, try cleanser only at night and rinse with lukewarm water in the morning. Cleansing supports acne treatment. It rarely clears acne by itself.

What the evidence actually shows

The twice-daily rule is a sensible default, not a finding backed by large, strong trials. Stringer, Nagler, Orlow and Oza reviewed 14 prospective studies with 671 participants in 2018. They found too few well-designed studies to make firm claims about washing frequency or cleanser types.

Choi, Lew and Kimball ran the clearest early trial in 2006. After a two-week run-in, males with mild-to-moderate acne washed once, twice or four times daily for six weeks. The groups did not differ significantly at the end. Within each group, twice-daily washing improved open comedones and non-inflammatory lesions, while once-daily washing worsened some measures. Those within-group changes are interesting, but they do not prove that twice daily beat the alternatives. The study was small and included only males.

A 2019 trial by Hastuti and colleagues complicates the picture. It randomized 38 participants to wash once, twice or three times daily for eight weeks. Lesion counts fell on average in the once- and twice-daily groups, but rose in the three-times group. Only the once-daily group's comedone change reached statistical significance. This does not support adding extra washes to treat acne.

NICE reviewed the limited evidence and in 2021 advised a non-alkaline syndet cleanser twice daily. A syndet is a synthetic detergent bar, liquid or foam that avoids traditional alkaline soap. The guideline committee said the evidence was limited. Twice daily is a workable starting point, not a rule to follow through irritation.

A low-irritation cleansing routine

Your technique matters as much as the number. Use a gentle, non-abrasive cleanser and lukewarm water. Friction and harsh products add irritation without making acne clear faster.

  1. Morning: Apply cleanser with clean fingertips, rinse well and pat dry. Skip washcloths, cleansing brushes and gritty scrubs.
  2. Night: Remove makeup and sunscreen, then cleanse gently. One thorough wash is enough when it removes the day's products.
  3. After heavy sweating: Rinse or wash soon rather than waiting for your next scheduled cleanse. This guide to washing after a workout explains how to handle an extra wash without scrubbing.
  4. After cleansing: Pat rather than rub. Use a non-comedogenic moisturizer if your skin feels dry or your acne treatment irritates it.
  5. When adjusting: Change one product or habit at a time. Otherwise, a better or worse week cannot tell you what mattered.

If your cleanser contains benzoyl peroxide or salicylic acid, count it as an active treatment step. More washes can mean more dryness, not faster clearance. Follow the product label or your clinician's plan. Our benzoyl peroxide guide explains the evidence and ways to limit irritation.

A practical check when your routine is not working

This table is an editorial troubleshooting guide, not a diagnostic test. Use it to decide what to change next.

Cleansing clues and the next sensible step
What you noticePossible explanationNext stepWhat it cannot tell you
Skin feels comfortable after two daily washesYour cleanser and frequency are probably tolerableKeep the schedule stable while you judge the treatmentComfort does not show that cleanser is clearing acne
Tightness, stinging, redness or flakesCleanser, hot water, friction or leave-on treatment may be irritatingUse a gentle non-alkaline cleanser, lukewarm water and fingertips; try cleanser only at night until comfortableThis cannot separate irritation from allergy, eczema or rosacea
Oil returns by midday without irritationWashing removed surface oil for a whileBlot or rinse if needed; do not add a third medicated wash just for shineOiliness alone does not measure acne severity or treatment response
More spots appear after a new cleanserNatural fluctuation, the formula or added friction could each contributePause the newest optional product, return to your tolerated baseline and change one thing at a timeOne breakout cannot identify its cause
Face is sweaty after exerciseSweat, sunscreen and friction are sitting on the skinWash or rinse gently as soon as practicalThe timing does not prove sweat caused each spot

Cleansing is support, not the main acne treatment

The 2024 American Academy of Dermatology guideline by Reynolds and colleagues strongly recommends benzoyl peroxide and topical retinoids. It does not place ordinary cleansing in the same treatment tier. A mild wash prepares your skin and may improve comfort. It cannot replace an evidence-based acne regimen.

Positive effects from acne treatment often need six to eight weeks. NICE schedules a first review at 12 weeks. Do not answer every new spot by scrubbing harder or swapping products every few days. Keep the routine stable and track active products, start dates, irritation and lesion changes. Our acne treatment timeline shows what can reasonably change by each review point.

When washing is no longer the question

See a doctor or dermatologist sooner for deep painful nodules, cysts, scarring, persistent pigment changes or diagnostic uncertainty. NICE recommends specialist referral for nodulocystic acne. It also advises considering referral when acne is scarring or leaving lasting pigment changes.

Medical review also makes sense when two completed 12-week treatment courses have not worked. Moderate-to-severe acne that did not respond to a plan containing an oral antibiotic also needs review. Do not spend those months perfecting cleansing while inflamed lesions scar. This guide to cystic acne warning signs explains when home care has reached its limit.

Oscar Nascimento — Editorial writer
About the author

Oscar Nascimento

Editorial writer, GlowUp Face

Oscar writes about evidence-based skin care, healthcare, looksmaxxing, and the social and economic research surrounding appearance.

Full profile and all articles →

Related research

View all research