Facetheory Clarifying Cleanser C2 180 ml frosted glass jar with metal lid
Good choice for Acne
What makes this different

Most exfoliating cleansers either include one acid at a sub-clinical dose or use enzymes that don't reach prescription-adjacent exfoliation. This cleanser stacks 4% glycolic, 2% salicylic, and 1% lactic — combined doses comparable to in-office mild chemical peels — in a glycerin-and-oil cream base that doesn't leave the skin stripped. The dual-purpose design (cleanser plus brief peel) lets users get exfoliation without committing to a separate leave-on AHA product.

Facetheory

Facetheory Clarifying Cleanser C2 Review

At-Home Peel Cleanser Cleansers cream indie Paraben free Cruelty free Vegan

A serious triple-acid cleanser — 4% glycolic, 2% salicylic, 1% lactic — that doubles as a 60-second at-home peel and lives in a glycerin-and-oil cream base so it doesn't strip. Comfortably the most aggressive exfoliating cleanser under $20, and the formulation is calibrated for oily, congested, blackhead-prone skin that can handle it.

Price $17.99 180 ml
Shopper rating 4.4 ★★★★★ 5,200 reviews
On the market 2016 Made in United Kingdom
Buy at Amazon ♥
Verdicts

How well it fits each concern

One verdict per concern. Open a row for the reasoning; the receipt has every source.

The scaleRecommendedGoodSupportingEarly evidenceNot for thisAvoidhow it works

Good choicefor AcneSalicylic Acid is an approved or monograph active for acne; this rinse-off cream carries it at 2% — short contact still counts for this active, but a leave-on does more.Receipt§ 333.310 Acne active ingredients. (opened Jul 27, 2026) · 2% declared, studied range 0.5–2% · row checked Jul 27, 2026 · rule R2r, same reading on 413 products · open the receipt

The case for it

  1. Salicylic Acid is an approved or monograph active for this concern.
  2. It is present at an effective concentration, declared or high in the ingredient list.
  3. The formula carries no trigger this concern is sensitive to, with the cautions noted.

Moderate evidenceStandard tolerabilityNo reviews read yet

Cautions: fungal-acne triggers.

Same rule for everyone. “Good choice” is the verdict on 10,340 of 45,446 concern verdicts across the catalog; rule R2r decided 413 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All acne products →How acne is treated →

Good choicefor BlackheadsSalicylic Acid is an approved or monograph active for blackheads; this rinse-off cream carries it at 2% — short contact still counts for this active, but a leave-on does more.Receipt21 CFR § 333.350 - Labeling of acne drug products. (opened Jul 27, 2026) · 2% declared, studied range 0.5–2% · row checked Jul 27, 2026 · rule R2r, same reading on 413 products · open the receipt

The case for it

  1. Salicylic Acid is an approved or monograph active for this concern.
  2. It is present at an effective concentration, declared or high in the ingredient list.
  3. The formula carries no trigger this concern is sensitive to, with the cautions noted.

Moderate evidenceStandard tolerabilityNo reviews read yet

Cautions: fungal-acne triggers.

Same rule for everyone. “Good choice” is the verdict on 10,340 of 45,446 concern verdicts across the catalog; rule R2r decided 413 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All blackheads products →How blackheads is treated →

Supporting rolefor Large PoresRinse-off cream: Glycolic Acid gets seconds of contact, so this supports a routine for large pores rather than treating it.Receipt3 sources on the row · concentration not declared; studied range 5–10% · rule R6, same reading on 2,083 products · open the receipt

The case for it

  1. Glycolic Acid has been researched for this concern and the evidence does not support it.
  2. It is in a rinse-off product, so it gets seconds of contact rather than the leave-on exposure the evidence assumes.
  3. The formula carries none of the triggers this concern is sensitive to.

Not from a trial rowGentleNo reviews read yet

What would change this: The same active in a leave-on form would be judged on its evidence rather than its contact time.

Same rule for everyone. “Supporting role” is the verdict on 7,796 of 45,446 concern verdicts across the catalog; rule R6 decided 2,083 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All large pores products →

Supporting rolefor Rough TextureRinse-off cream: Glycolic Acid gets seconds of contact, so this supports a routine for rough texture rather than treating it.Receipt2 sources on the row · concentration not declared; studied range 4–10% · row checked Jul 17, 2026 · rule R6, same reading on 2,083 products · open the receipt

The case for it

  1. Glycolic Acid is a reference standard by mechanism for this concern — an established physical action, not a trial result.
  2. It is in a rinse-off product, so it gets seconds of contact rather than the leave-on exposure the evidence assumes.
  3. The formula carries none of the triggers this concern is sensitive to.

Limited evidenceGentleNo reviews read yet

What would change this: The same active in a leave-on form would be judged on its evidence rather than its contact time.

Same rule for everyone. “Supporting role” is the verdict on 7,796 of 45,446 concern verdicts across the catalog; rule R6 decided 2,083 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All rough texture products →How rough texture is treated →

Supporting rolefor DullnessRinse-off cream: Glycolic Acid gets seconds of contact, so this supports a routine for dullness rather than treating it.Receipt1 source on the row · concentration not declared; studied range 4–10% · row checked Jul 17, 2026 · rule R6, same reading on 2,083 products · open the receipt

The case for it

  1. Glycolic Acid is a reference standard by mechanism for this concern — an established physical action, not a trial result.
  2. It is in a rinse-off product, so it gets seconds of contact rather than the leave-on exposure the evidence assumes.
  3. The formula carries none of the triggers this concern is sensitive to.

Limited evidenceGentleNo reviews read yet

What would change this: The same active in a leave-on form would be judged on its evidence rather than its contact time.

Same rule for everyone. “Supporting role” is the verdict on 7,796 of 45,446 concern verdicts across the catalog; rule R6 decided 2,083 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All dullness products →How dullness is treated →

Supporting rolefor Excess OilinessRinse-off cream: Salicylic Acid gets seconds of contact, so this supports a routine for excess oiliness rather than treating it.Receipt6 sources on the row · rule R6, same reading on 2,083 products · open the receipt

The case for it

  1. Salicylic Acid has early or mechanistic evidence for this concern, not trial-backed standing.
  2. It is in a rinse-off product, so it gets seconds of contact rather than the leave-on exposure the evidence assumes.
  3. The formula carries no trigger this concern is sensitive to, with the cautions noted.

Moderate evidenceStandard tolerabilityNo reviews read yet

Cautions: fungal-acne triggers.

What would change this: The same active in a leave-on form would be judged on its evidence rather than its contact time.

Same rule for everyone. “Supporting role” is the verdict on 7,796 of 45,446 concern verdicts across the catalog; rule R6 decided 2,083 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All excess oiliness products →

Supporting rolefor HyperpigmentationRinse-off cream: Glycolic Acid gets seconds of contact, so this supports a routine for hyperpigmentation rather than treating it.Receipt2 sources on the row · concentration not declared; studied range 5–10% · row checked Jul 17, 2026 · rule R6, same reading on 2,083 products · open the receipt

The case for it

  1. Glycolic Acid has early or mechanistic evidence for this concern, not trial-backed standing.
  2. It is in a rinse-off product, so it gets seconds of contact rather than the leave-on exposure the evidence assumes.
  3. The formula carries none of the triggers this concern is sensitive to.

Moderate evidenceGentleNo reviews read yet

What would change this: The same active in a leave-on form would be judged on its evidence rather than its contact time.

Same rule for everyone. “Supporting role” is the verdict on 7,796 of 45,446 concern verdicts across the catalog; rule R6 decided 2,083 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All hyperpigmentation products →How hyperpigmentation is treated →

As a cleanserNot judged: what a cleanser is for — surfactant mildness, rinses clean without stripping — cannot yet be measured from the ingredient list (only pH match to skin, puts something back can).

A verdict is Dermington’s assessment of how well a product’s ingredients fit a concern — never a claim about what the product treats. Evidence dots and collected reviews sit beside it and are never blended in. Rules 0.5.1 · evidence table ev-2026.10-r231 · engine 5.2.0 · how we decide · this product’s receipt

Reader poll · Town SquareQuestion 1 of up to 3

Have you used Clarifying Cleanser C2?

One tap counts. A couple of optional follow-ups come next.

No account neededOne answer each, change it any timeCounted only in anonymous totalsHow the Square counts →
Assessment

Pros & cons

What it does well 7

  • Triple-acid stack at clinical-strength concentrations
  • Cream base prevents the stripping feel typical of acid cleansers
  • Doubles as a 60-second at-home peel for non-daily use
  • Visibly reduces blackheads and pore congestion within 2-3 weeks
  • Genuinely strong value vs prestige multi-acid cleansers
  • Unscented option available for fragrance-sensitive users
  • Works on body for back acne and keratosis pilaris

Where it falls short 5

  • Too aggressive for daily use for most skin types
  • Not appropriate for sensitive, dry, or rosacea-prone skin
  • Avocado and sweet almond oils make it unsuitable for fungal-acne avoidance
  • Glass jar packaging exposes the cream to air every use
  • Salicylic acid content rules out use during pregnancy
Review

The full review

Most exfoliating cleansers are exfoliating in the way a complimentary hotel mint is dessert — technically yes, but it's mostly there for show. The acid is at a polite 1-2% concentration, the pH is buffered into something that barely touches the stratum corneum, and the actual exfoliation work in the routine happens elsewhere. Facetheory's Clarifying Cleanser C2 takes the opposite approach. It stacks 4% glycolic, 2% salicylic, and 1% lactic acid in a glycerin-rich cream base and effectively dares you to treat it as a daily cleanser. Most users find out within a week that it is not a daily cleanser. What it is, for the right skin type, is one of the best 60-second at-home peels in the under-$20 category.

The acid math is what makes this product genuinely different from its competitors. Two percent salicylic acid is the FDA's maximum OTC concentration for the ingredient and the dose used in prescription acne washes. Four percent glycolic acid is the kind of percentage that shows up in dermatologist-administered light peels rather than in cleansers. One percent lactic acid is comparatively gentle but adds buffering and humectant payoff. Stacked together in a cleanser at a pH around 3.8, this is not a buffered courtesy acid blend — it is enough active to produce measurable exfoliation in a 60-second contact time, which is the entire point of the dual-purpose 'cleanser plus peel' positioning.

The cream base is the second piece of engineering that matters. A high-acid cleanser at this concentration without emollient support would leave most skin types feeling stripped, raw, and tight after rinse. Facetheory built this one around apricot kernel oil and avocado oil — both rich in fatty acids and vitamin E — with glycerin doing humectant work and cetyl alcohol-plus-glyceryl-stearate handling the emulsification. The texture is closer to a thick milk than a typical foaming wash, and the post-rinse feel is soft rather than squeaky. That oil content is also the formula's main limitation: anyone with strict fungal acne avoidance, or sensitivity to sweet almond oil, will need to look elsewhere.

In use, the first session is genuinely educational. You massage the cream onto damp skin, and within 15-20 seconds you feel the acid stack engage — a clear, even tingling that intensifies for about 30 seconds and then plateaus. Holding for 60 seconds total, then rinsing with lukewarm water, leaves the skin a touch pink for the first ten or fifteen minutes and noticeably smoother to the touch by the time you've applied moisturizer. By the second or third use, the tingling fades into a milder warming sensation, and by week two the cumulative results start showing up: blackheads on the nose and forehead visibly reduced, post-acne pigmentation softening, overall tone evening out. Six to eight weeks of consistent twice-weekly use is where the pore-size reduction and comedonal-acne payoff lands for most users.

The risk profile is exactly what you'd expect from a product this assertive. Sensitive, dry, rosacea-prone, eczema-prone, or barrier-compromised skin should not use this cleanser. The triple-acid load will compound any existing irritation and likely trigger flares. Anyone with active retinoid use should give the cleanser a separate night and not pair the two same-evening. Daily use, even for tolerant users, is almost always a mistake — most skin types start showing over-exfoliation symptoms (paradoxical oiliness, ironic breakouts, persistent stinging on application) within two to three weeks of nightly use, which is why the realistic ceiling is two to four uses per week. The fragranced mandarin version is also worth flagging if you're fragrance-cautious; the unscented option is the safer choice.

Who actually wins from this cleanser? Oily and combination skin types who deal with persistent blackheads, comedonal acne, large pores, and dull-looking texture. Body-acne and keratosis-pilaris users who find the formula better-tolerated on body skin than facial skin and use it on upper arms, chest, and back. Anyone graduating from gentler exfoliating cleansers (Paula's Choice Skin Perfecting 2% BHA in cleanser format, for example) who has built tolerance and wants more output. The value calculation is genuinely strong: in-clinic glycolic peels run $50-$150 per session and require multiple sessions for cumulative results, and the closest prestige analog — comparable triple-acid cleansers from clinical brands — typically retail $30-$45 for the same volume. At under $20 for a 180 ml jar that lasts two months, this product undercuts its category meaningfully.

The friendly skepticism cap to put on: this is not a cure-all, and it is not gentle. It will not single-handedly clear cystic acne — that requires systemic treatment. It will not fade deep melasma — that needs prescription tranexamic, hydroquinone, or in-office work. It will, in a routine that includes sunscreen, hydration, and barrier support, contribute meaningfully to clearer pores, smoother texture, and brighter tone for oily and acne-prone users who tolerate it. The brand's repeated rebrandings of adjacent products and the slightly awkward glass-jar packaging are minor annoyances. The cleanser underneath does exactly what it claims to do, and at a price that genuinely surprises people who have been paying triple for less.

The science

The clinical case for this cleanser rests on three well-validated acids working at concentrations that have decades of supporting evidence. Glycolic acid at 4% sits in the middle of the dose range studied in published cleanser and peel research — Smith et al. (1996) in Cosmetic Dermatology demonstrated measurable photoaging improvement at 4-8% glycolic over 12 weeks of leave-on use, and subsequent work on rinse-off formulations shows meaningful stratum corneum turnover even at 30-60 second contact times when pH is below 4.0. The pH of this formula sits around 3.8, which is the inflection point where glycolic acid is predominantly in its acid (active) rather than salt (inactive) form.

Salicylic acid at 2% is the FDA's OTC maximum and the concentration used in prescription-style acne washes. Its mechanism is dual — keratolytic action on the stratum corneum desmosomes that hold dead cells together, and direct comedolytic action via lipid solubility that lets it penetrate sebaceous follicles. The combination of glycolic at the surface and salicylic in the follicle gives this cleanser its dual coverage on both texture (surface) and blackheads (follicular). Published work on 2% salicylic acid cleansers consistently shows comedonal acne improvement at 4-8 weeks of consistent use.

Lactic acid at 1% is the gentler third acid, contributing both to exfoliation and to the formula's humectant capacity. Lactic's larger molecular weight than glycolic makes it less aggressive at the same concentration, which is why it's typically used at higher percentages in dedicated lactic acid products (5-10%) — here at 1% it's playing a supporting role rather than primary. The science gets thinner on the specific synergy claim — there is good evidence for each acid individually, and good in vitro evidence that AHA-BHA combinations exfoliate more than either alone, but the specific 4-2-1 ratio in this product hasn't been independently validated in published research. That is a sensible formulation choice rather than a peer-reviewed combination claim.

References 2 ShowHide
  1. Glycolic acid as a treatment for acne vulgaris in middle-aged women — Journal of Dermatological Treatment (2005)
  2. Salicylic acid as a peeling agent: a comprehensive review. — Clinical, Cosmetic and Investigational Dermatology (2015)

The clinical view

Dermatologists commonly recommend AHA-BHA cleansers as transition products for patients who want exfoliation but don't want to commit to a separate leave-on acid step. Clinicians frequently find that 2% salicylic acid in a rinse-off format is well-tolerated by most acne-prone patients and produces meaningful comedonal acne improvement within 4-8 weeks. Glycolic acid at 4% in cleansers is viewed as a reasonable starter exfoliation for patients with photoaging concerns, with the caveat that frequency matters more than concentration — over-exfoliation from daily use is one of the most common patient-induced complications in dermatology practice. This style of triple-acid cleanser is generally considered appropriate for oily, combination, and acne-prone patients but specifically not recommended for sensitive, rosacea-prone, or barrier-compromised skin. The 2% salicylic content also makes it inappropriate during pregnancy.

Formula

Key ingredients

  1. Glycolic Acid (4%) 4%

    The primary AHA in the triple-acid stack, working at a leave-on-style 4% concentration in a cleanser that actively encourages a short dwell time as a face peel. Glycolic's small molecular weight gives it the deepest stratum-corneum penetration of the AHAs, which is why this cleanser produces visible smoothing after even a single use — most cleansers can't deliver enough exfoliation in 60 seconds, but at 4% glycolic plus 2% salicylic the dwell-time math works.

    Established mechanism for Rough Texture · established mechanism
  2. Salicylic Acid (2%) 2%

    The lipid-soluble BHA partner that does the actual pore-clearing work alongside the glycolic acid's surface resurfacing. At 2% — the maximum OTC concentration — this is at clinical-strength acne treatment levels, dropped into a cleanser so it functions both as a daily wash and as a leave-on peel when users hold it on the skin for 60-90 seconds. It targets the comedonal acne and blackhead congestion that AHAs alone don't fully address.

    Established mechanism for Rough Texture · established mechanism
  3. Lactic Acid (1%) 1%

    The gentlest AHA in the trio, included partly for additional exfoliation and partly as a humectant and pH buffer. Lactic acid's larger molecular weight means it penetrates less aggressively than glycolic, which is exactly what's needed to round out the acid stack — it adds hydrating and brightening payoff without compounding the irritation profile of the higher-strength glycolic and salicylic doses already doing the heavy lifting.

    Established mechanism for Rough Texture · established mechanism
  4. Apricot Kernel Oil

    Used here as the emollient counterweight to the acid trio rather than for any specific actives delivery. Apricot oil's high oleic-acid content adds skin-softening richness to the cleanser base, which is unusual for an acid-heavy cleanser — most exfoliating washes feel stripping, but the oil-rich base here gives the product a cream cleanser texture that doesn't leave the skin tight after rinse.

    Not yet assessed
  5. Avocado Oil

    The second emollient oil in the cream base, contributing vitamin E, sterolins, and additional skin-conditioning fatty acids. In this cleanser it's working with the apricot oil to keep the post-rinse feel soft rather than the tight, slightly raw sensation that a non-emollient AHA-BHA cleanser typically produces. The trade-off is that the oil load makes the cleanser less ideal for users with severe fungal acne.

    Not yet assessed
Full ingredient list 17 ingredients · pH 3.8 ShowHide

Aqua, Glycerin, Glycolic Acid, Glyceryl Stearate SE, Salicylic Acid, Sodium Glycolate, Polyglyceryl-6 Stearate, Prunus Armeniaca (Apricot Kernel) Oil, Cetyl Alcohol, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Lactic Acid, Sodium Salicylate, Glyceryl Caprylate, Persea Gratissima (Avocado) Oil, Sodium Lactate, Polyglyceryl-6 Behenate, Cetyl Hydroxyethylcellulose

Safety & formulation facts

  • Not pregnancy safe
  • Fragrance free
  • Alcohol free
  • Not oil free
  • Silicone free
  • Paraben free
  • Sulfate free
  • Cruelty free
  • Vegan
  • Not fungal-acne safe
Pore-clogging (comedogenic) Sweet Almond OilAvocado Oil
Potential irritants Glycolic AcidSalicylic AcidLactic Acid
Common allergens Sweet Almond Oil
Compatibility

Skin types & routine

Routine step cleanser
Time of day Night
Best season All year
Finish non-greasy, fast-absorbing

Layering

Use as a PM cleanser 2-4 times per week to start, building tolerance before considering daily use. Hold on the skin for 30-60 seconds as a brief peel, then rinse thoroughly. On nights when this is used, skip additional AHA, BHA, or retinoid products to avoid stacking irritation. Always follow with hydrating serum and barrier-supportive moisturizer.

When to expect results

Immediate: a slight tingle on application that fades during rinse; skin feels smoother after the first use. 1-2 weeks: visible reduction in blackheads and congestion, brighter overall tone. 4-8 weeks: meaningful pore-size reduction, fewer new breakouts, and softened post-inflammatory pigmentation for consistent users.

Pairs well with niacinamideceramideshyaluronic-acidpeptides
Don't combine with retinolvitamin-c-l-ascorbicbenzoyl-peroxide

A routine built around it

Morning

  1. Gentle non-acidic cleanser
  2. Hydrating serum
  3. Moisturizer
  4. SPF 50

Night

  1. Oil cleanser
  2. Facetheory Clarifying Cleanser C2this product
  3. Niacinamide serum
  4. Ceramide moisturizer
Guidance

How to use it, and who it's for

How to use

On dry or damp skin in the evening, massage a chickpea-sized portion gently in circular motions for 30-60 seconds. Tingling is expected and not concerning. Rinse thoroughly with lukewarm water. Start at 2 uses per week and build tolerance over 3-4 weeks; advanced users may go to 3-4 nights per week. Always follow with a hydrating serum and barrier-supportive moisturizer. Wear SPF 50+ during the day — AHA use increases sun sensitivity for up to a week after the last application.

Is it worth the price?

At roughly $18 for 180 ml, this cleanser is in the lower price tier for triple-acid cleansers and substantially undercuts comparable clinical-brand alternatives in the $30-$45 range. The 180 ml jar lasts most users 2-3 months at twice-weekly use, which puts the per-use cost well below in-clinic glycolic peel sessions ($50-$150 each) that this product partly replaces. Facetheory does not currently offer a smaller trial size, which is a minor friction for users wanting to test tolerance before committing. The value calculation is strongest for users who would otherwise be buying a separate leave-on AHA serum plus a basic cleanser — this product handles both jobs in one step.

Who should buy it

Oily, combination, and acne-prone users dealing with persistent blackheads, comedonal acne, dull texture, or large pores who have tolerated single-acid products well and want a step up. Also a strong choice for body acne and keratosis pilaris on upper arms, chest, and back where facial skin's sensitivity isn't a concern. Best paired with a routine that includes hydrating serum, ceramide moisturizer, and daily broad-spectrum SPF.

Who should skip it

Skip if you have sensitive, dry, rosacea-prone, eczema-prone, or chronically reactive skin — the acid load will likely trigger flares even at twice-weekly use. Pregnant or breastfeeding users must avoid this product due to the 2% salicylic acid. Anyone strictly avoiding fungal-acne triggers should also skip given the avocado and sweet almond oil content in the cream base.

Ready to try it?Facetheory Clarifying Cleanser C2 · $17.99 · 180 ml
Details

The product, in detail

Texture
Soft, off-white cream that emulsifies slightly with water into a milky lather
Scent
Available in mandarin (cold-pressed essential oil) or unscented
Packaging
Frosted glass jar with metal lid — protects the acids from light but exposes the cream to air every use
How long it lasts
Roughly 2 months at every-other-night use, 3-4 months at twice-weekly use
Once opened
Use within 6 months · track your toss-by date →
Size
180 ml
Made in
United Kingdom
Launched
2016

What the first two weeks feel like

First applications produce a noticeable tingling within 10-20 seconds — this is expected from a 4% glycolic plus 2% salicylic plus 1% lactic acid stack and is not a sign of damage. The tingle subsides on rinse. Start 2-3 times per week and build tolerance over 3-4 weeks before considering more frequent use. Expect a slight pinkness on cheeks immediately post-rinse that fades within 10-15 minutes.

The story behind it

Why it exists

Facetheory developed the Clarifying Cleanser C2 in the brand's early years as a direct-to-consumer alternative to expensive at-home peel products and esthetician-administered glycolic facials. The cleanser has stayed largely consistent through the brand's evolution and now sits alongside a Clarifying Cleanser C2 Pro version with quillaja saponins for users who want a foamier wash.

About Facetheory Established Brand (5–20 years)

Facetheory was founded in the UK in 2014 as a direct-to-consumer skincare brand built around formulation transparency and mid-priced actives. The Clarifying Cleanser C2 is one of the brand's earliest and most reviewed products, with a long history in UK acne-prone routines, though Facetheory's clinical track record is shorter than legacy pharmacy brands.

Brand founded 2014 · This product since 2016

Myth vs. reality

What people get wrong about it

MythAn acid cleanser doesn't have enough contact time to do real work.

RealityA 30-60 second dwell time at 4% glycolic plus 2% salicylic delivers meaningful exfoliation — published studies on rinse-off AHA-BHA cleansers show measurable stratum corneum turnover when concentration and pH match clinical formulations, both of which this product hits. The shorter dwell limits depth, which is exactly why this works as a starter or maintenance exfoliation product.

MythYou can use a strong acid cleanser every day.

RealityAt this acid concentration most users will over-exfoliate within 2-3 weeks of daily use, leading to barrier compromise, paradoxical breakouts, and rebound oiliness. Two to four uses per week is the realistic ceiling for most skin types, and even users who tolerate daily use are usually doing so without a separate leave-on exfoliant in the same routine.

FAQ

Questions people ask

Can I use this cleanser daily?

No — the combined 4% glycolic, 2% salicylic, and 1% lactic acid load is meant for 2-4 uses per week, not daily. Daily use leads to over-exfoliation, barrier compromise, and paradoxical breakouts for most users. Stick to alternating with a gentle non-acidic cleanser on off nights.

Is Clarifying Cleanser C2 gentle enough for reactive skin?

No — this cleanser is calibrated for oily, congested, and acne-prone skin that can tolerate triple-acid exfoliation. Sensitive, rosacea-prone, eczema-prone, or chronically dry skin types will likely find the acid load too intense even at twice-weekly use. A lower-strength single-acid cleanser is a better fit.

How long should I leave it on my face?

Massage onto damp skin for 30-60 seconds, then rinse with lukewarm water. Some users hold it for up to 90 seconds as a brief at-home peel — start with 30 seconds and only extend if your skin tolerates it. Never leave it on for several minutes as you might a dedicated leave-on acid.

Is Clarifying Cleanser C2 safe to use during pregnancy?

No. Salicylic acid above 0.5% is generally contraindicated during pregnancy and breastfeeding, and this cleanser uses 2%. Switch to a pregnancy-safe non-acid cleanser and use azelaic acid or lactic acid alone for any exfoliation needs during pregnancy.

Will it help my blackheads?

Yes — the 2% salicylic acid is well-evidenced for reducing comedonal acne and blackheads, and the rinse-off format minimizes irritation versus a leave-on BHA toner. Most users see noticeable reduction in nose, forehead, and chin congestion within 2-3 weeks of consistent twice-weekly use.

Can I use this on my body for keratosis pilaris or back acne?

Yes — many users apply it to upper arms, back, and chest as a body acne and KP treatment. The acid load is in fact better tolerated on body skin than facial skin, and the same 30-60 second dwell rule applies. Rinse thoroughly and follow with body lotion.

Reviews

What shoppers tend to say

Recurring themes our editors read across retailer reviews — summaries in our words, not quotations, and not a substitute for a patch test.

Common praise

  • Visibly reduces blackheads within 1-2 weeks
  • Doubles as a brief at-home peel with longer dwell time
  • Skin feels noticeably smoother after a single use
  • Cream texture doesn't strip despite the acid load
  • Strong value for a 180 ml triple-acid formula

Common complaints

  • Too strong for daily use for most users — tingling can be intense
  • Not suitable for sensitive, dry, or rosacea-prone skin
  • Cream base can feel heavy for very oily users who prefer gel cleansers
  • Fragranced version may bother fragrance-sensitive skin
Notable endorsementsFrequently recommended in UK acne and oily-skin communities as a budget alternative to dermatologist-prescribed AHA-BHA peels
Next stepCheck it against what you already useClashes, spacing and the right order, with everything on your shelf.