Ducray Keracnyl Glycolic+ Unclogging Cream tube on white background
Promising for Acne
What makes this different

Most glycolic treatments are watery toners or serums; this delivers the acid in a light cream base with rice starch for an oil-blotting, mattifying finish. It also folds in Ducray's Myrtacine complex plus a deliberate bisabolol-and-licorice soothing duo, so the exfoliation comes with built-in irritation control rather than as a raw acid hit.

Ducray

Ducray Keracnyl Glycolic+ Unclogging Cream Review

Blackhead Unclogger Spot Treatments cream pharmacy brand Paraben free Not cruelty free

A clever little glycolic acid cream that treats blackheads and congestion while keeping irritation in check with real soothing actives. The rice-starch base gives oily skin a mattifying finish most acid toners can't, and the Myrtacine angle adds an antibacterial dimension. Fragrance and a tiny tube are the main gripes, but it punches above its size.

Price $19.02 30 ml
Shopper rating 4.3 ★★★★★ 280 reviews
Buy at Amazon ♥
Verdicts

How well it fits each concern

As a niche entry in the Keracnyl line, this cream carries only low-hundreds US review volume across Amazon and importers, so the assessment leans on its transparent, acid-forward formula and glycolic acid's deep evidence base rather than a large body of domestic feedback. The exfoliating benefit is well grounded; the contribution of the Myrtacine complex is the least-validated part of the picture.

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

The scaleRecommendedGoodSupportingEarly evidenceNot for thisAvoidhow it works

Promisingfor AcneGlycolic Acid has trial-level evidence for acne but no guideline or regulatory standing yet — promising, short of a recommendation; the other actives here are not yet assessed for it.Receipt4 sources on the row · concentration not declared; studied range 10% · row checked Jul 17, 2026 · rule R9p, same reading on 4,872 products · open the receipt

The case for it

  1. Glycolic Acid has at least one trial behind it for this concern but no guideline or regulatory standing yet.
  2. It is plausibly present at a working level, though the concentration is not declared.
  3. The formula carries no trigger this concern is sensitive to, with the cautions noted.

Moderate evidenceStandard tolerabilityNo reviews read yet

Cautions: fragrance; fungal-acne triggers.

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Promising” is the verdict on 4,872 of 45,446 concern verdicts across the catalog; rule R9p decided 4,872 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 →

Promisingfor BlackheadsGlycolic Acid has trial-level evidence for blackheads but no guideline or regulatory standing yet — promising, short of a recommendation; the other actives here are not yet assessed for it.Receipt4 sources on the row · concentration not declared; studied range 5–10% · row checked Jul 17, 2026 · rule R9p, same reading on 4,872 products · open the receipt

The case for it

  1. Glycolic Acid has at least one trial behind it for this concern but no guideline or regulatory standing yet.
  2. It is plausibly present at a working level, though the concentration is not declared.
  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: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Promising” is the verdict on 4,872 of 45,446 concern verdicts across the catalog; rule R9p decided 4,872 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 →

Not for thisfor Large PoresThe actives here have been researched for large pores and the evidence does not support the claim.Receipt3 sources on the row · concentration not declared; studied range 5–10% · rule R10, same reading on 489 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 plausibly present at a working level, though the concentration is not declared.
  3. The formula carries no trigger this concern is sensitive to, with the cautions noted.

Not from a trial rowStandard tolerabilityNo reviews read yet

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Not for this” is the verdict on 489 of 45,446 concern verdicts across the catalog; rule R10 decided 489 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 →

Good choicefor Rough TextureGlycolic Acid is a reference standard by mechanism for rough texture; this cream carries it high in the ingredient list.Receipt2 sources on the row · concentration not declared; studied range 4–10% · row checked Jul 17, 2026 · rule R5, same reading on 9,843 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 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.

Limited evidenceStandard tolerabilityNo reviews read yet

Same rule for everyone. “Good choice” is the verdict on 10,340 of 45,446 concern verdicts across the catalog; rule R5 decided 9,843 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 →

Also listed for Excess Oiliness — the actives here (Glycolic Acid, Bisabolol, Licorice Root Extract, Botanical Extracts) are in our research queue for that concern; there is no verdict until their evidence rows are written. That is a gap in our table, not a mark against the product.

Where our review and the verdict differ. The review below was written on the formulation and the published trials; the verdicts above apply the stricter standing test in our methodology — an active earns a recommendation only with guideline or regulatory standing for the concern. Where the two disagree, the verdict is Dermington’s position.

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 Keracnyl Glycolic+ Unclogging Cream?

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Assessment

Pros & cons

What it does well 7

  • Glycolic acid is dosed high enough to genuinely unclog blackheads
  • Rice-starch base gives oily skin a mattifying, non-greasy finish
  • Bisabolol and licorice derivatives buffer acid irritation
  • Myrtacine adds an antibacterial dimension to the exfoliation
  • A thin layer suffices, so the small tube lasts months
  • Backed by Pierre Fabre's dermatological research
  • Visibly smoother, clearer texture within a few weeks

Where it falls short 5

  • Contains fragrance, unsuitable for fragrance-sensitive skin
  • Can sting on broken, dry, or reactive skin
  • Small 30 ml tube and niche US availability
  • A few borderline-comedogenic fatty alcohols in the base
  • Demands diligent daily sunscreen due to AHA photosensitivity
Review

The full review

Glycolic acid has a format problem. It usually comes as a stinging toner you swipe on with a cotton pad, or a runny serum that does little to address the oily, shiny skin most blackhead sufferers are actually dealing with. Ducray's Keracnyl Glycolic+ Unclogging Cream takes a different route: it puts the acid in a light, rice-starch cream that blots oil and finishes matte, and that single formulation decision is what makes it interesting. This is glycolic acid reimagined for the specific person it tends to help most — someone with oily, congested, bumpy skin who is tired of either greasy treatments or harsh ones.

The ingredient list is refreshingly honest about its priorities. Glycolic acid appears high up, just after water, the emollient caprylic/capric triglyceride, glycerin, and rice starch. That placement matters: it tells you the acid is present at a meaningful working level, not buried as a label-decoration trace. Glycolic acid is the smallest of the alpha hydroxy acids, which is exactly why it is so effective at this job — its tiny molecular size lets it penetrate and dissolve the bonds holding dead, sticky cells together inside a pore, which is the literal definition of unclogging a blackhead. The rice starch alongside it is a smart inclusion for oily skin, lending the cream a soft, powdery matte finish instead of the dewy slickness you might expect from a cream.

What keeps this from being just another acid burn is the soothing architecture built around it. Bisabolol, a chamomile-derived anti-inflammatory, and stearyl glycyrrhetinate, a licorice-root derivative, are both included specifically to calm the redness and stinging that glycolic acid can provoke. This is a deliberate, thoughtful pairing — Ducray clearly wanted the exfoliation to happen without scorching the skin, and in practice the cream feels notably milder than its acid content would suggest. There is usually a faint tingle on application, which is the expected sign of an AHA doing its thing, but it tends to be brief rather than punishing.

Then there is Myrtacine, Ducray's patented myrtle-leaf complex that threads through the entire Keracnyl line. Here it brings the brand's antibacterial, sebum-aware philosophy to the formula, theoretically addressing the microbial side of blemishes while the glycolic acid handles the physical congestion. I want to be measured about this: the clinical evidence for myrtle extract is mostly laboratory-stage rather than from large human trials, so I would credit the glycolic acid as the proven workhorse and treat Myrtacine as a plausible supporting player. The combination is sensible; it is just not the part I would stake the product's reputation on.

In use, the cream behaves well. A thin layer is all you need — it spreads easily, sinks in to that characteristic matte, slightly powdery finish, and plays nicely under moisturizer. Over the first week, skin tends to feel smoother to the touch. Over three to four weeks of consistent nightly use, the payoff shows up where it counts: fewer blackheads, less of that congested, sandpapery texture across the nose and chin, and pores that look clearer. Some oily, very congested skin may experience a brief purging phase early on as clogged pores clear out; that is normal and should settle.

The honest limitations are worth stating plainly. It contains fragrance, fairly low on the list but present, which makes it a poor choice for genuinely fragrance-sensitive or reactive skin. It also carries a couple of fatty alcohols and glyceryl stearate that can be borderline for the most congestion-prone among us, though the overall formula is clearly designed to net-decongest. As an AHA product, it increases photosensitivity, so daily sunscreen is non-negotiable while using it — skip the SPF and you undo the benefit and invite pigmentation. And the tube is small at 30 ml; the saving grace is that you use so little per application that it still lasts a couple of months.

Value is reasonable rather than remarkable. At around nineteen to twenty-seven dollars for 30 ml, it is priced like a targeted pharmacy treatment, which is fair given the buffered, dual-action formula and the research pedigree behind it. You are paying for a thoughtfully constructed acid cream rather than a commodity toner, and the per-use cost is low because a little goes far. The friction, as with much of the Keracnyl line in the US, is sourcing it through importers, which can add shipping and a hunt to the equation.

The overall impression is of a small product that knows precisely what it wants to do and does it with unusual care. It is not a do-everything serum or a gentle daily exfoliant for all skin types. It is a focused unclogging treatment for oily, blackhead-prone skin, delivered in a format that suits that skin better than the usual watery options, with genuine soothing actives that make the glycolic acid more livable. For the right person, it is an easy, low-drama addition to a nighttime routine. For dry, sensitive, or fragrance-averse skin, it is the wrong tool — but it never pretended to be that tool in the first place.

The science

The proven engine of this cream is glycolic acid, the alpha hydroxy acid with the most robust dermatological evidence. As the smallest AHA molecule, glycolic acid penetrates the stratum corneum efficiently and weakens the desmosomal bonds between corneocytes, accelerating the shedding of dead cells and helping dislodge the keratin plugs that form comedones — the mechanistic basis for its use against blackheads and rough, congested texture. Decades of studies support glycolic acid for improving skin texture, reducing comedonal acne, and smoothing surface irregularities, with effects that are concentration- and pH-dependent. Its main documented downside is increased photosensitivity, which is why sunscreen is essential alongside any glycolic regimen. The formula's two soothing actives have a credible rationale: alpha-bisabolol, a constituent of chamomile, has demonstrated anti-inflammatory and skin-calming activity in laboratory and clinical work, and glycyrrhetinic acid derivatives from licorice are well documented anti-inflammatory agents — together they help offset AHA-induced irritation, a sensible formulation strategy. Myrtus communis (myrtle) extract, the basis of Ducray's Myrtacine, has shown antimicrobial activity against Cutibacterium acnes in vitro, though human clinical data remain limited and it should be regarded as a supporting, not a primary, active. The net design — a well-evidenced exfoliating acid paired with documented soothing agents in an oil-blotting base — is internally coherent and grounded in established cosmetic science.

The clinical view

Glycolic acid is among the most frequently recommended exfoliants in clinical practice for comedonal acne, blackheads, and rough or uneven texture, valued for its well-characterized keratolytic action. A buffered cream format like this one aligns with the common clinical preference for introducing AHAs gradually and pairing them with soothing agents to minimize irritation, particularly in patients new to acids. Standard guidance is to use glycolic products at night, start a few times weekly before building to nightly tolerance, and apply broad-spectrum sunscreen every morning because AHAs heighten UV sensitivity. The inclusion of anti-inflammatory ingredients such as bisabolol and licorice derivatives is consistent with how clinicians try to make exfoliation tolerable. Patients with rosacea, eczema, or a compromised barrier are typically advised to approach glycolic acid cautiously or avoid it, and to discontinue if persistent stinging or redness occurs.

Formula

Key ingredients

  1. Glycolic Acid

    Sits high in the formula as the primary unclogging active — this small AHA loosens the bonds between dead surface cells so the cream can clear the keratin plugs behind blackheads and bumps, while rice starch helps blot the oily skin it targets.

    Established mechanism for Rough Texture · established mechanism
  2. Myrtacine (Myrtus Communis Leaf Extract)

    Ducray's patented myrtle complex partners with the glycolic acid here to address the bacterial side of blemishes while the AHA handles the physical congestion, giving the cream a dual unclogging-and-calming mechanism.

    Not yet assessed
  3. Bisabolol

    A chamomile-derived soothing agent included specifically to buffer the irritation that glycolic acid can cause, letting the exfoliating action proceed with less redness and stinging on blemish-prone skin.

    Not yet assessed
  4. Stearyl Glycyrrhetinate (Licorice-Derived)

    A licorice-root derivative working alongside bisabolol to anti-inflammatory effect, an intentional pairing that keeps this acid-forward cream tolerable rather than purely stripping.

    Not yet assessed
Full ingredient list 24 ingredients ShowHide

Water (Aqua), Caprylic/Capric Triglyceride, Glycerin, Oryza Sativa (Rice) Starch, Glycolic Acid, Behenyl Alcohol, Cetearyl Alcohol, Arachidyl Alcohol, Glyceryl Stearate, Sodium Hydroxide, Arachidyl Glucoside, Bisabolol, Cetearyl Glucoside, Fragrance (Parfum), Glyceryl Laurate, Helianthus Annuus (Sunflower) Seed Oil, Myrtus Communis Leaf Extract, Pentylene Glycol, Sodium Benzoate, Sodium Chloride, Stearyl Glycyrrhetinate, Tocopherol, Tripterygium Wilfordii Callus Extract, Xanthan Gum

Safety & formulation facts

  • Pregnancy safe
  • Not fragrance free
  • Alcohol free
  • Not oil free
  • Silicone free
  • Paraben free
  • Sulfate free
  • Not cruelty free
  • Not vegan
  • Not fungal-acne safe
Pore-clogging (comedogenic) Cetearyl AlcoholGlyceryl Stearate
Potential irritants Glycolic AcidParfum
Common allergens Parfum
Compatibility

Skin types & routine

Routine step treatment
Time of day Night
Best season All year
Finish matte, non-greasy

Layering

Best used at night on clean, dry skin before moisturizer. Avoid layering with other strong exfoliants or retinoids on the same evening to limit irritation, and never skip morning sunscreen while using it.

When to expect results

A smoother surface feel within the first week. Visible reduction in blackheads and congested texture typically appears over 3-4 weeks, with fewer clogged pores at 6-8 weeks of consistent nightly use.

Pairs well with Niacinamide serumsOil-free moisturizersDaily SPF 30+
Don't combine with Retinoids (same night)Other AHA/BHA exfoliants (same night)Benzoyl peroxide (same application)

A routine built around it

Morning

  1. Gentle cleanser
  2. Niacinamide serum
  3. Oil-free moisturizer
  4. Sunscreen SPF 30+

Night

  1. Gentle cleanser
  2. Ducray Keracnyl Glycolic+ Unclogging Creamthis product
  3. Lightweight moisturizer
Guidance

How to use it, and who it's for

How to use

Use in the evening on clean, dry skin. Smooth a thin layer over the areas prone to blackheads and congestion — typically the nose, chin, and forehead — avoiding the eyes and lips. A small amount is plenty. Start two or three nights a week to assess tolerance, then build toward nightly as your skin adjusts. Follow with a lightweight, non-comedogenic moisturizer. Do not combine it with retinoids or other strong exfoliants in the same session, and apply broad-spectrum SPF 30 or higher every morning, since glycolic acid increases sun sensitivity. Discontinue if persistent stinging or redness develops.

Is it worth the price?

Priced around $19-27 for 30 ml, this sits in targeted-treatment territory rather than budget exfoliant range, but the cost is justified by a genuinely buffered, dual-action formula rather than a bare-bones acid. Because only a thin layer is required each night, the small tube stretches to roughly two to three months, making the real per-use cost modest. The product does not come in a larger size, so there's no bulk economy to chase. The main value caveat is US sourcing through importers, where shipping can nudge the effective price up. For oily, blackhead-prone skin specifically, it represents fair value as a focused, well-constructed glycolic treatment.

Who should buy it

This is for oily or combination skin battling blackheads, clogged pores, and rough, congested texture who want a glycolic treatment in a mattifying cream rather than a runny toner. It's especially well suited to people who find pure acid products too harsh, since the bisabolol-and-licorice buffering makes the exfoliation more comfortable.

Who should skip it

Skip it if your skin is dry, sensitive, rosacea-prone, or has a compromised barrier — the glycolic acid and added fragrance can be too provoking. Anyone unwilling to commit to daily sunscreen should also pass, because using an AHA without sun protection invites irritation and pigmentation rather than clearer skin.

Ready to try it?Ducray Keracnyl Glycolic+ Unclogging Cream · $19.02 · 30 ml
Details

The product, in detail

Texture
A medium-weight white cream that spreads thinly and absorbs to a soft, slightly powdery matte thanks to the rice starch.
Scent
A light cosmetic fragrance that fades quickly after application.
Packaging
Small 30 ml squeeze tube in the green Keracnyl pharmacy design.
How long it lasts
Roughly 2-3 months of nightly use from the 30 ml tube, since only a thin layer is needed.
Once opened
Use within 6 months · track your toss-by date →
Size
30 ml
Made in
France

What the first two weeks feel like

Expect a faint, brief tingle on application as the glycolic acid gets to work — normal for an AHA at this strength. Some oily, congested skin may go through a short purging phase in the first couple of weeks as clogged pores clear; this should settle. Drier areas can feel a little tight.

The story behind it

Why it exists

Created as the targeted unclogging step within Ducray's Keracnyl acne range, it answers the specific complaint of blackheads and congested, bumpy texture on oily skin. The brand paired its signature Myrtacine technology with glycolic acid to combine chemical exfoliation with the line's antibacterial, sebum-aware philosophy.

About Ducray Legacy Brand (20+ years)

Ducray, founded in 1931 and part of the Pierre Fabre dermo-cosmetics group, develops its acne-focused Keracnyl range around its patented Myrtacine complex backed by the company's botanical research labs. The line is a recognized pharmacy fixture for blemish-prone skin across Europe.

Brand founded 1930

Myth vs. reality

What people get wrong about it

MythA glycolic cream this gentle-feeling can't be doing much.

RealityGlycolic acid sits near the top of this ingredient list, well above most actives — the cream feels mild because bisabolol and licorice derivatives buffer it, not because the acid is absent or under-dosed.

MythExfoliating creams make skin oilier by drying it out.

RealityThis formula includes rice starch and a sebum-aware design specifically for oily skin, and properly clearing pore congestion tends to normalize how oil sits on the surface rather than triggering rebound greasiness.

FAQ

Questions people ask

How much glycolic acid is in the Keracnyl Glycolic+ cream?

Ducray doesn't publish an exact percentage, but glycolic acid sits high on the ingredient list — just below water, an emollient, glycerin, and rice starch — indicating a meaningful working concentration rather than a token amount.

Is this an unclogging treatment or a cleanser?

It's a leave-on treatment cream, not a wash. You apply a thin layer to dry skin at night and leave it on, allowing the glycolic acid time to exfoliate and clear pore congestion.

Will the Glycolic+ cream make me purge?

Some oily, congested skin experiences a brief purging phase in the first couple of weeks as clogged pores clear out. This is normal for an exfoliating acid and should settle; persistent irritation, however, means you should scale back frequency.

Can I use this cream every night?

You can build up to nightly use, but start two or three nights a week to gauge tolerance. Because the formula buffers the acid with bisabolol and licorice derivatives, many people tolerate it well, but easing in reduces the risk of irritation.

Do I need sunscreen while using Keracnyl Glycolic+?

Absolutely. Glycolic acid increases your skin's sensitivity to UV light, so daily broad-spectrum SPF 30 or higher is essential. Skipping it risks irritation and pigmentation that undermine the cream's benefits.

Is the Glycolic+ Unclogging Cream safe during pregnancy?

It contains no retinoids, and topical glycolic acid is generally considered low-risk in pregnancy, but practices vary. Confirm with your doctor before adding any exfoliating acid to your routine while pregnant.

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

  • Noticeably smoother skin
  • Reduces blackheads over time
  • Doesn't feel overly harsh
  • Small amount goes a long way

Common complaints

  • Contains fragrance
  • Can sting on broken or sensitive skin
  • Small 30 ml tube
  • Mild purging in early weeks for some
Notable endorsementsPart of Ducray's dermatological Keracnyl acne rangeStocked in European pharmacies
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