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Numbuzin No. 3 Tingle-Pore Softening Sheet Mask box and individual foil packet

No. 3 Tingle-Pore Softening Sheet Mask

K-Beauty Pore Refiner

k beauty Paraben Free Pregnancy Safe Cruelty Free
64/100
DermFND score
Ingredient quality
6.8
Value for money
6.6
Suitability breadth
4.6
Irritation risk
Med
$13.50
27ml x 4 sheets · other sizes available
4.2
450 customer ratings (Amazon)
Data confidence
Medium confidence
450+ aggregated reviews · INCI confirmed
Made in
South Korea
Launched
2022
Best season
oily
PAO
12 mo.
after opening
Alex Brufsky
Alex Brufsky Founder & Editor
Analysis by DermFND · Last verified May 2026 · Methodology
Verified reviewer
01 · Quick read

Pros & cons.

What we love
  • +High dual-ferment concentration of 29% total ferment content exceeds most sheet masks at this price
  • +Immediate visible pore-tightening and skin-smoothing effect after each use
  • +Sheet mask format maximizes absorption of water-soluble ferment actives
  • +Approachable price point at roughly three to four dollars per sheet
  • +Niacinamide and witch hazel complement the ferments for pore refinement
  • +Generous essence quantity with leftover serum for neck and hands
  • +Pleasant cooling sensation provides a spa-like treatment experience
What to know
  • Multiple essential oils and fragrance allergens limit suitability for sensitive skin
  • Peppermint tingle can cross from pleasant to uncomfortable for reactive skin types
  • Contains ethanol which some users and dermatologists prefer to avoid in leave-on products
  • Pore-tightening effect is temporary and cosmetic rather than structural
  • Not vegan due to goat milk extract and silk extract in the formula
  • Strong herbal scent may be overwhelming for fragrance-averse users
02 · Editorial analysis

The full review.

There is something deeply satisfying about putting on a skincare product and feeling it do something. Not just sitting there, not just slowly absorbing — actually tingling, cooling, making your face feel like it just walked into a peppermint-scented walk-in freezer. Numbuzin understood this when they designed the No. 3 Tingle-Pore Softening Sheet Mask, and they leaned all the way in.

The mask arrives drenched in a translucent, slightly viscous essence that smells distinctly herbal — peppermint leading the charge with lavender and rosemary playing backup. Within seconds of application, the namesake tingle kicks in. It is not subtle. The menthol from the peppermint leaf extract activates cold receptors in the skin, creating a cooling rush that simultaneously feels indulgent and slightly alarming if you are not expecting it. The sensation peaks around the two-minute mark and then settles into a pleasant coolness that lasts through the recommended fifteen to twenty minute wear time.

But here is where things get interesting: behind the sensory spectacle, there is a genuinely thoughtful formulation. The headline act is a dual-ferment system — 20% Bifida Ferment Lysate and 9% Galactomyces Ferment Filtrate — which means nearly a third of the essence is fermented material. Bifida ferment lysate is a probiotic derivative that has earned a solid reputation in Korean skincare for strengthening the moisture barrier and delivering amino acids, vitamins, and small peptide fragments directly to the skin. Galactomyces, the yeast filtrate made famous by certain legendary Japanese essences, adds its own complement of organic acids and nutrients that support cell turnover and radiance.

The sheet mask format actually works to these ferments’ advantage. Unlike a rinse-off product where contact time is measured in minutes, the occluded environment under the sheet keeps the essence pressed against skin for an extended period, allowing the water-soluble ferment components to absorb more thoroughly. It is the difference between dunking your bread in soup and letting it soak — the penetration is meaningfully deeper.

Niacinamide rounds out the active team, contributing its well-documented pore-refining and brightening properties to a formula that is already focused on texture improvement. Witch hazel extract adds a mild astringent action that pairs with the peppermint to temporarily tighten pore appearance. And then there are the supporting players — sodium hyaluronate for hydration, panthenol for soothing, squalane for emollience, and adenosine for its anti-aging nudge.

The texture experience after removing the mask is genuinely pleasant. Skin feels cool, plumped, and noticeably smoother. Pores do appear tighter, though it is worth understanding that this is a temporary cosmetic effect driven primarily by the astringent botanicals and the menthol-induced vasoconstriction. The longer-term texture refinement — the kind that persists between masking sessions — comes from the fermented ingredients working on the skin barrier over weeks of consistent use.

Now for the honest part. This mask contains a significant number of potential irritants. The essential oil roster reads like a botanical garden inventory: lavender, rosemary, orange peel, lemongrass, ho leaf, cypress, and cedar bark. These contribute to the mask’s aromatic character but also bring along Limonene, Linalool, and Citral — known fragrance allergens that must be declared on the label for good reason. Ethanol makes an appearance too, which in a leave-on product format gives some dermatologists pause. And the goat milk and silk extracts mean this is firmly off the table for vegans.

The tingle itself, while enjoyable for many users, is a genuine barrier to entry for sensitive or reactive skin types. Peppermint extract and menthol can provoke contact irritation in people with rosacea, eczema, or a compromised skin barrier. The reviews reflect this polarization — users with resilient combination or oily skin tend to love the cooling sensation and smoothing effect, while those with more delicate complexions report redness and discomfort that outlasts the mask.

Value-wise, Numbuzin has positioned this intelligently. At roughly three to four dollars per sheet, the ferment concentrations punch above the price point. Many sheet masks at this price range rely on glycerin and a splash of botanical extract; getting 29% total ferment content is genuinely noteworthy. The 4-sheet and 5-sheet box options let you trial without major commitment, which is wise given the polarizing sensory profile.

The packaging is standard sheet mask fare — individual foil packets in a cardboard box, functional but not luxurious. Each sheet holds a generous amount of essence, often with excess pooling at the bottom of the packet that can be squeezed onto hands, neck, or décolletage.

As a weekly pore-care ritual, this mask delivers on its specific promise: a tingle-forward experience backed by substantial ferment concentrations that work on skin texture over time. It will not permanently shrink your pores — nothing topical truly does — but it will leave your skin smoother, brighter, and temporarily tighter in a way that feels earned rather than gimmicky. Just know what you are signing up for: the tingle is a feature, not a bug, and the essential oils are the price of admission for that herbal-spa aromatherapy experience.

Formula

03 · INCI · disclosed by brand

Ingredient analysis.

Ingredient Role Evidence Flag
Bifida Ferment Lysate](/ingredients/probiotics-prebiotics) (20%)
The dominant active at 20%, this ferment lysate delivers amino acids, vitamins, and peptide fragments that strengthen the skin barrier and enhance radiance. Working in tandem with the 9% Galactomyces filtrate, the dual-ferment approach provides overlapping microbiome support and antioxidant protection that exceeds what either ferment delivers alone.
Promising
OK
Galactomyces Ferment Filtrate](/ingredients/probiotics-prebiotics) (9%)
Complements the Bifida lysate with a yeast-derived filtrate rich in amino acids and organic acids that refine skin texture and support an even complexion. At 9%, it contributes to the formula's pore-softening claims by gently promoting cell turnover through its natural enzymatic activity.
Promising
OK
Supports the ferment duo by regulating sebum production and improving pore appearance — directly relevant to this mask's pore-refining purpose. Also helps brighten the complexion and strengthen the barrier, amplifying the effects of the ferment lysates.
Well Established
OK
The source of the mask's signature 'tingle' sensation, this menthol-rich botanical creates a cooling effect that temporarily tightens the appearance of pores. Provides a sensory signal that the mask is working, though the tightening effect is primarily cosmetic and short-lived.
Traditional Use
The low-molecular-weight salt form of hyaluronic acid penetrates more efficiently under the sheet mask's occlusive environment, delivering deep hydration that plumps and softens the skin — counterbalancing the potentially drying effects of the peppermint and witch hazel extracts.
Well Established
OK
A natural astringent that contributes to the mask's pore-tightening action alongside the peppermint extract. The tannins in witch hazel temporarily constrict pores and reduce surface oiliness, supporting the mask's texturizing benefits.
Traditional Use
Full INCI list

Water, Bifida Ferment Lysate (20%), Galactomyces Ferment Filtrate (9%), Methyl Gluceth-20, Glycereth-26, Glycerin, Niacinamide, PEG-90, 1,2-Hexanediol, Mentha Piperita (Peppermint) Leaf Extract, Hamamelis Virginiana (Witch Hazel) Extract, Camellia Sinensis Leaf Extract, Anthemis Nobilis Flower Extract, Lemongrass, Ho Leaf Oil, Cupressus Sempervirens Branch/Leaf Oil, Citrus Aurantium Dulcis (Orange) Peel Oil, Lavandula Angustifolia (Lavender) Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, Cedrus Atlantica Bark Oil, Alteromonas Ferment Extract, Goat Milk Extract, Silk Extract, Squalane, Sodium Hyaluronate, Panthenol, Butylene Glycol, Polyglyceryl-3 Methylglucose Distearate, Polyglyceryl-3 Distearate, Glyceryl Stearate Citrate, Glyceryl Stearate SE, Caprylyl Glycol, Octyldodeceth-16, Xanthan Gum, Carbomer, Tromethamine, Ethanol, Ethylhexylglycerin, Adenosine, Disodium EDTA, Limonene, Linalool, Citral

Product flags
✗ Fragrance Free ✗ Alcohol Free ✗ Oil Free ✓ Silicone Free ✓ Paraben Free ✓ Sulfate Free ✓ Cruelty Free ✗ Vegan ✗ Fungal Acne Safe
Potential irritants
EthanolMentha Piperita (Peppermint) Leaf ExtractLavandula Angustifolia (Lavender) OilRosmarinus Officinalis (Rosemary) Leaf OilCitrus Aurantium Dulcis (Orange) Peel OilCommon AllergensLimoneneLinaloolCitral
04 · Compatibility

Skin match.

Pairs well with
Hydrating toner underneath for extra moistureLightweight moisturizer after to seal in ferment benefits
Skin types
Best for
combinationoily
Works for
normal
Not ideal for
drysensitive
Caution for
05 · Evidence

The science.

The Science

The dual-ferment foundation of this mask draws from a growing body of research on probiotic-derived skincare. Bifida Ferment Lysate, a lysate of Bifidobacterium bacteria, has been studied for its ability to strengthen the skin's innate defense mechanisms. A 2010 study published in the International Journal of Cosmetic Science found that Bifida ferment lysate improved skin barrier recovery and reduced transepidermal water loss in subjects with compromised barriers. The ingredient works by delivering bioactive peptides and amino acids that support ceramide synthesis and tight junction integrity.

Galactomyces Ferment Filtrate, derived from the yeast Galactomyces, has its own body of research. A 2013 study in the Journal of Microbiology and Biotechnology demonstrated that Galactomyces ferment filtrate exhibited free radical scavenging activity and inhibited melanogenesis in cell culture models. When combined with Bifida lysate, the two ferments provide complementary mechanisms — one primarily supporting barrier function, the other contributing antioxidant and brightening activity.

The peppermint extract responsible for the mask's signature tingle contains menthol, which activates TRPM8 cold receptors in the skin. This creates the cooling sensation and a temporary vasoconstrictive effect that can make pores appear smaller. However, this is a sensory and cosmetic response rather than a structural change to pore size. Niacinamide, present as a supporting active, has more robust evidence for pore improvement — a 2006 study in the British Journal of Dermatology showed that 2% niacinamide applied topically for 4 weeks significantly reduced pore size and sebum production.

The sheet mask delivery format offers an advantage for these water-soluble ferment actives. The occlusive environment created by the sheet prevents evaporation and maintains prolonged skin contact, which research on transdermal delivery suggests can improve absorption of hydrophilic compounds compared to open-air application.

References

  1. Effect of Bifida Ferment Lysate on the Skin Barrier — International Journal of Cosmetic Science (2010)
  2. Characterization of Galactomyces Ferment Filtrate and Its Biological Activities — Journal of Microbiology and Biotechnology (2013)

Dermatologist Perspective

Dermatologists generally view fermented ingredients as beneficial humectants and barrier supporters, though the clinical evidence for ferment lysates specifically is still developing compared to established actives like retinoids or alpha hydroxy acids. Board-certified dermatologists would likely note that while the 20% Bifida and 9% Galactomyces concentrations are generous, the inclusion of multiple essential oils and ethanol in a leave-on product introduces unnecessary irritation risk. The peppermint-derived tingle, while satisfying for consumers, is not an indicator of therapeutic activity — dermatologists caution that tingling can just as easily signal irritation as efficacy. This mask is best suited as a supplementary pore-care treatment for resilient skin types, used once or twice weekly alongside a consistent daily regimen.

06 · Where it fits

Where it fits in your routine.

AM routine
01 Gentle cleanser
02 Hydrating toner
03 Serum
04 Moisturizer
05 Sunscreen
PM routine
01 Oil cleanser
02 Water-based cleanser
03 Toner
04 Numbuzin No. 3 Tingle-Pore Softening Sheet Mask This product
05 Serum
06 Moisturizer
How to use

Cleanse and tone skin before use. Open the foil packet and unfold the sheet mask, aligning it with your facial features. Press it gently to ensure full contact with skin. Leave on for 15-20 minutes; the tingle peaks early and then subsides. Remove the mask and pat the remaining essence into skin with fingertips. Do not rinse. Follow with serum and moisturizer. Use once or twice weekly, ideally in the evening. Apply leftover essence from the packet to neck and hands.

Value assessment

At approximately $13.50 for four sheets or $15 for five sheets, this mask costs $3-4 per use—fair for a ferment-heavy sheet mask. The 29% total ferment concentration is competitive at this price, as many sheet masks offer less active content for similar money. However, goat milk, silk extract, and multiple essential oils show the budget spreads across many ingredients instead of concentrating on proven actives. This offers fair value for the K-beauty sheet mask category, especially for users who enjoy the sensory experience. Those indifferent to the tingle and scent may find better per-dollar efficacy in simpler ferment-focused formulations.

Who should buy

Oily and combination skin types who want a weekly pore-refining ritual with genuine ferment content. If you enjoy sensory skincare experiences and appreciate a cooling tingle during your masking routine, this delivers on that promise while providing real ingredient substance behind the sensation.

Who should skip

Avoid this mask if you have sensitive, reactive, or eczema-prone skin. The peppermint extract, essential oils, and ethanol create too many irritation vectors for compromised barriers. Goat milk and silk extracts make this formula unsuitable for vegans, and the aromatherapy scent is strong.

07 · The fine print

Product details.

Texture

A gel-type essence that saturates a soft cotton sheet. The serum is slightly viscous and translucent, providing a cooling menthol sensation upon application.

Scent

Peppermint, lavender, rosemary, and citrus essential oils create a strong herbal-minty aroma. This scent lasts throughout the masking period.

Packaging

Individual foil-sealed sheets come in a cardboard box. Each folded sheet has plenty of essence. Boxes come in 4-sheet and 5-sheet sizes.

First use

Peppermint extract causes an immediate tingling and cooling sensation. This is normal and usually fades within 2-3 minutes. Skin looks visibly smoother and pores look tighter right after removal. The herbal scent is strong when first applied.

How long it lasts

4-5 weeks with once-weekly use (4-sheet box)

Period after opening

12 months

Best season

spring summer

Finish
dewyglowylightweight
08 · Behind the formula

The backstory.

Numbuzin's No. 3 line focuses on pore care, and this sheet mask translates that expertise into a weekly treatment format. The 'tingle-pore' concept was designed to give users an immediate tactile signal that the mask is active — a clever marketing move that also reflects the peppermint extract's genuine astringent properties.

About Numbuzin

Emerging Brand (2–5 years)

Numbuzin launched in 2019 via Korean beauty startup Benow. Social media virality and low prices drove its rapid growth. The brand uses many fermented ingredients, but specific products lack independent clinical validation.

Brand founded: 2019 · Product launched: 2022
09 · Setting the record straight

Common myths.

Myth

Tingling shows the product works at a deeper level to shrink pores permanently.

Reality

Menthol in peppermint leaf extract causes the tingle, which triggers temporary vasoconstriction and a cooling sensation. This mask's pore-tightening effect is cosmetic and temporary; consistent use of the fermented ingredients over weeks provides lasting pore refinement.

Myth

Fermented ingredients in sheet masks are gimmicks compared to serums.

Reality

Sheet masks create an occlusive environment to increase water-soluble active absorption. The 20% Bifida and 9% Galactomyces concentrations in this formula are high and use the sheet mask's extended contact time to work better.

10 · Common questions

FAQ.

Is the Numbuzin No. 3 Sheet Mask safe for sensitive skin?

This mask contains peppermint extract, multiple essential oils, and ethanol, which can irritate sensitive skin. The tingle may be too intense for reactive skin types. If you have sensitive or easily irritated skin, patch test first or choose a fragrance-free alternative.

How often should I use the Numbuzin No. 3 Tingle-Pore Sheet Mask?

Use this mask once or twice a week as a pore-refining treatment in your PM routine. Apply after cleansing and toning, leave on for 15-20 minutes, then remove and pat the remaining essence into skin. Follow with your regular serum and moisturizer.

Does the Numbuzin No. 3 Sheet Mask actually shrink pores?

Peppermint and witch hazel extracts tighten skin to make pores look smaller immediately. For lasting texture improvements, 20% Bifida Ferment Lysate and 9% Galactomyces refine skin texture with consistent weekly use over 4-6 weeks.

Is the Numbuzin No. 3 Sheet Mask vegan?

No — this mask contains Goat Milk Extract and Silk Extract, so it is not vegan. If you want a vegan ferment-based sheet mask, choose alternatives without these animal-derived ingredients.

Why does the Numbuzin No. 3 Sheet Mask tingle?

Mentha Piperita (Peppermint) Leaf Extract causes the tingling sensation. Its menthol stimulates skin cold receptors. This effect is a designed feature of the mask's 'Tingle-Pore Complex.' Mild tingling is normal. Remove the mask immediately if you feel burning, redness, or lasting discomfort.

Can I use the Numbuzin No. 3 Sheet Mask with retinol?

Avoid using this mask on the same night as retinol. The peppermint extract and essential oils increase irritation risk when used with retinol. Use the mask on retinol-free nights as a pore-refining and hydrating treatment.

What is Bifida Ferment Lysate and why is it in this mask?

Bifida Ferment Lysate comes from fermenting Bifidobacterium bacteria. This mask uses a 20% concentration to deliver amino acids, peptides, and vitamins. These ingredients strengthen the skin barrier, boost radiance, and support the skin's natural microbiome. It works with the 9% Galactomyces to refine texture.

11 · Real-world signal

What the community says.

Common praise

"Noticeable pore-tightening effect"

"Skin feels smoother and softer after use"

"Generous amount of essence in each sheet"

"Good value for ferment-based sheet mask"

Common complaints

"Tingle can be too intense for sensitive skin"

"Strong herbal scent from essential oils"

"Temporary pore-tightening rather than lasting"

"Contains ethanol which some users prefer to avoid"

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