No. 3 Rice Enzyme Skin Softening Cleansing Foam

Korean women have washed their faces with rice water for centuries. The starchy, milky liquid leftover from rinsing rice grains was prized for its skin-softening and brightening properties long before anyone understood the biochemistry behind it. Numbuzin's No. 3 Rice Enzyme Cleansing Foam takes that traditional wisdom and runs it through a modern formulation lab, and the result is one of the more interesting cleansers to emerge from K-beauty in recent years.

The first thing you notice is the texture. It comes out of the tube as a thick, grainy paste — there are visible rice-like granules suspended in the cream that make it look almost like a scrub. But don't let the appearance mislead you. Those granules are cellulose and rice starch, not abrasive scrub beads. They dissolve completely when water is introduced, transforming the paste into a dense, whipped-cream foam that feels like a luxury product from a much more expensive brand.

The real innovation is what happens while you're washing your face. Four enzymes are quietly working: papain (from papaya) and bromelain (from pineapple) break down dead protein cells on the skin surface; protease targets keratin buildup in pores; lipase dissolves excess sebum. This isn't the aggressive chemical exfoliation of glycolic acid or the physical abrasion of a scrub — it's targeted, biochemical digestion of the specific substances that make skin look dull and feel rough. And because enzymes work at skin temperature without pH dependence, they're inherently gentler than acid exfoliants.

The surfactant system deserves recognition for what it avoids. Instead of sodium lauryl sulfate or its relatives, Numbuzin chose three amino acid-derived surfactants: sodium cocoyl glycinate, sodium lauroyl glutamate, and sodium methyl cocoyl taurate. These are among the mildest cleansing agents available, producing satisfying foam without the barrier-stripping effect that gives foam cleansers their bad reputation. Disodium cocoamphodiacetate adds amphoteric mildness, and lauryl betaine provides additional foaming without increasing irritation. The result is a cleanser that generates impressive foam while leaving the moisture barrier meaningfully intact.

The supporting ingredients elevate this from a good cleanser to a genuinely thoughtful one. Glycerin sits at the very top of the list — before water — providing humectant hydration that survives the rinse. Ceramide NP helps replenish barrier lipids even during the brief contact time. Centella asiatica extract soothes any irritation the enzymes might cause. Kojic dipalmitate, a stabilized form of the brightening agent kojic acid, adds a melanin-regulating dimension. Beta-glucan provides additional soothing. Kaolin and hydrated silica offer gentle oil absorption for the mask technique.

The multi-purpose nature of this product is genuinely useful, not just marketing spin. Used normally as a daily foam cleanser (30-60 seconds of massage, then rinse), it provides gentle daily exfoliation alongside thorough cleansing. Applied to dry skin and left for two to three minutes before adding water, it functions as an enzyme mask — the extended contact time allows the enzymes more opportunity to work on stubborn texture and congestion. This flexibility makes it feel like two products in one.

The clinical data Numbuzin provides is modest but credible: 6.8% improvement in moisture barrier function and 1.92% improvement in skin tightness after two weeks. For a rinse-off product that sits on skin for under a minute in normal use, these numbers suggest the amino acid surfactant and ceramide combination is doing measurable good for the barrier even during brief contact.

After rinsing, the skin tells the story. There's a distinctive softness — not the squeaky-clean tightness of a standard foam cleanser, but a genuinely smooth, hydrated feel. Skin looks subtly brighter immediately, and over weeks of consistent use, the enzyme exfoliation compounds into visibly improved texture, reduced dullness, and clearer pores.

The fragrance-free formulation is the right call for a product that combines multiple exfoliating mechanisms. When you're already asking skin to tolerate four enzymes, kaolin, and hydrated silica, adding fragrance would be piling risk on risk. The faint natural rice ferment scent is barely perceptible and disappears completely after rinsing.

At thirteen dollars for 170ml, the value is outstanding. This is a larger tube than most K-beauty cleansers, packed with amino acid surfactants, four enzymes, fermented rice, centella, ceramide NP, kojic dipalmitate, and beta-glucan. The per-use cost is genuinely low, the ingredient profile is genuinely impressive, and the dual cleanser-exfoliator functionality means it potentially replaces two products in your routine.

If there's a complaint to be made, it's that the enzyme activity may be too much for very sensitive skin used daily. Starting every other day and building up is wise. And despite the kaolin content, this isn't a match for heavy waterproof makeup as a standalone — you'll still want a first-step oil cleanser for that.

This is the kind of product that earns its place in a routine by being quietly excellent at multiple things rather than loudly excellent at one.

Formula

The Science

The four-enzyme system in this cleanser operates through distinct biochemical mechanisms. Papain (from Carica papaya) is a cysteine protease that selectively cleaves peptide bonds in dead keratinized cells while leaving living cells largely unaffected — a 2002 study in the Archives of Dermatological Research demonstrated papain's ability to provide effective desquamation with minimal irritation. Bromelain (from Ananas comosus) is a sulfhydryl protease with documented anti-inflammatory properties beyond its exfoliating function — research in Biomedical Reports showed it reduces inflammatory mediators while digesting dead tissue.

Protease and lipase provide complementary exfoliation angles. Protease breaks down the protein bonds holding dead corneocytes together, while lipase specifically targets the sebaceous lipids that contribute to pore congestion and blackhead formation. This combination addresses both the cellular and lipid components of surface debris — a more comprehensive approach than either enzyme alone.

The amino acid surfactant system — sodium cocoyl glycinate, sodium lauroyl glutamate, and sodium methyl cocoyl taurate — represents current best practice in mild cleansing. A comparative study in Skin Research and Technology demonstrated that amino acid-based surfactants cause significantly less protein denaturation and barrier disruption than SLS, while maintaining equivalent cleansing efficacy. The inclusion of glycerin as the first ingredient (before water) provides additional barrier protection during cleansing.

Kojic dipalmitate is a lipophilic derivative of kojic acid with improved stability and reduced irritation potential. Research in the Journal of Cosmetic Science showed it effectively inhibits tyrosinase activity while being better tolerated than free kojic acid, making it suitable for a rinse-off product where prolonged contact is limited but repeated daily exposure can produce cumulative brightening effects.

References

1. Papain as a desquamation agent in skin care — Archives of Dermatological Research (2002)
2. Comparative evaluation of surfactant-induced skin barrier disruption — Skin Research and Technology (2006)

Dermatologist Perspective

Dermatologists generally view enzyme-based exfoliation as a gentler alternative to chemical exfoliation with AHAs or BHAs, particularly for patients who cannot tolerate acid-based products. Board-certified dermatologists would note that the amino acid surfactant base in this cleanser represents current best practice in mild cleansing, and the inclusion of ceramide NP in a rinse-off product demonstrates formulation awareness. For patients with textured skin, mild comedonal acne, or dullness, this cleanser offers daily exfoliation without the irritation risks of leave-on acid treatments. Dermatologists would advise building up gradually from every-other-day to daily use, and would recommend against combining this with other exfoliating treatments on the same day to avoid over-exfoliation.

Guidance

This cleanser represents Numbuzin's entry into the enzyme cleansing category that has deep roots in Japanese and Korean beauty traditions. The rice-based formulation nods to the centuries-old practice of using rice water for skin brightening, updated with modern enzyme technology and amino acid surfactants. Clinical testing showed a 6.8% improvement in moisture barrier function and 1.92% improvement in skin tightness after just two weeks — respectable numbers for a rinse-off product.

About Numbuzin Emerging Brand (2–5 years)

Numbuzin launched in 2019 under Korean startup Benow and quickly gained traction after winning top honors at the 2022 Olive Young Awards. The brand is known for its numbered product system and ingredient transparency, though it has a limited track record and no independent clinical trials on its specific formulations.

Brand founded: 2019 · Product launched: 2024

Myth vs. Reality

Myth

Enzyme cleansers are just scrubs with a fancy name.

Reality

The grainy texture of this cleanser comes from cellulose and rice starch, not abrasive scrub particles. The actual exfoliation happens biochemically — papain, bromelain, protease, and lipase break down dead cells and sebum through enzymatic digestion, which is gentler and more precise than physical scrubbing. The granules dissolve during use.

Myth

Foam cleansers always strip the skin and damage the moisture barrier.

Reality

This cleanser uses amino acid-derived surfactants (sodium cocoyl glycinate, sodium lauroyl glutamate) rather than SLS/SLES. These are among the mildest surfactant classes available, producing foam without the aggressive stripping effect. The inclusion of glycerin (first ingredient), ceramide NP, and centella further supports barrier integrity during cleansing.

FAQ

Common Praise

"Rice-like grainy texture transforms into satisfying whipped cream foam"

"Skin feels genuinely softened and smooth after rinsing — not stripped"

"Multi-purpose: works as cleanser, exfoliator, and mini enzyme mask"

"Fragrance-free and sulfate-free formula is gentle despite enzyme actives"

Common Complaints

"Enzyme exfoliation may be too much for very sensitive skin with daily use"

"Initial grainy texture can feel unusual before adding water"

"May not remove heavy waterproof makeup effectively as a standalone"

"Tube runs out faster than expected with twice-daily use"

Appears In

best enzyme cleanser k beauty best rice cleanser for texture best exfoliating foam cleanser best cleanser for dullness

Related Conditions

texture dullness large pores oiliness blackheads

Related Ingredients

probiotics prebiotics centella asiatica ceramides kojic acid