5 Best SK-II Essence Dupes on Amazon: Galactomyces Essences for Less

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The closest SK-II essence dupe you can buy on Amazon is mixsoon Galactomyces Ferment Essence (around $32 for 100 ml): like SK-II’s Facial Treatment Essence, its first ingredient is galactomyces ferment filtrate, and its ingredient list has just two items. If dullness is your main concern, Ma:nyo Galac Niacin 3.0 Essence pairs 81.9% galactomyces with 4% niacinamide, and if value matters most, the Some By Mi Galactomyces Glutathione Glow Milky Toner gives you 200 ml for around $25. None of them contains SK-II’s proprietary PITERA, but all of them cost a fraction of the $99 starting price.

Quick picks

• Best overall SK-II essence dupe: mixsoon Galactomyces Ferment Essence (around $32)
• Best for dullness and uneven tone: Ma:nyo Galac Niacin 3.0 Essence (around $25 to $34)
• Best value per ml: Some By Mi Galactomyces Glutathione Glow Milky Toner (around $25 for 200 ml)
• Best with vitamin C: Some By Mi Galactomyces Pure Vitamin C Glow Serum (around $29)
• Best “first essence” alternative without galactomyces: Missha Time Revolution The First Essence (around $39)

What’s actually in SK-II Facial Treatment Essence?

SK-II’s Facial Treatment Essence is short on ingredients. SK-II’s own product page lists seven: Galactomyces Ferment Filtrate (PITERA), butylene glycol, pentylene glycol, water, sodium benzoate, methylparaben and sorbic acid. The brand says the essence contains “more than 90% PITERA.”

PITERA is SK-II’s trademarked name for its galactomyces ferment filtrate. That’s the liquid left over after a yeast ferments. SK-II tells the story this way: in the 1970s, scientists noticed that elderly sake brewers had younger-looking hands, and research into fermentation led to PITERA. The brand says it identified the ingredient from more than 350 kinds of yeast, that it is made only in Japan for SK-II, and that it contains over 50 micronutrients, including vitamins, minerals and amino acids.

Here’s the key point for dupe shopping: “Galactomyces Ferment Filtrate” is a standard INCI name, and lots of brands use it. SK-II’s exact strain and fermentation process are proprietary, so no other product contains PITERA itself. A dupe can, however, put galactomyces ferment filtrate first on the ingredient list at a similar concentration, in a similar thin, watery essence. That’s what we looked for. We compared ingredient lists and published percentages from brand sites, ingredient databases and major retailers. We have not tested these products ourselves.

For a broader look at where an essence fits, see our luxury skincare routine guide for beginners.

SK-II essence dupes compared

Prices are approximate US prices from brand sites and major retailers as of October 2026. Prices and stock change often, so check the current listing before you buy.

Product	Price	Size	Galactomyces content	Best for
SK-II Facial Treatment Essence (original)	Around $99	75 ml (2.5 oz)	More than 90% PITERA (brand claim)	The original
mixsoon Galactomyces Ferment Essence	Around $32 (100 ml) or $18 (30 ml)	100 ml / 30 ml	No % published; first of only two ingredients	Minimalists and sensitive skin
Ma:nyo Galac Niacin 3.0 Essence	Around $25 to $34	30 ml / 60 ml	81.9% (brand label)	Dullness and uneven tone
Some By Mi Galactomyces Glutathione Glow Milky Toner	Around $25	200 ml	86% (brand claim)	Best value per ml
Some By Mi Galactomyces Pure Vitamin C Glow Serum	Around $29	30 ml	75% (brand claim)	Brightening with vitamin C
Missha Time Revolution The First Essence	Around $39	Varies by version (check listing)	None; uses yeast ferment instead	The “first essence” ritual with a different ferment

The best SK-II essence dupes

1. mixsoon Galactomyces Ferment Essence

What it is: Korean brand mixsoon specializes in single-ingredient-focused essences. Its US store lists the Galactomyces Ferment Essence at $32 for 100 ml and $18 for a 30 ml size. The ingredient list has exactly two items: galactomyces ferment filtrate and butylene glycol.

Why it’s a good SK-II essence dupe: If what you like about SK-II is the short ingredient list, this is the purest take on the idea. There’s no added niacinamide, vitamin C or plant extracts, so it does the same job as SK-II without extras. mixsoon labels it vegan, alcohol-free and fragrance-free, with a pH of 4 to 7.

Best for: Minimalists, people with reactive skin who want as few variables as possible, and anyone who plans to layer a separate serum on top.

Downsides: mixsoon’s product page doesn’t publish a galactomyces percentage, so you can’t compare it directly with SK-II’s figure. Its marketing copy also mentions rice bran extract, which doesn’t appear in the listed ingredients, so read the label on the bottle you get. The 100 ml size was showing as sold out on mixsoon’s US store when we checked.

Check price on Amazon

2. Ma:nyo Galac Niacin 3.0 Essence

What it is: The current, upgraded version of Ma:nyo’s galactomyces essence. Ma:nyo’s US store lists a 30 ml size for around $25 and a 60 ml size for around $34 on sale; the regular prices are about $30 and $41. The ingredient label gives two percentages: galactomyces ferment filtrate at 81.9% and niacinamide at 4%.

Why it’s a good SK-II essence dupe: Galactomyces is still the base, and Ma:nyo says this version has “three times more concentrated Galactomyces” than the previous formula. It’s also more transparent about its actives than most of the products on this list. The formula adds panthenol, sodium hyaluronate, beta-glucan, ceramide NP, kojic acid and glutathione, which makes it more of a treatment essence than a straight SK-II copy.

Best for: People who want the galactomyces step and an obvious brightening focus in one product. Ma:nyo cites a brand study in which 95.4% of users said their skin looked more radiant after two weeks.

Downsides: The galactomyces share (81.9%) is lower than SK-II’s, and the longer ingredient list gives sensitive skin more to react to. Per ml, it’s also one of the pricier dupes here. Both sizes were marked sold out on Ma:nyo’s US store when we checked, so expect stock to vary.

Check price on Amazon

3. Some By Mi Galactomyces Glutathione Glow Milky Toner

What it is: A 200 ml milky toner that Some By Mi says contains 86% galactomyces ferment filtrate. Ulta lists it at $25, and it’s often on sale.

Why it’s a good SK-II essence dupe: It’s the best value per ml on this list, at roughly $0.13 per ml. You also get nearly three times the volume of the 75 ml SK-II bottle. The galactomyces share is close to the other dupes, and ingredient databases list it as free of fragrance and essential oils.

Best for: People who go through essence quickly, like to apply it with a cotton pad, or want a single toner-and-essence step.

Downsides: It’s a milky toner, not a clear, water-thin essence, so it feels different from SK-II. The formula also contains silicones and other texture ingredients that SK-II doesn’t have. If you want a like-for-like swap, mixsoon is the closer match.

Check price on Amazon

4. Some By Mi Galactomyces Pure Vitamin C Glow Serum

What it is: A 30 ml serum that Some By Mi describes as 75% galactomyces ferment filtrate with 3% pure ascorbic acid (vitamin C). Ulta lists it at $29.

Why it’s on the list: If you want SK-II’s glow claims plus a vitamin C step, this combines both in one bottle. Galactomyces is still the first ingredient.

Best for: Normal or oily skin that already tolerates vitamin C and wants to save a step in the routine.

Downsides: It’s a serum, not a splashy essence, and the galactomyces share is the lowest here. The ingredient list also includes bergamot and lavender oils, plus the fragrance components linalool and limonene, so sensitive skin should skip it or patch test first. Some By Mi’s older Galactomyces Pure Vitamin C Glow Toner (88% galactomyces) still shows up on many dupe lists, but we didn’t find it in the brand’s current Korean or Ulta lineups, so check that any listing you buy from is a legitimate, in-date product.

Check price on Amazon

5. Missha Time Revolution The First Essence

What it is: Missha’s “first essence” is often suggested as an SK-II alternative, and Ulta currently lists Time Revolution The First Essence at $39. It’s important to know that recent versions aren’t galactomyces-based. The ingredient lists we found for the current versions start with yeast ferment extract (a different, saccharomyces-type ferment), followed by niacinamide and bifida ferment lysate.

Why it’s on the list: It takes the same role in a routine: a thin, ferment-based first essence that you pat in after cleansing.

Best for: People who want a ferment essence from a widely available brand, or who want to compare a yeast ferment with galactomyces.

Downsides: It isn’t an ingredient-level dupe. Missha has also reformulated and renamed the essence several times (5X, RX, Enriched and so on), so ingredient lists and ferment-percentage claims differ between versions and regions. Check which version a listing is selling before you buy.

Check price on Amazon

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How to choose the right SK-II essence dupe

• Check the first ingredient. For a true dupe, galactomyces ferment filtrate should be listed first. If it shows up further down the list, the product has much less of it than SK-II does.
• Look for a published percentage. Some By Mi (86% and 75%) and Ma:nyo (81.9%) publish theirs. Without a number, the ingredient order is your best guide.
• Watch for fragrance. SK-II’s ingredient list doesn’t include fragrance. Of the dupes here, only the Some By Mi Vitamin C serum lists essential oils.
• Patch test. Ferment filtrates are generally well tolerated, but any new product can irritate. Try it on a small area for a few days before using it on your whole face.

If breakouts are your main concern, see our picks for luxury skincare for acne-prone skin. And if you’re weighing affordable versus luxury brands more broadly, our Drunk Elephant vs The Ordinary comparison takes the same ingredient-first approach.

Is SK-II worth it?

It depends on what you’re paying for. SK-II’s site lists the Facial Treatment Essence at $99 for 2.5 oz (75 ml), $190 for 5.4 oz, $245 for 7.7 oz and $325 for 11 oz. That’s about $1.32 per ml at the smallest size and still about $0.98 per ml at the largest. mixsoon costs about $0.32 per ml, and the Some By Mi Milky Toner about $0.13 per ml.

What you get for the premium is PITERA, SK-II’s own galactomyces ferment made exclusively in Japan, and decades of brand history behind one formula. SK-II makes specific claims for it: support for skin’s natural hyaluronic acid and natural moisturizing factors, smoother-looking texture and visible radiance over weeks of use. No published study we know of compares PITERA head to head with other galactomyces ferments, so you can’t really tell from the outside how much difference the proprietary process makes.

Our take: SK-II is worth it if you’ve used it, like it, and the price doesn’t strain your budget. If you’re curious about galactomyces and haven’t tried it, start with a dupe. To see how SK-II compares with another big-name Japanese brand, read our SK-II vs Tatcha breakdown, and for more luxury-for-less swaps see our best La Mer dupes.

FAQ

What is the closest dupe to SK-II Facial Treatment Essence?

Based on ingredient lists, mixsoon Galactomyces Ferment Essence is the closest match sold on Amazon. Galactomyces ferment filtrate is its first ingredient, it contains only two ingredients, and it has a similar thin, watery texture. If you also want brightening ingredients, choose Ma:nyo Galac Niacin 3.0.

Is PITERA the same as galactomyces ferment filtrate?

PITERA is SK-II’s trademarked name for its own galactomyces ferment filtrate, and SK-II lists it on its ingredient label as “Galactomyces Ferment Filtrate (PITERA).” Other brands use the same INCI name, but their yeast strains and fermentation processes are their own, so the filtrates aren’t identical.

When do you apply an SK-II-style essence?

SK-II recommends using its essence morning and evening, after cleansing and toning and before serums and moisturizer. Pour a few drops into your palms and press them gently into your face and neck until absorbed. The same order works for the dupes.

Can galactomyces cause breakouts?

Any skincare ingredient can clog pores or irritate some people, and how you react to galactomyces is individual. Add one new product at a time and patch test first. If you notice irritation or new breakouts, stop using it, and see a dermatologist for persistent skin concerns.

Conclusion

For most people, the best SK-II essence dupe is mixsoon Galactomyces Ferment Essence: it has the same lead ingredient, an even shorter ingredient list and roughly a quarter of the per-ml cost. Choose Ma:nyo Galac Niacin 3.0 if you want added brightening ingredients, and the Some By Mi Milky Toner if value per ml matters most. SK-II remains the only source of PITERA itself, which is worth paying for only if you already love it.