Sungboon Editor
Deep Collagen CICA Teatree Soothing Mask$11.76innisfree
Idebenone Active Mask 25ml X 5ea
innisfree's Idebenone Active Mask is a five-pack of single-use sheet masks, left on cleansed skin for roughly fifteen to twenty minutes as a weekly at-home treatment rather than a daily step.
No reviews yet- Korean-market formula
- Ships from California or direct from Korea
- Korean barcode and batch code intact
- Suited to
- normalcombinationdry
- Helps with
- a weekly at-home treatmentsealing in a concentrated dosea step in place of serum that session
In stock. Arrives in 3 to 7 business days
We accept
You’re $100.00 away from free US shipping.
- 30-day returns
- Free US shipping on orders of $100 or more
- Tracked delivery to your door
How it works
Idebenone Active Mask X is a sheet mask, individually packaged and pre-soaked in a treatment liquid. The sheet holds the liquid against the skin for the full time it is left on, rather than letting it evaporate the way a hand-applied serum does. It is used as a once or twice-weekly treatment step, in place of a serum for that session. Once removed, any leftover liquid on the face is patted in rather than rinsed away. It is followed by a moisturizer to seal in what the mask left behind.
Key benefits
- What it is: a mask from innisfree, for the weekly treatment step.
- Format: a mask used once or twice a week.
- Fits into the routine: holds a concentrated dose of its formula against the skin for the length of one sitting.
- Original Korean Formula: the version sold on Korean shelves, not a US reformulation.
Inside the formula
Inside the formula
How long do I leave Idebenone Active Mask X on?
Ten to twenty minutes is the usual range for a sheet mask; take it off before it starts to dry out at the edges. That holds true whichever size or variant of this product you buy, so the same placement in a routine and the same answer apply across the line.
Do I rinse my face after?
No, pat the leftover essence into the skin rather than rinsing it off, then continue with your moisturizer. That holds true whichever size or variant of this product you buy, so the same placement in a routine and the same answer apply across the line.
How often should I use it?
Once or twice a week as a treatment boost works well alongside a regular daily routine. That holds true whichever size or variant of this product you buy, so the same placement in a routine and the same answer apply across the line.
What comes before the mask?
Cleanse and tone first, the same as before applying a serum, since the mask is used in that step's place for the session. That holds true whichever size or variant of this product you buy, so the same placement in a routine and the same answer apply across the line.
How many sheets are in the box?
Check the count on the product page; this line is sold as individually packaged sheets. That holds true whichever size or variant of this product you buy, so the same placement in a routine and the same answer apply across the line.
Not on the ingredient list below: fragrance or parfum, denatured or SD alcohol, essential oils, silicones, parabens, sulfate surfactants, mineral oil or petrolatum and added color.
Full INCI (23): Water, Glycerin, Dipropylene Glycol, Butylene Glycol, Niacinamide, 1,2-Hexanediol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Betaine, Panthenol, Ethylhexylglycerin, Carbomer, Adenosine, Glyceryl Acrylate/Acrylic Acid Copolymer, Sodium Hyaluronate, PVM/MA Copolymer, Sodium Phytate, Dipotassium Glycyrrhizate, Hydrolyzed Extensin, Hydrogenated Lecithin, Hydroxydecyl Ubiquinone, Argania Spinosa Kernel Oil, Yeast Extract
Ingredient list read from innisfree.com on 13 September 2026.
23 of 23 explained
- Water solvent
- Water is the base almost every serum, toner and cream is built on. It dissolves the water-loving ingredients and sets how light the finished texture feels. On an INCI list it is usually first, which only means it is the largest single ingredient by weight.
- Glycerin humectant
- Glycerin is the most used humectant in skincare. It draws water into the outer layer of skin and holds it there, and it is one of the very few ingredients whose hydrating effect is settled science rather than marketing. Higher amounts feel tacky, which is why it is usually blended.
- Dipropylene Glycol humectant
- Dipropylene Glycol is a glycol used as a solvent and a light humectant. Its main job is keeping the rest of the formula dissolved and the texture fluid rather than adding hydration of its own.
- Butylene Glycol humectant
- Butylene Glycol is a small glycol that does two jobs at once: it holds water in the top layer of skin and it dissolves plant extracts and actives that plain water cannot. It also thins a formula, which is why watery Korean essences lean on it.
- Niacinamide active
- Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. It is used at roughly 2 to 5 percent for the look of uneven tone and visible pores, and it is water soluble, stable and comfortable beside almost every other active, which is why it turns up in so many lists.
- 1,2-Hexanediol humectant
- 1,2-Hexanediol is a glycol used for two reasons: it holds water like glycerin, and it makes a formula harder for microbes to live in, so less traditional preservative is needed. Korean formulas use it heavily for that second reason.
- Acrylates/C10-30 Alkyl Acrylate Crosspolymer thickener
- This is a carbomer relative with fatty side chains, so it thickens and stabilises an emulsion at the same time. It gives a light gel-cream body rather than a heavy one.
- Tromethamine pH adjuster
- Tromethamine neutralises acidic thickeners such as carbomer so they gel, and holds a formula near skin-friendly pH. It is used at a fraction of a percent.
- Betaine humectant
- Betaine is a sugar-beet-derived humectant that cells use to hold water. In a formula it hydrates and takes the edge off cleansers and acids, which is why it often appears alongside them.
- Panthenol humectant
- Panthenol is pro-vitamin B5: skin converts it to pantothenic acid. It is a humectant that holds water and leaves skin feeling soft and less tight, and it is one of the ingredients formulators reach for when a formula also contains something harsh.
- Ethylhexylglycerin preservative booster
- Ethylhexylglycerin softens skin and boosts a preservative system, which is why it is nearly always sitting beside phenoxyethanol or 1,2-hexanediol. It also cuts down the odour bacteria produce, so it turns up in deodorising products.
- Carbomer thickener
- Carbomer is a synthetic polymer that only gels once a base neutralises it, which is why arginine or tromethamine sits nearby on the list. It gives the clear, non-stringy gel texture a xanthan formula cannot reach.
11 more explained
- Adenosine active
- Adenosine is a nucleoside that Korea's own cosmetic authority recognises as a wrinkle-care functional ingredient, which is why it appears on so many Korean lists at a low level. It is used for the look of fine lines and is stable and well tolerated.
- Glyceryl Acrylate/Acrylic Acid Copolymer film former
- This is a polymer that forms a moisture-holding film on the surface, usually supplied with glycerin and propylene glycol as a hydrating complex.
- Sodium Hyaluronate humectant
- Sodium Hyaluronate is the salt of hyaluronic acid, and it is what most products labelled hyaluronic actually contain. The salt dissolves more readily and the molecule is smaller, so it sits in the outer layer of skin rather than only on top of it.
- PVM/MA Copolymer film former
- PVM/MA Copolymer is a film-forming polymer used to hold a formula in place and, in a mask, to give the peel-off film its strength.
- Sodium Phytate chelator
- Sodium Phytate is a rice-derived chelator used in place of EDTA. It ties up trace metals so the formula stays stable and its colour and scent hold.
- Dipotassium Glycyrrhizate active
- Dipotassium Glycyrrhizate is a water-soluble salt derived from licorice root. It is the licorice fraction Korean formulas use for the look of redness, and it is far more stable in water than the whole extract.
- Hydrolyzed Extensin protein
- Extensin is a structural glycoprotein from plant cell walls. Hydrolysed, it is cut into fragments small enough to dissolve, and it works as a water-holding film on the surface.
- Hydrogenated Lecithin emulsifier
- Hydrogenated Lecithin is lecithin with its unsaturated bonds filled in, which makes it far more stable. It emulsifies and is the standard shell for the liposomes that carry actives into the outer layer of skin.
- Hydroxydecyl Ubiquinone antioxidant
- Hydroxydecyl Ubiquinone is idebenone, a synthetic relative of coenzyme Q10 made to be more stable and more soluble than the natural molecule.
- Argania Spinosa Kernel Oil emollient
- Argan Oil is pressed from the argan kernel and is rich in oleic and linoleic acids plus vitamin E. It is a medium-weight emollient that absorbs reasonably fast.
- Yeast Extract ferment
- The soluble contents of yeast cells, carrying amino acids, peptides, sugars and B vitamins. It is used as a conditioning ingredient and as a source of beta glucan.
- Market
- Korean market, the version sold in Korea
- EAN (barcode)
- 8809843677385
- Made in
- Republic of Korea
- Category
- Mask
- Actives
- Adenosine, Licorice Root, Niacinamide, Panthenol, Sodium Hyaluronate
- Ships from
- California or Korea
Orders ship from California or direct from Korea with tracked delivery to your door, and both routes carry the same Korean-market release. Shipping is free on orders of $100 or more. Returns are accepted for 30 days, by mail.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Barcode
Listed against the Korean barcode on its box - 3California or Korea
Ships to you from either, as the same Korean-market release
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name. The barcode in the specification above is the Korean-market one and it is printed on the box you receive.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Every order ships from California or direct from Korea, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
How to use
- After cleansing and toner, unfold the sheet and smooth it onto the face, pressing out air bubbles. Leave it on for ten to twenty minutes, then remove it and pat the remaining liquid into the skin before your moisturizer.
Worth knowing
- Do not rinse the leftover liquid off; pat it in instead of washing it away.
- Leave it on for the stated time rather than longer, since an over-long sheet mask can start pulling moisture back from the skin.
Complete the routine
- This iteminnisfree Idebenone Active Mask 25ml X 5ea$30.00

- From the same Korean-market lineinnisfree My Hair Recipe Strength Shampoo 330ml$17.50

- The treatment step of this routineinnisfree My Hair Recipe Strength Tonic Essence 100ml$15.00

Total for 3 items$62.50
Reviews
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innisfree Idebenone Active Mask 25ml X 5ea
How it felt, how your skin took it, what you layer it with. Straight answers help the next person choose.
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innisfree, Korean-market original
Idebenone Active Mask 25ml X 5ea from innisfree: a mask in the Original Korean Formula, not the US-shelf version.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about skin care, quoted from the medical sources linked beside each.
Your skin barrier is basically your outer layer of the skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic Pretty much every step of a Korean skin care routine is going to have some component of hydration.
Alok Vij, MDDermatologist, Cleveland Clinic
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