Where does this sleeping mask go in my routine?

As the final step of the evening routine, over your usual moisturizer or in place of it. Toner goes on before it, and the rest of the routine goes on after you take the sleeping mask off. If you are adding it to a routine you already like, give it a week on its own first, so what you see is the Citrus Junos Fruit Extract and not three changes at once.

Does this sleeping mask contain fragrance?

Yes. The ingredient list names Farnesol, Geraniol, Limonene and Linalool. They sit on the panel printed on this page, so you can read the position for yourself before you buy. If fragrance components are something you avoid, this sleeping mask is not the one.

What else is on the list besides Citrus Junos Fruit Extract?

Niacinamide, Adenosine and Bioflavonoids. The order they are printed in on this sleeping mask's panel is the order on the box, so you can see where Citrus Junos Fruit Extract sits relative to them. Further down the same panel: Ascorbic Acid, Thymol Trimethoxycinnamate and 3-O-Ethyl Ascorbic Acid.

HANYUL

Yuja Sleeping Pack 100ml

Name: HANYUL Yuja Sleeping Pack 100ml
Brand: HANYUL
SKU: 5172501663
Price: 65.0 USD
Availability: InStock

Yuja fruit water at 21,987.5 ppm sits sixth in this 100 ml HANYUL sleeping mask, with Betaine and Niacinamide behind it. Smoothed on as the last step at night and rinsed in the morning.

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$65.00

100 ml

$65.00 per 100 ml

Korean-market formula
Ships from California or direct from Korea
Korean barcode and batch code intact

Suited to: Dehydrated skinSensitive skinDull, uneven tone

Helps with: Shoppers looking for Citrus Junos Fruit Extract in a sleeping maskRoutines that want Citrus Junos Fruit Extract and Niacinamide in one stepFilling the sleeping mask step with a Korean-market formula

One-time purchase

$65.00

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$58.50

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Key benefits

Citrus Junos Fruit Extract, the plant extract this sleeping mask is built around
Niacinamide and Adenosine on the same list, actives
Bioflavonoids and Ascorbic Acid on the same list, antioxidants
Thymol Trimethoxycinnamate and 3-O-Ethyl Ascorbic Acid further down the same list
Beta-Carotene and Tocopherol further down the same list
Citrus Junos Fruit Extract named thirty-second on the manufacturer list printed on this page

Key actives

8Niacinamideactive

Niacinamide is vitamin B3, and it is the most studied active in Korean formulation. The panel names it eighth on this sleeping mask's list, beside Citrus Junos Fruit Extract.

All products with Niacinamide

30Adenosineactive

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. It is named thirtieth on this sleeping mask's list, alongside Citrus Junos Fruit Extract.

All products with Adenosine

32Citrus Junos Fruit Extractplant extract

Yuja fruit extract, the Korean citrus preserved as yuja tea. It carries vitamin C, fruit acids and flavonoids. The name on the box points at it, and it is named thirty-second on this sleeping mask's own ingredient list.

All products with Citrus Junos Fruit Extract

33Bioflavonoidsantioxidant

Bioflavonoids is a collective declaration for the flavonoid fraction of a plant extract, usually citrus. It names a class of plant antioxidants rather than one compound. The panel names it thirty-third on this sleeping mask's list, beside Citrus Junos Fruit Extract.

All products with Bioflavonoids

35Ascorbic Acidantioxidant

Ascorbic Acid is pure vitamin C, the most researched form and also the least stable: it needs a low pH and airtight packaging to stay active. It is an antioxidant used for the look of dullness and uneven tone. The panel names it thirty-fifth on this sleeping mask's list, beside Citrus Junos Fruit Extract.

All products with Ascorbic Acid

Inside the formula

Ingredients declared

No fragrance

on the list

8Niacinamide30Adenosine33Bioflavonoids

8Niacinamide
30Adenosine
33Bioflavonoids

Where each key active sits on the declared ingredient list, by entry number. Position is proportion: the further forward, the larger its share.

1 of 2

46 of 50 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.
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.
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.
Methyl Trimethicone silicone: Methyl Trimethicone is a light, volatile silicone chosen for a notably dry finish. It thins a formula and disperses powders evenly.
Pentaerythrityl Tetraethylhexanoate emollient: Pentaerythrityl Tetraethylhexanoate is a light ester emollient that gives a dry, silky finish and disperses pigment evenly.
Citrus Junos Fruit Water (21,987.5 ppm) plant extract: Yuja fruit water, used in place of part of the plain water in a formula. It is far more dilute than the fruit extract.
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.
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.
Alcohol Denat solvent: Alcohol Denat. is ethanol with a bitter additive that makes it undrinkable, which is a tax rule rather than a formulation choice. It behaves like alcohol: a fast-evaporating solvent that gives a weightless finish and can feel drying at higher levels.
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.
Vinyl Dimethicone/Methicone Silsesquioxane Crosspolymer silicone: A silicone elastomer powder. It changes how light falls on skin so texture looks softer, absorbs a little oil, and leaves a dry velvet finish.
Behenyl Alcohol fatty alcohol: Behenyl Alcohol is a long-chain fatty alcohol used to thicken and stabilise a cream. It gives a richer, more velvety body than cetyl alcohol.

34 more explained

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.
Jojoba Esters emollient: Jojoba Esters are jojoba wax rebuilt into a softer, meltable form. They condition skin and give body to balms without the heaviness of a butter.
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer thickener: This is the thickener behind most gel-cream textures. It builds a soft, bouncy gel that collapses to a light fluid as it is rubbed in.
Ammonium Acryloyldimethyltaurate/VP Copolymer thickener: This is a synthetic thickener that gels quickly and holds an emulsion stable across a wide pH range. It gives a light, non-tacky body.
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.
Helianthus Annuus (Sunflower) Seed Oil emollient: Sunflower Seed Oil is high in linoleic acid, the fatty acid dry and blemish-prone skin is often short of. It is a light, non-fragrant emollient and one of the better tolerated plant oils.
Limonene fragrance component: Limonene is the citrus-peel aromatic. It appears here because EU labelling requires 26 fragrance components to be named individually rather than hidden inside "fragrance", and it is one of them.
Maltodextrin film former: Maltodextrin is a starch-derived sugar chain used to carry powdered extracts and to form a light film. It also gives a soft, smoothing feel.
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.
Xanthan Gum thickener: Xanthan Gum is a polysaccharide made by fermenting sugar. It thickens a watery formula into a gel and holds the whole thing in suspension so nothing separates. Too much of it and a serum turns stringy, which is why it appears in fractions of a percent.
Glyceryl Caprylate emulsifier: Glyceryl Caprylate is a mild emulsifier that also makes a formula less hospitable to microbes, so it is often part of a preservative-free system.
Daucus Carota Sativa (Carrot) Root Extract plant extract: Carrot Root Extract carries carotenoids, which give it a strong orange colour. It is used as an antioxidant extract and can tint a formula.
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.
Sodium Metaphosphate chelator: A phosphate salt that ties up metal ions in water. It also stops the calcium and magnesium in hard water from flattening a cleanser foam.
Geraniol fragrance component: Geraniol is a rose-scented aromatic found in geranium and citronella oils. It is one of the 26 declarable fragrance components.
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.
Sorbitan Isostearate emulsifier: Sorbitan Isostearate is a mild emulsifier that holds water into oil, the direction a cleansing balm or an oil-based cream needs.
Citrus Junos Fruit Extract (262.5 ppm) plant extract: Yuja fruit extract, the Korean citrus preserved as yuja tea. It carries vitamin C, fruit acids and flavonoids.
Bioflavonoids (Vitamin P, 200 ppm) antioxidant: Bioflavonoids is a collective declaration for the flavonoid fraction of a plant extract, usually citrus. It names a class of plant antioxidants rather than one compound.
Linalool fragrance component: Linalool is a floral aromatic found in lavender, bergamot and coriander. It is one of the 26 fragrance components EU labelling requires to be declared by name.
Ascorbic Acid antioxidant: Ascorbic Acid is pure vitamin C, the most researched form and also the least stable: it needs a low pH and airtight packaging to stay active. It is an antioxidant used for the look of dullness and uneven tone.
Thymol Trimethoxycinnamate antioxidant: Thymol, the phenol from thyme, joined to a cinnamic acid ester. The ester form is oil soluble and stable, and it is used as an antioxidant.
3-O-Ethyl Ascorbic Acid antioxidant: 3-O-Ethyl Ascorbic Acid is a stable vitamin C derivative that skin converts to ascorbic acid. It survives in a formula far better than pure vitamin C and works at a gentler pH, so it suits skin that finds the pure acid uncomfortable.
Beta-Carotene antioxidant: Beta-Carotene is an orange plant pigment and a vitamin A precursor. It is used as an antioxidant and it tints a formula, which is often why it is there.
Cymbopogon Martini Oil fragrance component: Palmarosa oil, distilled from a grass related to lemongrass. It is high in geraniol and carries a rose like scent, so it is used as an aromatic oil.
Tocopherol antioxidant: Tocopherol is vitamin E. It is an oil-soluble antioxidant that protects the oils in a formula from going rancid and works on skin as an emollient, and it is regularly paired with vitamin C because each keeps the other going for longer.
Propanediol humectant: Propanediol is a plant-derived glycol used in place of propylene glycol. It hydrates, carries actives into solution, and gives a lighter, less sticky slip than glycerin at the same strength.
Melatonin antioxidant: Melatonin is the hormone the body times sleep with, and it is also a strong antioxidant. In a formula it is used as an antioxidant, which is why it appears in night products.
Citrus Junos Peel Extract (6 ppm) plant extract: Yuja peel extract. The peel is where the citrus flavonoids and aromatic oils concentrate, so it is stronger than the fruit extract.
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.
Hydrolyzed Hyaluronic Acid humectant: Hydrolyzed Hyaluronic Acid is hyaluronic acid cut into much shorter fragments. The smaller the fragment, the further into the outer layer it can settle, which is why serums stack several sizes together instead of using one.
Sodium Hyaluronate Crosspolymer humectant: Sodium Hyaluronate Crosspolymer is hyaluronic acid linked into a mesh. It holds water in a soft gel on the surface rather than sinking in, and it releases that water slowly through the day.
Hyaluronic Acid humectant: Hyaluronic Acid is a sugar chain the body already makes, and one gram of it can hold several litres of water. In a formula it is a humectant that pulls water to the surface of skin and holds it in a film, which is what makes skin look plumper while it is there.
Sodium Acetylated Hyaluronate humectant: Sodium Acetylated Hyaluronate is hyaluronic acid modified to be part oil-loving, so it clings to skin instead of rinsing away. Formulators call it the one that stays put.

How it works

The Yuja Sleeping Pack is a 100ml sleeping mask, used as the final step of the evening routine, over your usual moisturizer or in place of it. The plant extract it is built around is Citrus Junos Fruit Extract, named thirty-second on its own ingredient list. The same list carries Niacinamide, Adenosine and Bioflavonoids, so the plant extract is not the only thing on it worth naming. How much of the Citrus Junos Fruit Extract stays on the skin, and for how long, is decided by the sleeping mask format rather than by the list alone. HANYUL sells this Citrus Junos Fruit Extract sleeping mask in Korea, and this is that version.

How to use

Use this sleeping mask PM, as the last step, as the overnight leave-on mask, in place of or layered under a night cream. Pat or smooth it on rather than rubbing, and give it a moment to settle before layering the next step.

Worth knowing

Patch test this sleeping mask on a small area and wait a day before using it more widely, especially with Citrus Junos Fruit Extract on the list.
This list names Farnesol, Geraniol and Limonene, so skip it if fragrance components are something you avoid.

Complete the routine

This itemHANYUL Yuja Sleeping Pack 100ml$65.00
The treatment step of this routineHANYUL Ginkgo Leaf Pore Resurfacing Serum 40ml$52.50
An as-needed step, in place of the prep layerHANYUL Pure Aretemisia Watwery Calming Wrapping Mask Sheet 10P$32.50

Total for 3 items$150.00

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HANYUL Yuja Sleeping Pack 100ml

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HANYUL, Korean-market original

The Original Korean Formula sleeping mask from HANYUL, 100ml formulated with Citrus Junos Fruit Extract and Niacinamide, shipped from California or direct from Korea.

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 skin-care professionals say about the key actives in this formula, quoted from the medical sources linked beside each.

Using topical vitamin C can result in less cell damage and better-looking skin.
Melissa Piliang, MDDermatologist, Cleveland Clinic
Niacinamide helps reduce the appearance of pores in a few ways. By strengthening the skin barrier and improving elasticity, pores appear less noticeable and more even.
Ashlyn YankeAesthetician, Cleveland Clinic