1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Dr.Althea
Jelly Seal Dewy Mask
face sheet mask
Dr.Althea
face sheet mask
Added Last edited
Fit by skin type
General, ingredient-based — not your personalized match.
See how this fits your skin
Take the skin test and I'll show you how suitable this product is for you.
Take the skin testThe Dr.Althea Jelly Seal Dewy Mask is a hydrating sheet mask designed to deliver intense moisture while enhancing skin radiance and smoothness. Featuring a unique jelly-like essence, this mask adheres closely to the skin, helping to lock in hydration and ensure optimal absorption of active ingredients. It works to replenish moisture levels, leaving the skin feeling fresh and revitalized.
Jelly Seal Dewy Mask is a watery-light sheet mask from Dr.Althea. The formula is built mainly around hydration. The ingredient list runs to 22 ingredients, each broken down in full below.
By its ingredient list the formula reads as very light — essentially a water-and-humectant base with little emollient weight. With almost no emollient load it should absorb quickly and finish close to matte. Hydration is handled by Butylene Glycol, Diglycerin and Polyglycerin-3, humectants that pull water into the upper layers of skin rather than sealing it there.
Hydration: High. Ingredients that pull and hold water in the upper layers of skin, and here that comes from Butylene Glycol, Diglycerin, Polyglycerin-3 and Ethylhexylglycerin.
On richness alone it suits Combination (oily) and Oily skin best, and is the least natural fit for Dry, Combination (dry) and Balanced skin. Nothing in the list is flagged as a common irritant, which is a reasonable starting point for reactive skin — though a patch test is still the only way to know.
The formula contributes little or nothing on barrier support, antioxidant protection, oil control and brightening and tone. That is not a fault — most products are not meant to do everything — but if one of those is your priority, this is not the product that will address it.
Reading the full list, the formula is fragrance-free, essential-oil-free, no drying alcohol, paraben-free, silicone-free and microplastic-free. Those claims come from the ingredient list itself, not from the packaging.
It can be used morning and evening. In a routine it goes after serums. Seal in your serums with it; in the morning, sunscreen still goes on top.
This summary is generated from the product's ingredient list. It is not a review, it is not the brand's own marketing claims, and it does not replace advice from a dermatologist.
Drawn purely from the ingredient list
Scored on how rich or light the formula reads from its INCI order.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
Based on the curated benefits documented for this product's ingredients.
Attracts and locks in moisture to keep skin plump and dewy
Boosts collagen and cell turnover to reduce fine lines and wrinkles
Calms redness, irritation, and inflammation for sensitive skin
None of the ingredients in this formula are associated with these benefits. This is not unusual, as most products are designed to target a limited number of concerns.
The actives, UV filters and benefit-carrying ingredients in this formula, in the order they are listed.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
4th on the list, which puts it at an estimated 2–10% of the formula.
Oxybispropanediol
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
L-Arginine
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urea, (2,5-dioxo-4-imidazolidinyl)-
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium, salt
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sodium Acetylhyaluronate
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium salt, polymer with 1,1'-sulfonylbis[ethene]
Each axis is scored from the ingredients present and how high up the list they sit.
Ingredients that pull and hold water in the upper layers of skin
Lipids and repair signals that support skin barrier integrity
Ingredients that mop up free radicals from UV and pollution
Ingredients that moderate sebum or absorb shine
Ingredients that act on uneven tone and post-inflammatory marks
Ingredients aimed at visible redness and reactivity
Retinoids, acids and enzymes that speed surface turnover
Peptides and growth factors that signal for collagen support
"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.
Solvents, emollients, texture agents and preservatives — the formula that carries the actives.
Read from the full ingredient list. A brand's own claim may differ.
Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.
Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.
This product is the "Moisturise" step.
Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.
Most ingredients do more than one job, so these counts add up to more than the 22 ingredients on the label.
Draws water into the upper layers of skin
Changes how skin behaves rather than how it feels
Sets the thickness, spread and stability of the formula
Dissolves and carries everything else
Forms a film that slows water loss
Calms visible redness and irritation
Binds trace metals that would otherwise spoil the formula
Botanical material, usually for antioxidants or scent
Lifts oil and dirt, or holds oil and water together
Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.
1st on the list, which puts it at an estimated 30–80% of the formula.
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
2nd on the list, which puts it at an estimated 5–20% of the formula.
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
3rd on the list, which puts it at an estimated 5–20% of the formula.
4th on the list, which puts it at an estimated 2–10% of the formula.
Oxybispropanediol
5th on the list, which puts it at an estimated 2–10% of the formula.
Triglycerol
6th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
L-Arginine
8th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Urea, (2,5-dioxo-4-imidazolidinyl)-
9th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2,3-Propanetriol, homopolymer, dodecanoates (1:1) (10 mol glycerol average molar ratio)
10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
1,2-Propanediol, 3-(2-ethylhexyloxy)
11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Xanthan gum
12th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Disodium dihydrogen ethylenediaminetetraacetate
13th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium, salt
14th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, 2-hydroxy-3-(N,N,N-trimethylammonio)propyl chloride derivatives
15th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Hyaluronic Acid is the hydrolysate of Hyaluronic Acid derived by acid, enzyme or other method of hydrolysis
16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Sodium Acetylhyaluronate
17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid
18th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis
19th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, sodium salt, polymer with 1,1'-sulfonylbis[ethene]
20th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Nelumbo Nucifera Leaf Extract is the extract of the leaves of Nelumbo nucifera, Nymphaeaceae
21st on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Deoxyribonucleic acid, sodium salts
22nd on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.
Hyaluronic acid, potassium salt
Products in the same category that share this formula's distinguishing ingredients.
Anua
Shares 13 key ingredients with Jelly Seal Dewy Mask: Water, Butylene Glycol, Diglycerin, Sodium Hyaluronate, Sodium Acetylated Hyaluronate
Dr. Althea
Shares 13 key ingredients with Jelly Seal Dewy Mask: Water, Butylene Glycol, Diglycerin, Arginine, Allantoin
Medicube
Shares 12 key ingredients with Jelly Seal Dewy Mask: Water, Butylene Glycol, Arginine, Ethylhexylglycerin, Allantoin
Centellian24
Shares 12 key ingredients with Jelly Seal Dewy Mask: Water, Sodium Hyaluronate, Allantoin, Arginine, Butylene Glycol
SKIN1004
Shares 12 key ingredients with Jelly Seal Dewy Mask: Water, Butylene Glycol, Allantoin, Arginine, Ethylhexylglycerin
Medicube
Shares 12 key ingredients with Jelly Seal Dewy Mask: Water, Arginine, Butylene Glycol, Allantoin, Sodium Hyaluronate
WATER, BUTYLENE GLYCOL, 1,2-HEXANEDIOL, DIGLYCERIN, POLYGLYCERIN-3, CARBOMER, ARGININE, ALLANTOIN, POLYGLYCERYL-10 LAURATE, ETHYLHEXYLGLYCERIN, XANTHAN GUM, DISODIUM EDTA, SODIUM HYALURONATE, HYDROXYPROPYLTRIMONIUM HYALURONATE, HYDROLYZED HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE, HYALURONIC ACID, HYDROLYZED SODIUM HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER, NELUMBO NUCIFERA LEAF EXTRACT, SODIUM DNA, POTASSIUM HYALURONATE.
SODIUM HYALURONATE, HYDROLYZED HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE, HYALURONIC ACID, SODIUM HYALURONATE CROSSPOLYMER, POTASSIUM HYALURONATE.
After cleansing and toning, apply the sheet mask evenly onto the face. Leave on for 15–20 minutes. Remove and gently pat the remaining essence into the skin. Follow with moisturizer if needed.
Judged on how rich the formula reads from its ingredient list, it suits Combination (oily), Oily skin best. It is the least natural fit for Dry, Combination (dry), Balanced skin.
No ingredient in this formula carries a common-irritant flag, making it a reasonable option for reactive skin. A patch test is still recommended, as individual skin reactivity varies.
One ingredient could feed malassezia: Polyglyceryl-10 Laurate. That describes the yeast's food supply, not a prediction that it will cause a breakout.
Nothing in this formula is on the standard pregnancy-caution list. That is not medical clearance — check anything you use daily with your doctor or midwife.
Yes. Reading the full ingredient list, this formula is fragrance-free.
No. Reading the full ingredient list, this formula is no drying alcohol.
Yes. Reading the full ingredient list, this formula is silicone-free.
No. Reading the full ingredient list, this formula is essential-oil-free.
Yes. Reading the full ingredient list, this formula is paraben-free.
It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.
Use it morning and evening, after serums.
It lists 22 ingredients, of which 6 are recorded as actives.
Dr.Althea.
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