Dr.Althea Jelly Seal Dewy Mask

Dr.Althea

Jelly Seal Dewy Mask

face sheet mask

Added Last edited

Fit by skin type

General, ingredient-based — not your personalized match.

Dry
62%
Combination (dry)
62%
Balanced
68%
Combination (oily)
98%
Oily
98%

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22
Ingredients
3
Benefits
1
Actives
Find Dupes

The 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.

Key Insights

Benefits

3
Anti-Aging
Hydration
Soothing

Active Ingredients

1
Hyaluronic acid

Risks

1
Synthetic polymer

About Jelly Seal Dewy Mask

Overview

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.

Texture and finish

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.

What the formula does

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.

Who it suits

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.

What it does not target

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.

What is not in 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.

Where it fits in a routine

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.

Pros and cons

Drawn purely from the ingredient list

Pros

  • No fragrance or declared allergens
  • No essential oils
  • No drying alcohol
  • Silicone-free
  • No microplastics
  • Strong humectant content for hydration
  • No common irritants flagged in the list

Things to know

  • One ingredient could feed malassezia (fungal acne)

Which skin types it suits

Scored on how rich or light the formula reads from its INCI order.

Suitable for

  • Combination (oily) skin
  • Oily skin

Less suitable for

  • Dry skin
  • Combination (dry) skin
  • Balanced skin

Sensitive 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.

Skin concerns

Based on the curated benefits documented for this product's ingredients.

Helps with

  • Hydration 11 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Anti-Aging 5 ingredients

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

  • Soothing 3 ingredients

    Calms redness, irritation, and inflammation for sensitive skin

Does not target

Anti-Acne Blackhead Reducing Dark Spot Fading Evens Skin Tone Oil Control Pore Minimizer Smooths Bumpy 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.

Key ingredients

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

Hydration

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)

Hydration

4th on the list, which puts it at an estimated 2–10% of the formula.

Oxybispropanediol

Hydration

7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

L-Arginine

Hydration Anti-Aging

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)-

Soothing

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)

Hydration
Sodium Hyaluronate Hyaluronic acid

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

Hydration Anti-Aging Soothing

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

Hydration

16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Sodium Acetylhyaluronate

Hydration Anti-Aging
Hyaluronic Acid Hyaluronic acid

17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Hyaluronic acid

Anti-Aging Hydration

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

Hydration

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]

Hydration Anti-Aging Soothing

Formula analysis

Each axis is scored from the ingredients present and how high up the list they sit.

Hydration High

Ingredients that pull and hold water in the upper layers of skin

Barrier support None

Lipids and repair signals that support skin barrier integrity

Antioxidant support None

Ingredients that mop up free radicals from UV and pollution

Oil control None

Ingredients that moderate sebum or absorb shine

Brightening None

Ingredients that act on uneven tone and post-inflammatory marks

Soothing Low

Ingredients aimed at visible redness and reactivity

Cell renewal None

Retinoids, acids and enzymes that speed surface turnover

Firmness signalling None

Peptides and growth factors that signal for collagen support

Active and supporting ingredients

"Active" here means an ingredient carrying a recorded active type or a recognised UV filter.

Supporting ingredients (16)

Solvents, emollients, texture agents and preservatives — the formula that carries the actives.

Water Butylene Glycol 1,2-hexanediol Diglycerin Polyglycerin-3 Carbomer Arginine Allantoin Polyglyceryl-10 Laurate Ethylhexylglycerin Xanthan Gum Disodium Edta Hydroxypropyltrimonium Hyaluronate Hydrolyzed Sodium Hyaluronate Nelumbo Nucifera Leaf Extract Sodium DNA

What is and is not in it

Read from the full ingredient list. A brand's own claim may differ.

Free from

  • Fragrance-free
  • Essential-oil-free
  • No drying alcohol
  • Paraben-free
  • Silicone-free
  • Microplastic-free
  • Sulfate-free
  • Dye-free
  • Oil-free
  • No animal-derived ingredients

What to layer it with

Judged by the same curated rules our routine checker uses. It reads the ingredients, not the label.

Compatible with

  • Vitamin C (L-ascorbic acid)
  • Retinoids (retinol, retinal)
  • AHAs (glycolic, lactic)
  • BHA (salicylic acid)
  • PHAs (gluconolactone)
  • Benzoyl peroxide
  • Azelaic acid
  • Copper peptides
  • Bakuchiol
  • Niacinamide
  • Hyaluronic acid
  • Ceramides
  • Signal peptides
  • Panthenol
  • Sunscreen

Nothing in this formula belongs to a group our rules can put in conflict, so it layers freely. Order still matters — thinnest texture first.

Where it fits in a routine

Morning Evening
  1. Cleanse
  2. Toning
  3. Treat
  4. Moisturise
  5. Protect

This product is the "Moisturise" step.

  • Seal in your serums with it; in the morning, sunscreen still goes on top.

Safety and suitability

Flags to check, not verdicts. None of this is medical advice — if you are pregnant, breastfeeding or treating a skin condition, ask a doctor.

Pregnancy and breastfeeding
Nothing in this formula is on the standard pregnancy-caution list. That is not clearance — ask your doctor about anything you use daily.
Fungal acne (malassezia)
1 ingredient could feed malassezia: Polyglyceryl-10 Laurate. That is about the yeast's food supply, not a prediction that you will break out.
Sensitive and reactive 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.
Recorded ingredient risks
Synthetic polymer

Ingredients by function

Most ingredients do more than one job, so these counts add up to more than the 22 ingredients on the label.

8
Humectant

Draws water into the upper layers of skin

6
Active

Changes how skin behaves rather than how it feels

4
Texture agent

Sets the thickness, spread and stability of the formula

3
Solvent

Dissolves and carries everything else

2
Occlusive

Forms a film that slows water loss

1
Soothing

Calms visible redness and irritation

1
Chelator

Binds trace metals that would otherwise spoil the formula

1
Plant extract

Botanical material, usually for antioxidants or scent

1
Surfactant

Lifts oil and dirt, or holds oil and water together

Ingredient breakdown

Every ingredient on the label, in order, with what it does and roughly how much of it is likely to be there.

1 Water Solvent
Estimated level
30–80%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

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

Hydration
3 scientific references
  • Skin Research and Technology, May 2015, pages 131-136
  • Skin Pharmacology and Applied Skin Physiology, November-December 1999, pages 344-351
  • Journal of Cosmetic Science, September-October 1993, pages 249-262
2 Butylene Glycol Humectant
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Texture agent, Solvent

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)

Hydration
5 scientific references
  • CosmeticsInfoorg, Accessed March 2021, ePublication
  • US Food and Drug Administration Code of Federal Regulations</em>, Accessed March 2021, ePublication
  • International Journal of Toxicology, May 2011, pages 5S-16S
  • Skin Research and Technology, November 2007, pages 417-24
  • Journal of the American College of Toxicology, September 1985, pages 223-248
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

3rd on the list, which puts it at an estimated 5–20% of the formula.

4 Diglycerin Humectant
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant

4th on the list, which puts it at an estimated 2–10% of the formula.

Oxybispropanediol

Hydration
5 Polyglycerin-3 Humectant
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant

5th on the list, which puts it at an estimated 2–10% of the formula.

Triglycerol

6 Carbomer Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent

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

Synthetic polymer
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

7th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

L-Arginine

Hydration Anti-Aging
6 scientific references
  • Biobased Surfactants (Second Edition), 2019, pages 413-445
  • Scientific Reports, February 2016, pages 1-10
  • Cosmetic Ingredient Review, October 2012, pages 1-35
  • Journal of Advanced Research, July 2010, pages 169–177
  • International Journal of Cosmetic Science, April 2005, page 139
  • Wound Repair and Regeneration, November-December 2003, pages 419-423
8 Allantoin Occlusive
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive, Soothing

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)-

Soothing
8 scientific references
  • Chemistry Series, March 2020, pages 7-21
  • Molecules, June 2019, pages 1-33
  • European Journal of Pharmacology, February 2018, pages 68-78
  • Journal of the American Academy of Dermatology, June 2017, Volume 76, Issue 2, Supplement 1
  • Pharmacognosy Review, Volume 5, July-December 2011
  • International Journal of Toxicology, May 2010, Supplement, pages 84S-97S
  • Journal of Occupational Medicine and Toxicology, October 2008, ePublication
  • https://wwwaccessdatafdagov/scripts/cdrh/cfdocs/cfcfr/CFRSearchcfm?CFRPart=347&showFR=1
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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)

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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)

Hydration
5 scientific references
  • PLoS One, October 2016, ePublication
  • Contact Dermatitis, May 2016, pages 281-288
  • International Journal of Toxicology, September 2013, pages 5S-21S
  • Personal Care, 2008, pages 1-4
  • Cosmetic Science Technology, 2006, pages 1-11
11 Xanthan Gum Surfactant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Surfactant, Texture agent

11th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Xanthan gum

12 Disodium Edta Texture agent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Texture agent, Chelator

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

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

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

Hydration Anti-Aging Soothing
5 scientific references
  • Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und Verwandte Gebiete, December 2017, pages 987-993
  • Journal of Cosmetic Dermatology, July 2014, pages 277-287
  • Journal of Clinical and Aesthetic Dermatology, October 2012, pages 20-23
  • DermatoEndocrinology, July-December 2012, pages 253-258
  • Journal of Drugs in Dermatology, September 2011, pages 990-1000
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Occlusive

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

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

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

Hydration
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

16th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Sodium Acetylhyaluronate

Hydration Anti-Aging
17 Hyaluronic Acid Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

17th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Hyaluronic acid

Anti-Aging Hydration
5 scientific references
  • Journal of Evidence-Based, Complementary and Alternative Medicine, October 2017, pages 816-823
  • Journal of Medicinal Food, October 2016, pages 1, 172-1, 179
  • Nutrition Journal, July 2013, ePublication
  • Journal of Drugs in Dermatology, 2011, issue 9, pages 990-1000
  • Journal of Clinical and Aesthetic Dermatology, March 2009, pages 38-43
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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

Hydration
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

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]

Hydration Anti-Aging Soothing
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Plant extract

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

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line

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

Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Active

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

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Frequently asked questions

What ingredients are in Jelly Seal Dewy Mask?

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.

What are the active ingredients in Jelly Seal Dewy Mask?

SODIUM HYALURONATE, HYDROLYZED HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE, HYALURONIC ACID, SODIUM HYALURONATE CROSSPOLYMER, POTASSIUM HYALURONATE.

How do I use Jelly Seal Dewy Mask?

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.

What skin types is Jelly Seal Dewy Mask good for?

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.

Is Jelly Seal Dewy Mask good for sensitive 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.

Is Jelly Seal Dewy Mask fungal acne safe?

One ingredient could feed malassezia: Polyglyceryl-10 Laurate. That describes the yeast's food supply, not a prediction that it will cause a breakout.

Can I use Jelly Seal Dewy Mask while pregnant?

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.

Is Jelly Seal Dewy Mask fragrance free?

Yes. Reading the full ingredient list, this formula is fragrance-free.

Does Jelly Seal Dewy Mask contain alcohol?

No. Reading the full ingredient list, this formula is no drying alcohol.

Is Jelly Seal Dewy Mask silicone free?

Yes. Reading the full ingredient list, this formula is silicone-free.

Does Jelly Seal Dewy Mask contain essential oils?

No. Reading the full ingredient list, this formula is essential-oil-free.

Is Jelly Seal Dewy Mask paraben free?

Yes. Reading the full ingredient list, this formula is paraben-free.

What can I layer with Jelly Seal Dewy Mask?

It layers well with Vitamin C (L-ascorbic acid), Retinoids (retinol, retinal), AHAs (glycolic, lactic), BHA (salicylic acid), PHAs (gluconolactone), Benzoyl peroxide.

When should I apply Jelly Seal Dewy Mask?

Use it morning and evening, after serums.

How many ingredients does Jelly Seal Dewy Mask have?

It lists 22 ingredients, of which 6 are recorded as actives.

Who makes Jelly Seal Dewy Mask?

Dr.Althea.

Brand
Dr.Althea

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