COSRX Hydrium Watery Toner

COSRX

Hydrium Watery Toner

face toner

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Fit by skin type

General, ingredient-based — not your personalized match.

Dry
71%
Combination (dry)
71%
Balanced
56%
Combination (oily)
85%
Oily
85%

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13
Ingredients
3
Benefits
2
Actives
Find Dupes

Discover the moisturizing and hydrating power of the COSRX Hydrium Watery Toner. This moisturizing toner is formulated to provide long-lasting hydration and leave skin feeling soft, smooth, and refreshed. Enriched with multiple forms of Hyaluronic Acid, it helps attract and retain moisture for deeply hydrated skin. Panthenol (Vitamin B5) helps support the skin’s moisture barrier, while Allantoin helps soothe and comfort the skin. With its lightweight, watery texture, this hydrating toner is ideal for replenishing moisture and preparing the skin for the rest of your skincare routine.

Key Insights

Benefits

3
Anti-Aging
Hydration
Soothing

Active Ingredients

2
Hyaluronic acid Vitamin B5 (panthenol)

Full Ingredients

13 total
AQUA BUTYLENE GLYCOL GLYCERIN 1,2-HEXANEDIOL ALLANTOIN ETHYLHEXYLGLYCERIN HYALURONIC ACID Hyaluronic acid HYDROLYZED HYALURONIC ACID Hyaluronic acid HYDROLYZED SODIUM HYALURONATE PANTHENOL Vitamin B5 (panthenol) PENTYLENE GLYCOL SODIUM HYALURONATE Hyaluronic acid SODIUM HYALURONATE CROSSPOLYMER Hyaluronic acid

About Hydrium Watery Toner

Overview

Hydrium Watery Toner is a watery-light toner from COSRX, a brand based in Korea. The formula is built mainly around hydration. The ingredient list runs to 13 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, Glycerin and Ethylhexylglycerin, 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, Glycerin, Ethylhexylglycerin and Hyaluronic Acid.

Soothing: Moderate. Ingredients aimed at visible redness and reactivity, and here that comes from Allantoin, Panthenol, Sodium Hyaluronate and Sodium Hyaluronate Crosspolymer.

Who it suits

On richness alone it suits Combination (oily) and Oily skin best, and is the least natural fit for 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 cleansing, before serums. Apply to slightly damp skin so the humectants have water to hold on to.

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
  • No recognised malassezia (fungal acne) triggers

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

May suit

  • Dry skin
  • Combination (dry) skin

Less suitable for

  • 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 10 ingredients

    Attracts and locks in moisture to keep skin plump and dewy

  • Anti-Aging 4 ingredients

    Boosts collagen and cell turnover to reduce fine lines and wrinkles

  • Soothing 4 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.

Butylene Glycol

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
Glycerin

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

Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane

Hydration Anti-Aging
Allantoin

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

Urea, (2,5-dioxo-4-imidazolidinyl)-

Soothing
Ethylhexylglycerin

6th 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
Hyaluronic Acid Hyaluronic acid

7th 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
Hydrolyzed Hyaluronic Acid Hyaluronic acid

8th 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
Hydrolyzed Sodium Hyaluronate

9th 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
Panthenol Vitamin B5 (panthenol)

10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (2R)-; dl-Panthenol

Hydration Soothing
Pentylene Glycol

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

1,2-Dihydroxypentane

Hydration
Sodium Hyaluronate Hyaluronic acid

12th 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
Sodium Hyaluronate Crosspolymer 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, 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 Moderate

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.

Active ingredients (5)

Supporting ingredients (8)

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

Aqua Butylene Glycol Glycerin 1,2-hexanediol Allantoin Ethylhexylglycerin Hydrolyzed Sodium Hyaluronate Pentylene Glycol

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 "Toning" step.

  • Apply to slightly damp skin so the humectants have water to hold on to.

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)
No ingredient here is a recognised food source for malassezia.
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.

Ingredients by function

Most ingredients do more than one job, so these counts add up to more than the 13 ingredients on the label.

6
Humectant

Draws water into the upper layers of skin

5
Active

Changes how skin behaves rather than how it feels

5
Solvent

Dissolves and carries everything else

2
Occlusive

Forms a film that slows water loss

2
Texture agent

Sets the thickness, spread and stability of the formula

1
Soothing

Calms visible redness and irritation

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 Aqua 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.

Water

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
3 Glycerin Humectant
Estimated level
5–20%
Confidence
Moderate — INCI order above the 1% line
Roles
Humectant, Occlusive, Texture agent, Solvent

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

Glycerine ;Glycerol (INN); Glycerol (RIFM); Glycerolum (EP); Glycyl Alcohol; 1,2,3-Propanetriol; 1,2,3-Trihydroxypropane

Hydration Anti-Aging
6 scientific references
  • Journal of Pharmaceutical Investigation, March 2021, pages 223-231
  • International Journal of Toxicology, November/December 2019, Volume 38, Supplement 3, pages 6S-22S
  • International Journal of Cosmetic Science, August 2016, ePublication
  • British Journal of Dermatology, July 2008, pages 23-34
  • Journal of Cosmetic Dermatology, June 2007, pages 75-82
  • Proceedings of the National Academy of Sciences, June 2003, pages 7, 360-7, 365
4 1,2-hexanediol Solvent
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Solvent

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

5 Allantoin Occlusive
Estimated level
2–10%
Confidence
Moderate — INCI order above the 1% line
Roles
Occlusive, Soothing

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

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

6th 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
7 Hyaluronic Acid Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

7th 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
8 Hydrolyzed Hyaluronic Acid Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

8th 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
9 Hydrolyzed Sodium Hyaluronate
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.

Hydrolyzed Sodium Hyaluronate is the hydrolysate of Sodium Hyaluronate derived by acid, enzyme or other method of hydrolysis

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

10th on the list, below the 1% line — present at under 1%, which for most ingredients is the level they work at.

Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (2R)-; dl-Panthenol

Hydration Soothing
7 scientific references
  • The Linus Pauling Institute, Oregon State University, Accessed April 2021, ePublication
  • International Journal of Cosmetic Science, December 2019, pages 534-547
  • Journal of Cosmetic Dermatology, January 2019, pages 346-354
  • Cosmetic Ingredient Review, March 2018, pages 1-51
  • The Journal of Dermatological Treatment, August 2017, pages 173-180
  • Journal of Cosmetic Science, August 2011, pages 361-370
  • American Journal of Clinical Dermatology, Volume 3, 2002, pages 427-433
11 Pentylene Glycol Solvent
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Solvent

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

1,2-Dihydroxypentane

Hydration
4 scientific references
  • https://thedermreviewcom/pentylene-glycol/
  • Regulatory Toxicology and Pharmacology, July 2017, pages 106-111
  • Prospector, June 2015, ePublication
  • International Journal of Toxicology, October 2012, pages 147S-168S
12 Sodium Hyaluronate Humectant
Estimated level
under 1%
Confidence
Moderate — listed below the 1% line
Roles
Humectant, Active

12th 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
13 Sodium Hyaluronate Crosspolymer Humectant
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, polymer with 1,1'-sulfonylbis[ethene]

Hydration Anti-Aging Soothing

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Frequently asked questions

What ingredients are in Hydrium Watery Toner?

AQUA, BUTYLENE GLYCOL, GLYCERIN, 1,2-HEXANEDIOL, ALLANTOIN, ETHYLHEXYLGLYCERIN, HYALURONIC ACID, HYDROLYZED HYALURONIC ACID, HYDROLYZED SODIUM HYALURONATE, PANTHENOL, PENTYLENE GLYCOL, SODIUM HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER.

What are the active ingredients in Hydrium Watery Toner?

HYALURONIC ACID, HYDROLYZED HYALURONIC ACID, PANTHENOL, SODIUM HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER.

How do I use Hydrium Watery Toner?

Apply an appropriate amount onto a cotton pad. Apply whilst gently following the lines of your skin. Turn the cotton pad over and gently pat the absorb the contents

What skin types is Hydrium Watery Toner 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 Balanced skin.

Is Hydrium Watery Toner 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 Hydrium Watery Toner fungal acne safe?

No ingredient in this formula is a recognised food source for malassezia, the yeast behind fungal acne.

Can I use Hydrium Watery Toner 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 Hydrium Watery Toner fragrance free?

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

Does Hydrium Watery Toner contain alcohol?

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

Is Hydrium Watery Toner silicone free?

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

Does Hydrium Watery Toner contain essential oils?

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

Is Hydrium Watery Toner paraben free?

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

What can I layer with Hydrium Watery Toner?

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 Hydrium Watery Toner?

Use it morning and evening, after cleansing, before serums.

How many ingredients does Hydrium Watery Toner have?

It lists 13 ingredients, of which 5 are recorded as actives.

Who makes Hydrium Watery Toner?

COSRX, a brand based in Korea.

Brand
COSRX
Country
Korea
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