COSRX AC Collection Calming Liquid Mild vs Sulwhasoo Essential Revitalizing Water EX

COSRX

Sulwhasoo

A toner built around PHA and Panthenol, for hydration and barrier repair.

A toner built around Vitamin E, for hydration and barrier repair.

Toner

18 ingredients

46 ingredients

Brand price

USD 26.00 · checked 25 Sept 2026 · brand's site

Brand price

USD 70.00 · checked 26 Sept 2026 · brand's site

No retailer listed yet

Brand from South Korea

Brand country not recorded

At a Glance

They come out differently on EU-allergen-free and Pore-clogger-free; those rows are shaded. Tap any answer to see why.

PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone
Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Centella asiatica (Cica)3
Centella asiatica (cica), used to calm irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 60

Hydrating6
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Gluconolactone, Glycerin, Panthenol, Sodium Hyaluronate
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Allantoin, Betaine, Glycerin, Melaleuca Alternifolia Leaf Oil, Panthenol
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Asiatic Acid, Asiaticoside, Madecassic Acid, Panthenol
Redness Reducing4
Soothes visible redness and calms irritation.
Allantoin, Asiatic Acid, Asiaticoside, Madecassic Acid

May Worsen Seborrheic Dermatitis2
May feed the yeast involved in seborrheic dermatitis.
Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Melaleuca Alternifolia Leaf Oil
May Worsen Eczema1
May worsen itching or irritation for eczema-prone skin.
Melaleuca Alternifolia Leaf Oil
May Worsen Rosacea1
Can trigger flare-ups in rosacea-prone skin.
Melaleuca Alternifolia Leaf Oil

May Trigger Acne2
Can clog pores or trigger breakouts.
Sorbitan Isostearate, Tocopherol
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, PEG-60 Hydrogenated Castor Oil, Polysorbate 60, Sorbitan Isostearate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Sorbitan Isostearate, Tocopherol
May Worsen Irritation4
May cause stinging, redness or sensitivity.
Fragrance, Limonene, Linalool, Tocopherol

Show highlights for:

Camellia Sinensis Leaf Water
Perfuming
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Dimethyl Sulfone
Viscosity Controlling
0-1 / —
Betaine (in both products)
Humectant
0 / —
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Betaine Salicylate
Antimicrobial
Gluconolactone
Skin Conditioning
- PHA
- Exfoliating
- Hydrating
Polyglyceryl-10 Laurate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Polyglyceryl-10 Myristate
Skin Conditioning
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating

Water
Skin Conditioning
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Betaine (in both products)
Humectant
0 / —
- Hydrating
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Trehalose
Humectant
0-1 / —
- Hydrating
Peg/Ppg-17/6 Copolymer
Solvent
Glycereth-26
Humectant
0 / 0
PEG-60 Hydrogenated Castor Oil
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
Emulsion Stabilising
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
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)
Learn more about Butylene Glycol →
Betaine
Hair Conditioning, Humectant, Humectant
Betaine is the zwitterion (inner salt) that conforms to the formula
Learn more about Betaine →
1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →
Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →
Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →