Rejuran Rebalancing Toner vs COSRX AC Collection Calming Liquid Mild

Rejuran

COSRX

A toner built around AHA, for hydration and barrier repair.

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

Toner

24 ingredients

18 ingredients

Brand price

USD 39.00 · checked 28 Sept 2026 · brand's site

Brand price

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

No retailer listed yet

Brand from South Korea

At a Glance

They come out differently on Pore-clogger-free; that row is shaded. Tap any answer to see why.

Ceramide1
Skin-identical lipids that hold the barrier together.
Ceramide NP
Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopherol
PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone
Centella asiatica (Cica)1
Centella asiatica (cica), used to calm irritation.
Centella Asiatica Extract

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

Hydrating9
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Ceramide NP, Ficus Carica Fruit Extract, Gluconolactone, Glycerin, Propanediol, Tocopherol, Trehalose
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Betaine, Centella Asiatica Extract, Ceramide NP, Glycerin, Tocopherol
Reduces Irritation1
Eases discomfort and supports skin resilience.
Centella Asiatica Extract
Redness Reducing1
Soothes visible redness and calms irritation.
Centella Asiatica Extract

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 Trigger Acne1
Can clog pores or trigger breakouts.
Tocopherol
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Biosaccharide GUM-4, C12-14 Alketh-12, Ceramide NP, Hydrogenated Lecithin
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Tocopherol
May Worsen Irritation2
May cause stinging, redness or sensitivity.
Fragrance, Tocopherol

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

Show highlights for:

Water
Skin Conditioning
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Trehalose
Humectant
0-1 / —
- Hydrating
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Betaine (in both products)
Humectant
0 / —
- Hydrating
C12-14 Alketh-12
Emulsifying
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Melaleuca Alternifolia Leaf Extract
Skin Conditioning
Portulaca Oleracea Extract
Skin Conditioning

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 (in both products)
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

These ingredients are found in both products.

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

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 →
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 →
Gluconolactone
Chelating, Skin Conditioning
Gluconolactone is a PHA.
Learn more about Gluconolactone →