Rejuran Rebalancing Toner vs COSRX AC Collection Calming Liquid Intensive

Rejuran

COSRX

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

A toner built around Centella asiatica and Panthenol, for hydration and soothing irritation.

Toner

24 ingredients

27 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 Alcohol-free and Pore-clogger-free; those rows are 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

Panthenol (provitamin B5)1
Provitamin B5 — a humectant and soother.
Panthenol
Zinc salt (sebum/soothing)1
Zinc salts, used for sebum control and soothing.
Zinc PCA
Centella asiatica (Cica)3
Centella asiatica (cica), used to calm irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid
Polysorbates (Tween emulsifiers)2
Polysorbate (Tween) emulsifiers.
Polysorbate 20, Polysorbate 60

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

Hydrating7
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Lactic Acid, Panthenol, Sodium Hyaluronate, Sodium Lactate, Zinc PCA
Barrier Repair4
Strengthens and restores the skin's natural barrier.
Allantoin, Betaine, Melaleuca Alternifolia Leaf Oil, Panthenol
Reduces Irritation6
Eases discomfort and supports skin resilience.
Allantoin, Asiatic Acid, Asiaticoside, Madecassic Acid, Panthenol, Zinc PCA
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 Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Polysorbate 20, Polysorbate 60, Propolis Extract
May Worsen Irritation2
May cause stinging, redness or sensitivity.
Alcohol, Melaleuca Alternifolia Leaf Oil
May Worsen Eczema2
May worsen itching or irritation for eczema-prone skin.
Alcohol, Melaleuca Alternifolia Leaf Oil
May Worsen Rosacea2
Can trigger flare-ups in rosacea-prone skin.
Alcohol, Melaleuca Alternifolia Leaf Oil

Show highlights for:

Water (in both products)
Skin Conditioning
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Glycerin
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

Propolis Extract
Skin Conditioning
- Animal-derived
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Ethyl Hexanediol
Solvent
0 / —
Asiaticoside
Antioxidant
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation
Asiatic Acid
Skin Conditioning
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation
Madecassic Acid
Skin Conditioning
- Centella asiatica (Cica)
- Redness Reducing
- Reduces Irritation
Cassia Obtusifolia Seed Extract
Skin Conditioning
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning

These ingredients are found in both products.

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

Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →
1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →
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 →