Rejuran Pore Tightening Toner Pad vs COSRX AC Collection Calming Liquid Mild

Rejuran

COSRX

A toner built around Niacinamide and BHA, for barrier repair and smoothing.

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

Toner

40 ingredients

18 ingredients

Brand price

USD 29.00 · 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 Fragrance-free, Silicone-free, Pore-clogger-free and Oil-free; those rows are shaded. Tap any answer to see why.

Vitamin E2
Tocopherols — fat-soluble antioxidants.
Tocopherol, Tocopheryl Acetate
PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone
AHA2
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid, Lactic Acid
BHA1
Beta hydroxy acid — oil-soluble, so it works inside the pore.
Salicylic Acid

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

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 Acne2
Can clog pores or trigger breakouts.
Diethylhexyl Succinate, Tocopherol
May Worsen Seborrheic Dermatitis4
May feed the yeast involved in seborrheic dermatitis.
Daucus Carota Sativa Seed Oil, Helianthus Annuus Seed Oil, Polyglyceryl-10 Laurate, Vitis Vinifera Seed Oil
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Diethylhexyl Succinate, Tocopherol
May Worsen Oily Skin3
May increase shine or excess oil.
Daucus Carota Sativa Seed Oil, Helianthus Annuus Seed Oil, Vitis Vinifera Seed Oil

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
Dipropylene Glycol
Perfuming
0-1 / —
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Niacinamide
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Aloe Barbadensis Leaf Juice
Skin Conditioning
- Hydrating
- Reduces Irritation
Calendula Officinalis Flower Extract
Skin Conditioning
Cornus Officinalis Fruit Extract
Skin Conditioning
Houttuynia Cordata Extract
Skin Conditioning
Hydroxyacetophenone
Antioxidant

Camellia Sinensis Leaf Water
Perfuming
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Dimethyl Sulfone
Viscosity Controlling
0-1 / —
Betaine
Humectant
0 / —
- Hydrating
1,2-Hexanediol (in both products)
Skin Conditioning
Betaine Salicylate (in both products)
Antimicrobial
Gluconolactone (in both products)
Skin Conditioning
- PHA
- Exfoliating
- Hydrating
Polyglyceryl-10 Laurate (in both products)
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.

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 →
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 →
Polyglyceryl-10 Laurate
Skin Conditioning, Emulsifying
Polyglyceryl-10 Laurate isn't fungal acne safe.
Learn more about Polyglyceryl-10 Laurate →
Gluconolactone
Chelating, Skin Conditioning
Gluconolactone is a PHA.
Learn more about Gluconolactone →
1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →
Betaine Salicylate
Antimicrobial, Keratolytic
Betaine Salycilate is the product formed by the reaction of Betaine with Salycilic Acid
Learn more about Betaine Salicylate →