SkinCeuticals LHA Toner vs COSRX AC Collection Calming Liquid Mild

SkinCeuticals

COSRX

A toner built around AHA and Glycolic acid, for smoothing and controlling oil.

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

Toner

6 ingredients

18 ingredients

Brand price

USD 44.00 · checked 28 Sept 2026 · brand's site

Brand price

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

No retailer listed yet

Brand country not recorded

Brand from South Korea

At a Glance

They come out differently on Fragrance-free, Alcohol-free and Fungal-acne-safe; those rows are shaded. Tap any answer to see why.

AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Glycolic Acid
BHA1
Beta hydroxy acid — oil-soluble, so it works inside the pore.
Salicylic Acid
Glycolic acid1
The smallest AHA, and so the most penetrating.
Glycolic Acid
Salicylic acid1
The BHA used in acne treatment.
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 Worsen Irritation1
May cause stinging, redness or sensitivity.
Alcohol Denat.
May Worsen Eczema1
May worsen itching or irritation for eczema-prone skin.
Alcohol Denat.
May Worsen Rosacea1
Can trigger flare-ups in rosacea-prone skin.
Alcohol Denat.
May Worsen Dryness1
Can strip moisture and worsen dryness.
Alcohol Denat.

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:

Camellia Sinensis Leaf Water
Perfuming
Butylene Glycol
Humectant
1 / 0
- Hydrating
Dimethyl Sulfone
Viscosity Controlling
0-1 / —
Betaine
Humectant
0 / —
- Hydrating
1,2-Hexanediol
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
Humectant
0 / 0
- Possibly animal-derived
- Hydrating

Each product against its closest dupes.