COSRX AC Collection Blemish Care Sheet Mask vs No7 HydraLuminous+ Dual Phase Mask

COSRX

AC Collection Blemish Care Sheet Mask

No7

HydraLuminous+ Dual Phase Mask

A mask built around Niacinamide, for hydration and pollution defence.

A mask built around Niacinamide and Vitamin E, for barrier repair and smoothing.

Mask

26 ingredients

30 ingredients

Brand price

USD 6.99 · checked 25 Sept 2026 · brand's site

Brand price

USD 14.99 · checked 5 Oct 2026 · brand's site

No retailer listed yet

Brand from South Korea

Brand from United Kingdom

At a Glance

They come out differently on Fragrance-free, Paraben-free, Silicone-free, Pore-clogger-free and Oil-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Alpha arbutin1
A gentler glycosylated relative of hydroquinone.
Arbutin
Centella asiatica (Cica)3
Centella asiatica (cica), used to calm irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid
Niacinamide1
Vitamin B3 — supports the barrier and evens tone.
Niacinamide

Vitamin E1
Tocopherols — fat-soluble antioxidants.
Tocopheryl Acetate
Vitamin C derivative (stable)1
Stable derivatives of ascorbic acid.
Ascorbyl Glucoside
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Sodium Hyaluronate
Niacinamide1
Vitamin B3 — supports the barrier and evens tone.
Niacinamide

Benefits

Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Caprylic/Capric Triglyceride, Dipotassium Glycyrrhizate, Ectoin, Glycerin, Propanediol
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylic/Capric Triglyceride, Glycerin, Melaleuca Alternifolia Leaf Oil, Niacinamide
Reduces Irritation5
Eases discomfort and supports skin resilience.
Allantoin, Asiatic Acid, Asiaticoside, Dipotassium Glycyrrhizate, Madecassic Acid
Redness Reducing5
Soothes visible redness and calms irritation.
Allantoin, Asiatic Acid, Asiaticoside, Madecassic Acid, Niacinamide

Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycerin, Propylene Glycol, Sodium Hyaluronate
Barrier Repair9
Strengthens and restores the skin's natural barrier.
C12-15 Alkyl Benzoate, Glycerin, Hexyl Laurate, Isononyl Isononanoate, Niacinamide, Panax Ginseng Root Extract, Paraffinum Liquidum, Propylene Glycol, Theobroma Cacao Seed Butter
Redness Reducing1
Soothes visible redness and calms irritation.
Niacinamide
Smoothing7
Refines rough or uneven texture.
C12-15 Alkyl Benzoate, Hexyl Laurate, Isononyl Isononanoate, Niacinamide, Panax Ginseng Root Extract, Paraffinum Liquidum, Theobroma Cacao Seed Butter

Concerns

May Trigger Acne1
Can clog pores or trigger breakouts.
Hexylene Glycol
May Worsen Seborrheic Dermatitis3
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Hexylene Glycol
May Worsen Irritation1
May cause stinging, redness or sensitivity.
Melaleuca Alternifolia Leaf Oil

May Trigger Acne1
Can clog pores or trigger breakouts.
Theobroma Cacao Seed Butter
May Worsen Seborrheic Dermatitis6
May feed the yeast involved in seborrheic dermatitis.
Biosaccharide GUM-4, C12-15 Alkyl Benzoate, Cera Microcristallina, Hexyl Laurate, Polyglyceryl-4 Isostearate, Theobroma Cacao Seed Butter
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Theobroma Cacao Seed Butter
May Worsen Oily Skin3
May increase shine or excess oil.
Paraffin, Paraffinum Liquidum, Theobroma Cacao Seed Butter

Ingredients Side-by-side

Show highlights for:

Water
Skin Conditioning
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Propanediol
Viscosity Controlling
0-1 / —
- Hydrating
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Melaleuca Alternifolia Leaf Extract
Skin Conditioning
1,2-Hexanediol
Skin Conditioning
Hexylene Glycol
Cleansing
0-2 / 1
- May Trigger Acne
- May Worsen Keratosis Pilaris
Hydroxyacetophenone
Antioxidant
Hydroxyethylcellulose
Light Stabilizer
0-1 / —

Aqua
Solvent
0 / —
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
C12-15 Alkyl Benzoate
Emollient
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Butylene Glycol (in both products)
Humectant
1 / 0
- Hydrating
Isononyl Isononanoate
Emollient
Paraffinum Liquidum
Emollient
- Plant or mineral oil
- May Worsen Oily Skin
Cetyl Peg/Ppg-10/1 Dimethicone
Cleansing
0-1 / —
- Silicones
Carbomer
Gel Forming
1 / 0
Phenoxyethanol
Preservative
0 / —

Ingredients Explained

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 →
Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →