COSRX The AHA 2 BHA 2 Blemish Treatment Serum vs COSRX AC Collection Ultimate Spot Cream

COSRX

COSRX

A spot treatment built around AHA and Glycolic acid, for hydration and smoothing.

A spot treatment built around Mineral sunscreen, for barrier repair and smoothing.

Spot treatment

17 ingredients

24 ingredients

Brand price

USD 23.00 · checked 25 Sept 2026 · brand's site

Brand price

USD 23.00 · 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 and Oil-free; those rows are shaded. Tap any answer to see why.

PHA1
Polyhydroxy acids — larger and milder than AHAs.
Gluconolactone
Zinc salt (sebum/soothing)1
Zinc salts, used for sebum control and soothing.
Zinc PCA
Polysorbates (Tween emulsifiers)1
Polysorbate (Tween) emulsifiers.
Polysorbate 20
AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Glycolic Acid

Mineral sunscreen1
Uses zinc oxide or titanium dioxide to absorb and scatter UV rays.
Zinc Oxide
Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.
Cetearyl Alcohol
Sunscreen1
Any ingredient acting as a UV filter.
Zinc Oxide
Centella asiatica (Cica)3
Centella asiatica (cica), used to calm irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid

Hydrating5
Boosts hydration and relieves dry, tight skin.
Dipotassium Glycyrrhizate, Gluconolactone, Propanediol, Sodium Hyaluronate, Zinc PCA
Barrier Repair2
Strengthens and restores the skin's natural barrier.
Allantoin, Caprylyl Glycol
Reduces Irritation3
Eases discomfort and supports skin resilience.
Allantoin, Dipotassium Glycyrrhizate, Zinc PCA
Redness Reducing1
Soothes visible redness and calms irritation.
Allantoin

May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Polysorbate 20

May Trigger Acne1
Can clog pores or trigger breakouts.
Cetearyl Alcohol
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Cetearyl Alcohol, Cetearyl Olivate, Elaeis Guineensis Kernel Oil, Elaeis Guineensis Oil, Helianthus Annuus Seed Oil, Polysorbate 60, Sorbitan Olivate
May Worsen Keratosis Pilaris1
May clog follicles or strip skin prone to keratosis pilaris.
Cetearyl Alcohol
May Worsen Oily Skin3
May increase shine or excess oil.
Elaeis Guineensis Kernel Oil, Elaeis Guineensis Oil, Helianthus Annuus Seed Oil

Show highlights for:

Aloe Barbadensis Leaf Water
Fragrance
Butylene Glycol
Humectant
1 / 0
- Hydrating
Helianthus Annuus Seed Oil
Emollient
0 / 0
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- Hydrating
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Glycerin
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Zinc Oxide
UV Filter
1 / 0
- Mineral sunscreen
- Sunscreen
- Reduces Irritation
- Sun Protection
Cetearyl Alcohol
Emollient
2 / 1
- Fatty alcohol
- Fatty alcohols (Malassezia)
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Dimethyl Sulfone
Viscosity Controlling
0-1 / —
Betaine
Humectant
0 / —
- Hydrating
Polysorbate 60
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Polysorbates (Tween emulsifiers)
- May Worsen Seborrheic Dermatitis
Elaeis Guineensis Oil
Emollient
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis

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 →

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