Sunday Riley Breakout Breakup vs COSRX AC Collection Calming Foam Cleanser

Sunday Riley

COSRX

A face cleanser built around Astringent and BHA, for hydration and smoothing.

A face cleanser built around BHA and Salicylic acid, for barrier repair and smoothing.

Face cleanser

35 ingredients

24 ingredients

Brand price

USD 35.00 · checked 8 Oct 2026 · brand's site

Brand price

USD 15.00 · 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, EU-allergen-free and Pore-clogger-free; those rows are shaded. Tap any answer to see why.

Astringent (witch hazel / tannin)1
Tannin-bearing astringents such as witch hazel.
Hamamelis Virginiana Leaf Extract
AHA1
Alpha hydroxy acids — water-soluble chemical exfoliants.
Citric Acid
BHA1
Beta hydroxy acid — oil-soluble, so it works inside the pore.
Salicylic Acid
Salicylic acid1
The BHA used in acne treatment.
Salicylic Acid

Centella asiatica (Cica)3
Centella asiatica (cica), used to calm irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid
BHA1
Beta hydroxy acid — oil-soluble, so it works inside the pore.
Salicylic Acid
Salicylic acid1
The BHA used in acne treatment.
Salicylic Acid

Hydrating4
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Glycerin, Hydrogenated Starch Hydrolysate, Xylitylglucoside
Barrier Repair3
Strengthens and restores the skin's natural barrier.
Caprylyl Glycol, Glycerin, Pyrus Communis Fruit Extract
Smoothing4
Refines rough or uneven texture.
Caprylyl Glycol, Citric Acid, Rubus Idaeus Fruit Extract, Salicylic Acid
Acne Fighting1
Helps clear breakouts and keep pores clear.
Salicylic Acid

Hydrating3
Boosts hydration and relieves dry, tight skin.
Glycerin, PEG-32, Stearic Acid
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Glycerin, Glyceryl Stearate, Lavandula Hybrida Oil, Oleic Acid, Palmitic Acid, Stearic Acid
Reduces Irritation3
Eases discomfort and supports skin resilience.
Asiatic Acid, Asiaticoside, Madecassic Acid
Redness Reducing3
Soothes visible redness and calms irritation.
Asiatic Acid, Asiaticoside, Madecassic Acid

May Trigger Acne6
Can clog pores or trigger breakouts.
Arachidic Acid, Lauric Acid, Myristic Acid, Oleic Acid, Palmitic Acid, Stearic Acid
May Worsen Seborrheic Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Arachidic Acid, Cocamidopropyl Betaine, Glyceryl Stearate, Lauramide DEA, Lauric Acid, Myristic Acid, Oleic Acid, Palmitic Acid, PEG-100 Stearate, Potassium Cocoate, Stearic Acid
May Worsen Keratosis Pilaris6
May clog follicles or strip skin prone to keratosis pilaris.
Arachidic Acid, Lauric Acid, Myristic Acid, Oleic Acid, Palmitic Acid, Stearic Acid
May Worsen Irritation3
May cause stinging, redness or sensitivity.
Lavandula Hybrida Oil, Limonene, Linalool

Show highlights for:

Aqua
Solvent
0 / —
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Sodium Hydroxypropylsulfonate Laurylglucoside Crosspolymer
Cleansing
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Disodium Laureth Sulfosuccinate
Cleansing
- Fatty alcohols (Malassezia)
- May Worsen Seborrheic Dermatitis
Cocamidopropyl Hydroxysultaine
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Maltooligosyl Glucoside
Skin Conditioning
PEG-120 Methyl Glucose Dioleate
Emulsifying
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Hydrogenated Starch Hydrolysate
Humectant
0-1 / —
Capryloyl Glycine
Cleansing
Cocamidopropyl Dimethylamine
Cleansing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis

Water
Skin Conditioning
Glycerin (in both products)
Humectant
0 / 0
- Possibly animal-derived
- Hydrating
Stearic Acid
Cleansing
2-3 / 0
- Fatty acids (stearic, oleic, lauric)
- Fatty alcohols (Malassezia)
- Possibly animal-derived
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Myristic Acid
Cleansing
3 / 0
- Fatty acids (stearic, oleic, lauric)
- Fatty alcohols (Malassezia)
- Possibly animal-derived
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
PEG-32
Humectant
Potassium Hydroxide
Buffering
0-1 / —
Palmitic Acid
Emollient
2 / 0
- Fatty acids (stearic, oleic, lauric)
- Possibly animal-derived
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Lauric Acid
Cleansing
4 / 1
- Fatty acids (stearic, oleic, lauric)
- Possibly animal-derived
- May Trigger Acne
- May Worsen Keratosis Pilaris
- May Worsen Seborrheic Dermatitis
Glyceryl Stearate
Emollient
1 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- Possibly animal-derived
- May Worsen Seborrheic Dermatitis
PEG-100 Stearate
Cleansing
0 / 0
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- 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.

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 →
Salicylic Acid
Anti-seborrheic, Fragrance, Hair Conditioning, Keratolytic, Preservative, Skin Conditioning
Salicylic Acid is a BHA.
Learn more about Salicylic Acid →
Sodium Chloride
Bulking, Fragrance, Oral Care, Viscosity Controlling
Sodium chloride
Learn more about Sodium Chloride →