COSRX AC Collection Ultimate Spot Cream Versus COSRX AC Collection Blemish Spot Clearing Serum
Updated on June 17, 2025
Overview
What they are
These products are both cruelty-free . They have a total of 8 ingredients in common
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, parabens or sulfates
What's Inside
They both contain fragrances and oils
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
COSRX AC Collection Ultimate Spot Cream 24 ingredients
COSRX AC Collection Blemish Spot Clearing Serum 24 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
COSRX AC Collection Ultimate Spot Cream 24 ingredients
COSRX AC Collection Blemish Spot Clearing Serum 24 ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Aloe Barbadensis Leaf Water
MaskingButylene Glycol
Humectant
Helianthus Annuus Seed Oil
Emollient
Glycerin
Humectant
Zinc Oxide
Cosmetic Colorant
Cetearyl Alcohol
Emollient
Dimethyl Sulfone
Solvent
Betaine
Humectant
Polysorbate 60
Emulsifying
Elaeis Guineensis Oil
Emollient
Elaeis Guineensis Kernel Oil
Emollient
Cetearyl Olivate
Sorbitan Olivate
Emulsifying
1,2-Hexanediol
Skin Conditioning
Calamine
AbsorbentDimethicone
Emollient
Illicium Verum Fruit Extract
Perfuming
Scutellaria Baicalensis Root Extract
AstringentXanthan Gum
EmulsifyingMelaleuca Alternifolia Leaf Oil
Antioxidant
Ethyl Hexanediol
SolventAsiaticoside
Antioxidant
Asiatic Acid
Skin ConditioningMadecassic Acid
Skin Conditioning
Aloe Barbadensis Leaf Water, Butylene Glycol, Helianthus Annuus Seed Oil, Glycerin, Zinc Oxide, Cetearyl Alcohol, Dimethyl Sulfone, Betaine, Polysorbate 60, Elaeis Guineensis Oil, Elaeis Guineensis Kernel Oil, Cetearyl Olivate, Sorbitan Olivate, 1,2-Hexanediol, Calamine, Dimethicone, Illicium Verum Fruit Extract, Scutellaria Baicalensis Root Extract, Xanthan Gum, Melaleuca Alternifolia Leaf Oil, Ethyl Hexanediol, Asiaticoside, Asiatic Acid, Madecassic Acid
Propolis Extract
Skin Conditioning
Butylene Glycol
Humectant
Niacinamide
Smoothing
Panthenol
Skin Conditioning
1,2-Hexanediol
Skin Conditioning
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion StabilisingEctoin
Skin Conditioning
Ethylhexylglycerin
Skin ConditioningGlycerin
Humectant
Polyglyceryl-10 Laurate
Skin Conditioning
Polyglyceryl-10 Myristate
Skin Conditioning
Allantoin
Skin Conditioning
Sodium Hyaluronate
Humectant
Asiaticoside
Antioxidant
Asiatic Acid
Skin ConditioningMadecassic Acid
Skin Conditioning
Helianthus Annuus Seed Oil
Emollient
Macadamia Ternifolia Seed Oil
Emollient
Melaleuca Alternifolia Leaf Oil
Antioxidant
Sucrose Distearate
Emollient
Glyceryl Stearate
Emollient
Hydrogenated Lecithin
Emulsifying
Dipropylene Glycol
MaskingCeramide NP
Skin Conditioning
Propolis Extract, Butylene Glycol, Niacinamide, Panthenol, 1,2-Hexanediol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ectoin, Ethylhexylglycerin, Glycerin, Polyglyceryl-10 Laurate, Polyglyceryl-10 Myristate, Allantoin, Sodium Hyaluronate, Asiaticoside, Asiatic Acid, Madecassic Acid, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Melaleuca Alternifolia Leaf Oil, Sucrose Distearate, Glyceryl Stearate, Hydrogenated Lecithin, Dipropylene Glycol, Ceramide NP
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.Â
It is a:
- Humectant, drawing moisture into the skin
- Emollient, helping to soften skin
- Solvent, dispersing and stabilizing formulas
- Preservative booster, enhancing the antimicrobial activity of other preservativesÂ
Asiatic Acid is a major component of Centella Asiatica Extract. It has wound-healing, anti-inflammatory, and antioxidant properties.
Studies show Asiatic Acid is able to block the pathway for skin inflammation receptors, helping to soothe skin.
As an antioxidant, asiatic acid helps protect our skin against damaging environmental factors.
Learn more about Asiatic AcidAsiaticoside comes from the super popular skin-soothing ingredient, Centella asiatica. It is one of four active compounds found in the extract of Centella Asiatica.
Asiaticoside is an antioxidant and helps with wound healing. It has been shown to increase antioxidant activity during the wound healing process.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.
Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.
Learn more about Butylene GlycolGlycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinHelianthus Annuus Seed Oil is the oil derived from the seeds of a Sunflower. Sunflower seed oil is non-fragrant. It is an emollient, meaning it helps to soften the skin.
Sunflower seed oil contains many fatty acids. The fatty acids found in sunflower seeds include (from highest amount to least): linoleic acid, myristic acid, palmitic acid, stearic acid, arachidic acid, oleic acid, and linolenic acid.
These fatty acids help the skin create ceramides. Ceramides play a role in repairing the skin barrier.
Helianthus Annuus Seed Oil helps moisturize the skin. This in turn helps the skin look more rejuvenated and smoother.
Sunflowers are rich in vitamin E.
Historians believe Indigenous cultures of North America domesticated sunflowers before corn. Thus they relied on sunflower oil for a variety of uses. One such use is moisturizing skin and hair.
Sunflower seed oil may not be fungal acne safe. We recommend speaking with a professional if you have any concerns.
Learn more about Helianthus Annuus Seed OilMadecassic Acid is a major component of Centella Asiatica Extract. It has anti-inflammatory and antioxidant properties.
It is a triterpenoid, meaning it naturally acts as an antioxidant. Antioxidants protect your skin against damage from environmental factors such as pollution and UV.
Studies show Madecassic Acid helps soothe the skin due to its ability to block inflammation pathways.
Learn more about Madecassic AcidThis tea tree oil comes from the leaves of the Tea Tree plant. Tea tree oil has antioxidant, anti-inflammatory, and antimicrobial properties.
According to the book Journal of Profiles of Drug Substances, tea tree helps in reducing acne-causing bacteria such as Propionibacterium acnes. This is due to the Terpinen components of tea tree oil.
Tea tree may cause sensitivity and irritation for some people. This oil naturally contains fragrance such as linalool and limonene.
However, research shows irritation usually occurs when using pure tea tree oil and not in cosmetic products.
Tea tree oil was found to help relieve the symptoms of psoriasis in one study.
Tea tree oil is toxic when ingested. Another study showed it to caused damage to the nervous system of dogs and cats when applied to their skin or given orally.
Learn more about Melaleuca Alternifolia Leaf OilIngredient Ratings
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COSRX AC Collection Ultimate Spot Cream 24 ingredients
COSRX AC Collection Blemish Spot Clearing Serum 24 ingredients
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COSRX AC Collection Ultimate Spot Cream 24 ingredients
COSRX AC Collection Blemish Spot Clearing Serum 24 ingredients
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