COSRX The Ceramide Skin Barrier Moisturizer vs COSRX The Alpha-Arbutin 2 Discoloration Care Serum

Only 20% overlap — quite different formulas

Ingredient Breakdown

Only in COSRX The (34)

arachidyl-alcohol
arachidyl-glucoside
behenyl-alcohol
Betaine
C: 0/5I: 0/5humectant
butylene-glycol-dicaprylate-dicaprate
c12-20-alkyl-glucoside
c14-22-alcohols
caprylyl-glycol
Carbomer
C: 0/5I: 0/5other
Ceramide AP
C: 0/5I: 0/5ceramide
ceramide-as
Ceramide EOP
C: 0/5I: 0/5ceramide
Ceramide NP
C: 0/5I: 0/5ceramide
ceramide-ns
Cetearyl Alcohol
C: 2/5I: 0/5emollient
cetyl-ethylhexanoate
Cholesterol
C: 0/5I: 0/5ceramide
Dicaprylyl Carbonate
C: 0/5I: 0/5emollient
dimethiconol
ethylhexyl-palmitate
Glyceryl Caprylate
C: 0/5I: 0/5surfactant
hydrogenated-polyisobutene
hydroxypropyl-bislauramide-mea
hydroxypropyl-bispalmitamide-mea
Palmitic Acid
C: 2/5I: 0/5fatty acid
pentaerythrityl-tetraisostearate
Phytosphingosine
C: 0/5I: 0/5ceramide
polyacrylate-13
polyglyceryl-10-laurate
sorbitan-isostearate
Squalane
C: 1/5I: 0/5emollient
Stearic Acid
C: 2/5I: 0/5fatty acid
tromethamine
Water (Aqua)
C: 0/5I: 0/5other

Shared (15)

1-2-hexanediol
Allantoin
C: 0/5I: 0/5humectant
Butylene Glycol
C: 1/5I: 1/5humectant
Dimethicone
C: 1/5I: 0/5silicone
Ethylhexylglycerin
C: 0/5I: 1/5preservative
Glycerin
C: 0/5I: 0/5humectant
Hyaluronic Acid
C: 0/5I: 0/5humectant
hydrogenated-lecithin
hydrolyzed-hyaluronic-acid
Panthenol (Vitamin B5)
C: 0/5I: 0/5humectant
Propanediol
C: 0/5I: 0/5humectant
sodium-acetylated-hyaluronate
Sodium Hyaluronate
C: 0/5I: 0/5humectant
sodium-hyaluronate-crosspolymer
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant

Only in COSRX The (25)

acetyl-glucosamine
alcohol
Alpha Arbutin
C: 0/5I: 1/5brightener
Aqua (Water)
C: 0/5I: 0/5other
Aqua/Water/Eau
C: 0/5I: 0/5other
Arginine
C: 0/5I: 0/5amino acid
Citric Acid
C: 0/5I: 2/5aha
dextrin
diethoxyethyl-succinate
dimethyl-isosorbide
Disodium EDTA
C: 0/5I: 0/5other
Ferulic Acid
C: 0/5I: 1/5antioxidant
glutathione
glycyrrhiza-glabra-root-extract
madecassoside
methyl-trimethicone
Niacinamide
C: 0/5I: 1/5antioxidant
sodium-citrate
sodium-metabisulfite
sodium-methyl-stearoyl-taurate
sodium-polyacryloyldimethyl-taurate
sodium-pyrosulfite
theobroma-cacao-extract
Tranexamic Acid
C: 0/5I: 1/5brightener
Xanthan Gum
C: 0/5I: 0/5other

When Used Together

SynergyGlycerin + Hyaluronic Acid

Hyaluronic acid and glycerin together provide multi-weight hydration for plump, supple skin.

SynergyHyaluronic Acid + Niacinamide

Niacinamide enhances hyaluronic acid hydration. Excellent combo for all skin types.

SynergyFerulic Acid + Niacinamide

[Class rule] Antioxidants work synergistically — combining multiple provides broader protection.

SynergyGlycerin + Squalane

[Class rule] Humectants pull moisture in, emollients lock it down. Classic hydration layering.

Add both products to your routine and check full compatibility