C-Firma Fresh Vitamin-C Day Serum vs COSRX The Alpha-Arbutin 2 Discoloration Care Serum
14%Match
Only 14% overlap — quite different formulas
Ingredient Breakdown
Only in C-Firma Fresh (24)
Ascorbic Acid (Vitamin C)
C: 0/5I: 2/5antioxidant
camellia-sinensis-leaf-extract
caprylhydroxamic-acid
caprylyl-glycol
chondrus-crispus-extract
dipotassium-glycyrrhizate
gluconolactone
glutamylamidoethyl-imidazole
lactobacillus-pumpkin-ferment-extract
lactobacillus-punica-granatum-fruit-ferment-extract
laureth-23
leuconostoc-radish-root-ferment-filtrate
oryza-sativa-bran-extract
Pentylene Glycol
C: 0/5I: 1/5humectant
Phenoxyethanol
C: 0/5I: 2/5preservative
phyllanthus-emblica-fruit-extract
sclerocarya-birrea-seed-oil
Sodium Benzoate
C: 0/5I: 1/5preservative
sorbic-acid
tetrahydrobisdemethoxydiferuloylmethane
tetrahydrodemethoxydiferuloylmethane
tetrahydrodiferuloylmethane
vitis-vinifera-juice-extract
Water (Aqua)
C: 0/5I: 0/5other
Shared (9)
dimethyl-isosorbide
Ethylhexylglycerin
C: 0/5I: 1/5preservative
Ferulic Acid
C: 0/5I: 1/5antioxidant
Glycerin
C: 0/5I: 0/5humectant
glycyrrhiza-glabra-root-extract
Propanediol
C: 0/5I: 0/5humectant
Sodium Hyaluronate
C: 0/5I: 0/5humectant
sodium-hyaluronate-crosspolymer
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant
Only in COSRX The (31)
1-2-hexanediol
acetyl-glucosamine
alcohol
Allantoin
C: 0/5I: 0/5humectant
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
Butylene Glycol
C: 1/5I: 1/5humectant
Citric Acid
C: 0/5I: 2/5aha
dextrin
diethoxyethyl-succinate
Dimethicone
C: 1/5I: 0/5silicone
Disodium EDTA
C: 0/5I: 0/5other
glutathione
Hyaluronic Acid
C: 0/5I: 0/5humectant
hydrogenated-lecithin
hydrolyzed-hyaluronic-acid
madecassoside
methyl-trimethicone
Niacinamide
C: 0/5I: 1/5antioxidant
Panthenol (Vitamin B5)
C: 0/5I: 0/5humectant
sodium-acetylated-hyaluronate
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.