TATCHA THE SILK SUNSCREEN SPF50 $64 vs COSRX The Alpha-Arbutin 2 Discoloration Care Serum
13%Match
Only 13% overlap — quite different formulas
Ingredient Breakdown
Only in TATCHA THE (37)
arctium-lappa-root-extract
bisabolol
c12-15-alkyl-benzoate
caesalpinia-spinosa-fruit-extract
camellia-sinensis-leaf-extract
Caprylic/Capric Triglyceride
C: 1/5I: 0/5emollient
caprylyl-glycol
caprylyl-methicone
cladosiphon-okamuranus-extract
dimethicone-crosspolymer
hdi-trimethylol-hexyllactone-crosspolymer
hexylene-glycol
hydrolyzed-silk
iron-oxides
isododecane
kappaphycus-alvarezii-extract
lactobacillus
lauryl-peg-8-dimethicone
laurylpeg10tristrimethylsiloxysilylethyldimethicone
Lecithin
C: 2/5I: 0/5emollient
maltodextrin
peg-10
Phenoxyethanol
C: 0/5I: 2/5preservative
phosphoric-acid
polyglyceryl-2-dipolyhydroxystearate
polyglyceryl-4-diisostearate-polyhydroxystearate-sebacate
polymethylsilsesquioxane
Propylene Glycol
C: 0/5I: 2/5humectant
saccharomyces-rice-ferment-filtrate
silica
Sodium Chloride
C: 0/5I: 0/5other
Sodium Hydroxide
C: 0/5I: 2/5other
Squalane
C: 1/5I: 0/5emollient
Tetrasodium Glutamate Diacetate
C: 0/5I: 0/5other
theobroma-cacao-seed-extract
tridecyl-salicylate
zincoxide
Shared (10)
Allantoin
C: 0/5I: 0/5humectant
Aqua (Water)
C: 0/5I: 0/5other
Butylene Glycol
C: 1/5I: 1/5humectant
Dimethicone
C: 1/5I: 0/5silicone
Ethylhexylglycerin
C: 0/5I: 1/5preservative
hydrogenated-lecithin
Niacinamide
C: 0/5I: 1/5antioxidant
Propanediol
C: 0/5I: 0/5humectant
Sodium Hyaluronate
C: 0/5I: 0/5humectant
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant
Only in COSRX The (30)
1-2-hexanediol
acetyl-glucosamine
alcohol
Alpha Arbutin
C: 0/5I: 1/5brightener
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
Glycerin
C: 0/5I: 0/5humectant
glycyrrhiza-glabra-root-extract
Hyaluronic Acid
C: 0/5I: 0/5humectant
hydrolyzed-hyaluronic-acid
madecassoside
methyl-trimethicone
Panthenol (Vitamin B5)
C: 0/5I: 0/5humectant
sodium-acetylated-hyaluronate
sodium-citrate
sodium-hyaluronate-crosspolymer
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.