Paula's Choice PRO Retinaldehyde Dual-Retinoid Treatment vs COSRX The Alpha-Arbutin 2 Discoloration Care Serum
12%Match
Only 12% overlap — quite different formulas
Ingredient Breakdown
Only in Paula's Choice (26)
albatrellus-confluens-extract
caprylhydroxamic-acid
Caprylic/Capric Triglyceride
C: 1/5I: 0/5emollient
cetyl-glyceryl-ether
Glyceryl Stearate
C: 1/5I: 0/5emollient
hydroxyacetophenone
hydroxyapatite
hydroxystearic-acid
Isopropyl Myristate
C: 5/5I: 1/5emollient
naringin
oleyl-adapalenate
polyglyceryl-2-stearate
polyglyceryl3diisostearate
punica-granatum-pericarp-extract
Retinal (Retinaldehyde)
C: 0/5I: 2/5retinoid
Castor Oil
C: 1/5I: 0/5emollient
saccharomyces-ferment-filtrate
Jojoba Oil
C: 2/5I: 0/5emollient
sodium-phytate
sodium-polyacrylate
sodium-stearoyl-glutamate
sorbitan-oleate
Stearyl Alcohol
C: 2/5I: 0/5emollient
Titanium Dioxide
C: 0/5I: 0/5sunscreen filter
Tocopheryl Acetate
C: 0/5I: 1/5antioxidant
Water (Aqua)
C: 0/5I: 0/5other
Shared (8)
1-2-hexanediol
Butylene Glycol
C: 1/5I: 1/5humectant
Citric Acid
C: 0/5I: 2/5aha
Dimethicone
C: 1/5I: 0/5silicone
Glycerin
C: 0/5I: 0/5humectant
Propanediol
C: 0/5I: 0/5humectant
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant
Xanthan Gum
C: 0/5I: 0/5other
Only in COSRX The (32)
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
dextrin
diethoxyethyl-succinate
dimethyl-isosorbide
Disodium EDTA
C: 0/5I: 0/5other
Ethylhexylglycerin
C: 0/5I: 1/5preservative
Ferulic Acid
C: 0/5I: 1/5antioxidant
glutathione
glycyrrhiza-glabra-root-extract
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 Hyaluronate
C: 0/5I: 0/5humectant
sodium-hyaluronate-crosspolymer
sodium-metabisulfite
sodium-methyl-stearoyl-taurate
sodium-polyacryloyldimethyl-taurate
sodium-pyrosulfite
theobroma-cacao-extract
Tranexamic Acid
C: 0/5I: 1/5brightener
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 + Titanium Dioxide
[Class rule] Humectants under SPF maintain skin hydration and improve sunscreen adherence.