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COSRX

Advanced The Vitamin C 23 Serum

Serum

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8 of 39 ingredients flagged

Drying alcohol
Alcohol Denat
Silicone
Dimethicone, Methyl Trimethicone
Fungal acne trigger
Carthamus Tinctorius (Safflower) Seed Oil, Helianthus Annuus (Sunflower) Seed Oil, Camellia Japonica Seed Oil
Potential irritant
Alcohol Denat
Strong active
Ascorbic Acid

Key ingredientsPanthenol (B5), Vitamin C derivative, Squalane, Caffeine, Hyaluronic Acid, Niacinamide

Ingredients

In label order. Tap one to learn what it does.

  1. 1DimethiconeSilicone

    Silicone that gives a silky finish and a breathable moisture barrier.

  2. 2Panthenol

    Pro-vitamin B5. Hydrates, soothes and helps skin repair.

  3. 33-O-Ethyl Ascorbic Acid

    A stable, gentle form of vitamin C for brightness and antioxidant protection.

  4. 4Squalane

    Lightweight, skin-identical oil that softens without feeling greasy.

  5. 5Caffeine

    Constricts blood vessels to reduce puffiness and dark circles.

  6. 6Sodium Hyaluronate

    Holds many times its weight in water for plump, bouncy hydration.

  7. 7Glutathione
  8. 8Adenosine

    Smooths the look of wrinkles and calms skin.

  9. 9Gardenia Florida Fruit Extract

    A botanical extract. Usually present in small amounts for antioxidant or soothing benefits.

  10. 10Dextrin
  11. 11Acetyl Glucosamine
  12. 12Allantoin

    Soothes, softens and supports healing.

  13. 13Tocotrienols
  14. 14Tocopherol

    Antioxidant that protects skin and the formula.

  15. 15Elaeis Guineensis (Palm) Oil
  16. 16Niacinamide

    Vitamin B3. Balances oil, refines pores, fades marks and strengthens the barrier. A true all-rounder.

  17. 17Butylene Glycol

    Lightweight hydrator and solvent that helps ingredients absorb.

  18. 18Arginine

    Building blocks of your natural moisturizing factor.

  19. 19Glycyrrhiza Glabra (Licorice) Root Extract

    Calms redness and gently brightens uneven tone.

  20. 20Carthamus Tinctorius (Safflower) Seed OilFungal acne trigger

    A nourishing plant oil that softens and protects skin.

  21. 21Helianthus Annuus (Sunflower) Seed OilFungal acne trigger

    A nourishing plant oil that softens and protects skin.

  22. 22Camellia Japonica Seed OilFungal acne trigger

    A nourishing plant oil that softens and protects skin.

  23. 23Methyl TrimethiconeSilicone

    Gives a smooth, silky slip and helps lock in moisture.

  24. 24Daucus Carota Sativa (Carrot) Root Extract

    A botanical extract. Usually present in small amounts for antioxidant or soothing benefits.

  25. 25Beta-Carotene
  26. 26Water

    The base of most formulas. Dissolves everything else.

  27. 27Alcohol DenatDrying alcoholPotential irritant

    Makes products feel light and dry fast, but can strip and irritate skin when high on the list.

  28. 28Pentylene Glycol

    Lightweight hydrator and solvent that helps ingredients absorb.

  29. 29Ascorbic AcidStrong active

    The most researched vitamin C. Brightens, fades dark spots and boosts collagen. Can tingle.

  30. 30Propanediol

    Lightweight hydrator and solvent that helps ingredients absorb.

  31. 31Pentylene Glycol

    Lightweight hydrator and solvent that helps ingredients absorb.

  32. 32Sodium Chloride

    Keeps the formula at a skin-friendly pH.

  33. 33Sodium Sulfite
  34. 34Aqua/Water

    The base of most formulas. Dissolves everything else.

  35. 35Sodium Metaphosphate
  36. 36Ascorbic AcidStrong active

    The most researched vitamin C. Brightens, fades dark spots and boosts collagen. Can tingle.

  37. 37Disodium EDTA

    Grabs metal ions so the formula stays stable.

  38. 38Sodium Hydroxide

    Keeps the formula at a skin-friendly pH.

  39. 39Tromethamine

    Keeps the formula at a skin-friendly pH.