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BESKN

COSRX

COSRX The 6 Peptide Skin Booster Serum

Category
Serum
Fragrance-free

How to use

After cleansing and toner, apply a small amount to the face and pat in, then follow with moisturizer. Can be used morning and evening. Niacinamide is generally well tolerated, but patch-test before first use if your skin is sensitive. Use a broad-spectrum sunscreen during the day as part of any anti-aging routine.

Ingredients

Listed in the order shown on the packaging.

  1. Water
    1
    Generally well tolerated

    What it does

    Solvent

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  2. Dipropylene Glycol
    2
    Generally well tolerated

    What it does

    Humectant Solvent Viscosity controlling

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  3. Glycerin
    3
    Generally well tolerated

    What it does

    Humectant

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  4. Pentylene Glycol
    4
    Generally well tolerated

    What it does

    Humectant Solvent

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  5. 1,2-Hexanediol
    5
    Generally well tolerated

    What it does

    Solvent

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  6. Niacinamide
    6
    Generally well tolerated

    What it does

    Skin conditioning Soothing

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  7. Acetyl Hexapeptide-8
    7
    Generally well tolerated

    What it does

    Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  8. Copper Tripeptide-1
    8
    Generally well tolerated

    What it does

    Skin conditioning Antioxidant

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  9. SH-Polypeptide-121 (HumaColl21)
    9
    Generally well tolerated

    What it does

    Skin conditioning Film forming

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  10. Dipeptide Diaminobutyroyl Benzylamide Diacetate
    10
    Generally well tolerated

    What it does

    Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  11. Oligopeptide-68
    11
    Generally well tolerated

    What it does

    Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

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  12. Palmitoyl Tripeptide-8
    12
    Generally well tolerated

    What it does

    Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

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  13. Allantoin
    13
    Generally well tolerated

    What it does

    Soothing

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

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  14. Sodium Hyaluronate
    14
    Generally well tolerated

    What it does

    Humectant Skin conditioning

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  15. Acetyl Glucosamine
    15
    Generally well tolerated

    What it does

    Humectant Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  16. Serine
    16
    Generally well tolerated

    What it does

    Humectant Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  17. Alanine
    17
    Generally well tolerated

    What it does

    Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  18. Glycine
    18
    Generally well tolerated

    What it does

    Humectant Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  19. Threonine
    19
    Generally well tolerated

    What it does

    Humectant Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  20. Arginine
    20
    Generally well tolerated

    What it does

    Humectant Skin conditioning Buffering

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  21. Proline
    21
    Generally well tolerated

    What it does

    Humectant Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  22. Betaine
    22
    Generally well tolerated

    What it does

    Humectant

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  23. Sodium PCA
    23
    Generally well tolerated

    What it does

    Humectant Skin conditioning

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  24. Sodium Lactate
    24
    Generally well tolerated

    What it does

    Humectant Skin conditioning Buffering

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  25. PCA
    25
    Generally well tolerated

    What it does

    Humectant Skin conditioning Buffering

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  26. Glutamic Acid
    26
    Generally well tolerated

    What it does

    Skin conditioning Antistatic

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  27. Lysine HCl
    27
    Generally well tolerated

    What it does

    Humectant Skin conditioning

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  28. Tocopherol
    28
    Generally well tolerated

    What it does

    Skin conditioning Antioxidant

    Concerns to know

    • Antioxidant

      Offers antioxidant activity that helps defend the skin against everyday oxidative stress.

    View ingredient →
  29. Dextran
    29
    Generally well tolerated

    What it does

    Humectant Skin conditioning Viscosity controlling Film forming

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  30. Soybean Oil
    30
    Generally well tolerated

    What it does

    Emollient Skin conditioning Antioxidant

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  31. Hydrogenated Lecithin
    31
    Generally well tolerated

    What it does

    Emollient Emulsifier Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  32. Ammonium Acryloyldimethyltaurate/VP Copolymer
    32
    Generally well tolerated

    What it does

    Emulsion stabiliser Viscosity controlling Film forming

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  33. Polyacrylate Crosspolymer-6
    33
    Generally well tolerated

    What it does

    Emulsion stabiliser Viscosity controlling Film forming

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  34. Butylene Glycol
    34
    Generally well tolerated

    What it does

    Humectant Solvent

    Concerns to know

    • Barrier & hydration support

      A well-studied humectant or emollient that helps hydrate the skin and support its moisture barrier.

    View ingredient →
  35. Xanthan Gum
    35
    Generally well tolerated

    What it does

    Viscosity controlling

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  36. Ethylhexylglycerin
    36
    Generally well tolerated

    What it does

    Preservative

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  37. Adenosine
    37
    Generally well tolerated

    What it does

    Skin conditioning Soothing

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  38. Polyquaternium-51
    38
    Generally well tolerated

    What it does

    Humectant Skin conditioning Film forming

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  39. Disodium EDTA
    39
    Generally well tolerated

    What it does

    Chelating agent

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  40. Citric Acid
    40
    Generally well tolerated

    What it does

    Chelating agent Buffering

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  41. Caprylyl Glycol
    41
    Generally well tolerated

    What it does

    Humectant Emollient Skin conditioning

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  42. T-Butyl Alcohol
    42
    Generally well tolerated

    What it does

    Solvent Denaturant

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

    View ingredient →
  43. Potassium Sorbate
    43
    Generally well tolerated

    What it does

    Preservative

    Concerns to know

    • Well tolerated

      No significant safety concern is reported for this ingredient as used in cosmetics.

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  44. Sodium Oleate
    44
    Worth knowing

    What it does

    Surfactant Cleansing Emulsifier

    Concerns to know

    • Potential irritant

      May cause irritation for sensitive skin, particularly at higher concentrations.

    View ingredient →