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What is Acetyl Octapeptide-3?

Humectant

Acetyl Octapeptide-3 is a humectant that draws water into the skin and helps hold it there.

This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Humectant, Skin conditioning.

CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.

Which products feature it?

6 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.

Showing 1 to 6.

  • Product photo of Vita Active Micro Crystal Patch Plus

    DERMAFIRM

    Vita Active Micro Crystal Patch Plus

    It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.

    Key: Acetyl Octapeptide-3 (#20 on the ingredient list), Hyaluronic Acid, Ascorbyl Glucoside

    Official (Korean)
    7 claims, summarized
    You can expect:
    less visible dark spots · softer-looking fine lines
    Only partly backed:
    a brighter skin tone · better hydration
    Don't count on:
    firmer skin
    See each claim

    claims, checked

    • Functional cosmetics review (or reporting) completed in accordance with the Cosmetics Act / Whitening, wrinkle improvement functionalitybacked by evidence
    • This product contains 817,091 ppm (80%) of low-molecular-weight hyaluronic acid, which enhances skin moisture retention. The hyaluronic acid has been broken down into smaller fragments, with an average molecular weight of 50kDaplausible, not tested
    • Contains Dermafirm's patented Glutathione Nano Brightening (4,300 ppm of Glutathione). Patent Status(Application No. 10-2587666)partly backed
    • Dual (brightening & anti-wrinkle) functional product approved by the Ministry of Food and Drug Safetypartly backed
    • The ultra-fine needles (thinner than hair) directly deliver active ingredients to the skinoverstated
    • Clinically proven results after just one use. Eye Bag Lifting: Improved by 14.17%. Fine Lines Around the Eyes: Reduced by 17.55%. Melanin Levels: Reduced by 26.31%. Dark Spots: Reduced by 17.27%. Nasolabial Volume: Improved by 12.50%. Nasolabial Wrinkles: Reduced by 16.46%no supporting source found
    • Containing "Botox-like peptides" with mechanisms similar with Botox : Acetyl Octapeptide-3, Acetyl Hexapeptide-8, Arginine/Lysine Polypeptideno supporting source found
  • Product photo of MELANON X CREAM

    MEDIPEEL

    MELANON X CREAM

    It's made for better hydration and a brighter skin tone.

    Key: Acetyl Octapeptide-3 (#36 on the ingredient list), Niacinamide, Tranexamic Acid

    Official (Korean)
    24 claims, summarized
    Only partly backed:
    better hydration · a brighter skin tone · less visible dark spots (amount unknown)
    Tests passed:
    skin irritation
    See each claim

    claims, checked

    • Melanon X™*1) Cream surpasses 1.7 million*2) cumulative salespartly backed
    • Melasma·blemishes·whitening skin concerns Xpartly backed
    • Melasma and pigmentation relief*3) 15.4%partly backed
    • Skin radiance improvement*4) 216%partly backed
    • Skin inner*hydration improvement*5) 73.4%partly backed
    • Melasma·pigmentation improved in just 2 weekspartly backed
    • Not only melasma care, but skin as radiant as if a light were turned onpartly backed
    • Brightening formula*1) for bright and radiant skinpartly backed
    • A cream containing niacinamide that helps with skin radiance and melasma care.partly backed
    • MFDS-notified whitening ingredient niacinamidepartly backed
    • Tranexamic Acid Arbutin Magnesium Ascorbyl Phosphatepartly backed
    • [Patent No. 10-0966835] Botaniceutical plus-10*2)partly backed
    • 5 Peptide Balance Packed with 5 peptides to fill skin with nutrients and cultivate healthy skin.partly backed
    • Skin irritation test result 0.00, low-irritation productpartly backed
    • Melasma concerns, care for them starting from the cause.overstated
    • Deep hydration that fills from *inside the skinoverstated
    • Total care for skin concerns, all-purpose creamoverstated
    • Intensive care that precisely targets even the pigmentation hidden *inside the skin.no supporting source found
    • Moist and fresh! A fresh finish with no stickinessno supporting source found
    • Recommended for consumers concerned about dark, long-standing melasmano supporting source found
    • Melasma ●●●●○ Blemishes ●●●○○ Freckles ●●●○○no supporting source found
    • Sold-out frenzy, Nth restock!nothing specific to check
    • #HiddenMelasmaCreamnothing specific to check
    • Melasma is the target.nothing specific to check
  • Product photo of Jaeum Saengsu

    Sulwhasoo

    Jaeum Saengsu

    It's registered in Korea as a functional cosmetic for wrinkle improvement.

    Key: Acetyl Octapeptide-3 (#45 on the ingredient list), Panax Ginseng Root Water, Niacinamide

    4 claims, summarized
    You can expect:
    softer-looking fine lines
    Don't count on:
    firmer skin
    See each claim

    claims, checked

    • It is a functional product that helps with wrinkle improvement.backed by evidence
    • Morning and evening, take an appropriate amount, spread it from the inside of the face outward, then pat lightly to absorb.backed by evidence
    • It presents dense moisture and elasticity deep into the skin.overstated
    • Densely filled moisture elasticitynothing specific to check
  • Product photo of Zero Pore One-Day Peptide Serum

    MEDICUBE

    Zero Pore One-Day Peptide Serum

    Key: Acetyl Octapeptide-3 (#52 on the ingredient list), Niacinamide, Adenosine

    Official (Korean)
    2 claims, summarized
    Don't count on:
    less visible pores · firmer skin
    See each claim

    claims, checked

    • A pore serum that adds pore elasticity and brightening of the pore area to pore shrinkingpartly backed
    • [BEST] From the additional product description of the 2-week pore tightening care set: 'improve pore elasticity with the two Zero Pore products'no supporting source found
  • Product photo of REDERM365 Retinoid Eye Serum

    Aestura

    REDERM365 Retinoid Eye Serum

    Key: Acetyl Octapeptide-3 (#54 on the ingredient list), Hydroxypinacolone Retinoate, Niacinamide

    6 claims, summarized
    Don't count on:
    firmer skin · better barrier support
    See each claim

    claims, checked

    • Retinoid·Peptidebacked by evidence
    • : Blended with Hydroxypinacolone Retinoate (50 ppm), Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, and Acetyl Octapeptide-3.backed by evidence
    • : Contains Niacinamide, Adenosine, 3-O-Ethyl Ascorbic Acid, Glucosyl Hesperidin, and Hydrolyzed Extensin.backed by evidence
    • : Contains Cholesterol, Hydrogenated Lecithin, and Hydroxypropyl Bispalmitamide MEA.backed by evidence
    • Retinoid Derma Eye Serum that densely fills from the barrier to inner elasticity for sensitive eye areas that are thinner and more delicate.overstated
    • Strengthens elasticity of sensitive eye area.no supporting source found

  • KOY

    Flow Lifting Wrapping Cream Pore & Cool

    Key: Acetyl Octapeptide-3 (#69 on the ingredient list), Niacinamide, Adenosine

    2 claims checked

    claims, checked

    • Flow Lifting Wrapping Creamplausible, not tested
    • Hwajalmeok Skin Perfecting Pore Creamplausible, not tested

Often featured alongside it

Are the claims about it backed up?

We checked each claim that features this ingredient. Open the list below to see the result for each one.

See the results by claim
ResultClaims
backed by evidence1 of 2
no supporting source found1 of 2

These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.