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Well studied
humectant skin conditioning

Acetyl Hexapeptide-8

Argireline, Acetyl Hexapeptide-3

Acetyl Hexapeptide-8

Characteristics

INCI
Acetyl Hexapeptide-8
Ru.
Argireline, Acetyl Hexapeptide-3
CAS
616204-22-9
Functions
humectant, skin conditioning

Who it's for

Skin Type
▲ Dry ▲ Oily ▲ Combination ▲ Normal ▲ Sensitive ▲ Acne-Prone
Face Concern
▲ Anti-Aging ▲ Firming
Application Area
▲ Face ▲ Eyes
acetyl hexapeptide-8 is the synthetic peptide consisting of arginine, methionine, and acetylated glutamic acid residues

Description

If you see a cosmetic product that claims that it has "Botox-like effect" then two things are almost certain: one, the product overpromises and two, it contains Argireline. 

So this one is the famous peptide that's marketed by its manufacturer as the "Botox in a jar". The basis for this claim is that it targets the same wrinkle forming mechanism (wrinkles caused by facial muscle movement) as Botox, but the way it works is very different. In addition, the extent to which it can prevent muscles from contracting (and to smooth wrinkles) is very different (otherwise why would anyone use still Botox?). 

The manufacturer did several studies to prove that Argireline really works and it does (just not as well as Botox). In-vivo (made on real people) tests showed that using 10% Argireline solution around the eyes for 15 days decreased wrinkles depth by 17%,while a5% Argirelineformula applied for 28 days did almost the same with a decrease in wrinkle depth by 16.26%. A Spanish University also did some research and found that Argireline increased the level of skin moisturization and decreased both the depth and width of wrinkles "significantly". 

This means, Acetyl Hexapeptide-8 does have some ability to smooth wrinkles (but not as well as Botox - sorry, if we sound like a broken record). Also, we have to agree with TruthInAging, that it's not a collagen builder and not a preventer of structural aging (think vitamin C, AHAs or retinol); it's just a quick fix. If you are looking for one, this could be your thing. If you are more of a "let's treat this aging thing properly" type, then it's probably not your thing.

Frequently Asked Questions about Acetyl Hexapeptide-8

What is acetyl hexapeptide-8 in skincare?
Acetyl hexapeptide-8 is a synthetic peptide used in skincare for its smoothing and anti-aging claims. It’s best known for being sold under the trade name Argireline. It is often included in products marketed to soften the appearance of expression lines.
What does acetyl hexapeptide-8 do for the skin?
Its main role is to help skin look smoother, especially in areas where repeated facial movement can make lines more noticeable. Some studies suggest it may modestly reduce the appearance of fine lines, but its effects are usually subtler than injectable wrinkle treatments. It is not a skin exfoliant, moisturizer, or sunscreen.
Is acetyl hexapeptide-8 the same as Argireline?
Yes, Argireline is the trade name most commonly used for acetyl hexapeptide-8. The ingredient itself is the peptide, while Argireline is a branded version you may see on product labels or marketing claims. The cosmetic function is the same regardless of the name used.
How do you use products with acetyl hexapeptide-8?
It’s typically used in serums, creams, or eye products applied to clean skin before heavier moisturizers. Because it works best as part of a leave-on formula, it is not usually meant to be rinsed off. Follow the product directions, since concentration and formulation matter more than the ingredient alone.
Is acetyl hexapeptide-8 better than Botox?
No, it is not an alternative to Botox in the medical sense. Botox is an injectable treatment that temporarily relaxes muscles, while acetyl hexapeptide-8 is a topical ingredient with much milder and less predictable effects. It may help improve the look of fine lines in some products, but it cannot produce the same results as injections.

Evidence & Research on Acetyl Hexapeptide-8

Scientific publications & sources 2
  • 1
    Ruiz, M. A., et al. "Evaluation of the anti-wrinkle efficacy of cosmetic formulations with an anti-aging peptide (Argireline®)." Ars pharm 50.4 (2010): 168-176.
    Find in PubMed
  • 2
    Wang, Yuan, et al. "The Anti-Wrinkle Efficacy of Argireline, a Synthetic Hexapeptide, in Chinese Subjects." American journal of clinical dermatology 14.2 (2013): 147-153.
    Find in PubMed

Products with Acetyl Hexapeptide-8 (3 915 total)

Most often found in MEDI-PEEL products (85 items)

All 3 915 products →
Synonyms
*Acetyl Hexapeptide-8 Acetyl Hexapeptide - 8 Acetyl Hexapeptide - 8 ( Skin - Conditioning Agents ) Acetyl Hexapeptide -8 Acetyl Hexapeptide -8 (0.005Ppm) Acetyl Hexapeptide -8(0.005Ppm) Acetyl Hexapeptide -8(105Ppb) Acetyl Hexapeptide – 3 Acetyl Hexapeptide 8 Acetyl Hexapeptide- 3 Acetyl Hexapeptide- 8 Acetyl Hexapeptide- 8 (0.0001%) Acetyl Hexapeptide- 8 (5Ppb) Acetyl Hexapeptide-3 Acetyl Hexapeptide-3 (Argireline)