Argireline (Acetyl Hexapeptide-8)_Dosage, benefits & legal status
Also known as acetyl hexapeptide-8, acetyl hexapeptide-3, Argireline
A topical Botox-like peptide that softens fine lines, needle-free.
Common vial size is what vendors typically sell, not a recommendation. Enter your own vial in the calculator.
What is Argireline (Acetyl Hexapeptide-8)?
Plain language first. The technical label stays, but it never stands alone.Overview
Applied topically, it softens fine expression lines a bit like a gentle, needle-free version of Botox.
Argireline (acetyl hexapeptide-8) is a cosmetic peptide that mildly limits the release of the signal muscles use to contract.
What it's used for
A topical Botox-like peptide in many anti-aging serums that relaxes fine expression lines. It is milder and needle-free.
How does Argireline (Acetyl Hexapeptide-8) work?
What it does in the body, and where.Argireline is marketed as topical Botox. The comparison is directionally right about the target and badly wrong about the magnitude.
- 01It interferes with the SNARE complexThe machinery nerve endings use to release the signal that makes a muscle contract. Botulinum toxin destroys part of the same system.
- 02Expression lines soften modestlyStudies show a measurable but small effect, and results across trials have been inconsistent.
- 03Very little of it gets through the skinOne study found under 0.2% penetrated the outer layer. A peptide cannot affect a muscle it never reaches, and this is the fundamental limit on all topical peptides.
- 04Typical formulations run 5 to 10%Which is a formulation convention rather than a dose established by trials.
Where this compound is thought to act.
What else is it used for?
Each use below carries its own evidence level. Approved means regulators have cleared it for that purpose. Investigational means it is in trials. Early research means it is being studied and is not established.
- Softening fine expression lines, applied to the skinOTC / supplement
- Forehead and eye wrinkles specificallyEarly research
The published record
69
Records indexed for Argireline (Acetyl Hexapeptide-8)
33 in humans, 20 of them original studies.
6 registered trials, 2 with posted results.
FDA: Category 3.
Counted from Europe PMC indexing, not read by a person. Human means indexed under humans, which includes reviews and work on human cells. Original studies exclude reviews and lab work on human cells.Last updated 12 September 2026.
At a glance
Four things to know about Argireline (Acetyl Hexapeptide-8)
Evidence
OTC / supplement
Category
Skin and cosmetic
Common vial
Varies
Half-life
Not measured, and not the right question
How much, and do you cycle it?
The range, and whether you take breaks.Serum, per product, daily. Not cycledCommunity practice
Used daily as part of a routine. The effect depends on continued use and returns to baseline when you stop, so there is nothing to cycle off.
How long does it stay in the body?
The half-life, and where the figure comes from.Not measured, and not the right questionNo figure
This is a topical cosmetic ingredient. A blood half-life measures how fast something leaves the bloodstream, and these are not intended to reach it in meaningful amounts. What matters for a topical is how much penetrates the skin and how long it stays in the tissue, which is a different measurement and one that is rarely published.
You can compare this against the whole library to see where it sits.
What does it cost?
Typical dose and cost, in plain numbers.Argireline (Acetyl Hexapeptide-8) is not injected
It is taken on the skin (topical). Applied as a topical product at the concentration the manufacturer sets. There is no injected dose.
Argireline (Acetyl Hexapeptide-8) starts at $75.00 across 4 vendors, typically $0.50 – $1.13 per mg.
5 listings, last read Sep 5, 2026. Shipping and card fees are not included.
How do you store it?
Before mixing, and after.Room temperature, out of light. Cap it tight after each use.
Argireline (Acetyl Hexapeptide-8) ships as a cream, gel, or serum. Keep it at room temperature away from sun and heat unless the label says otherwise. Refrigerating an emulsion can split the texture. Watch for color, smell, or separation changes and stop using it if any appear.
What are the side effects and cautions?
Known cautions and warnings for this compound.Who should avoid it
- A known allergy to the ingredient
- Broken skin
Stop and get help
- A rash, swelling, or intense itching where applied
Common effects
- Generally well tolerated on the skin
- Occasional mild irritation, redness, or tightness
- Injected use has not been established as safe. This is a cosmetic ingredient, not a drug
What regulators say
- FDA: Bulk Drug Substances Nominated for Use in Compounding Under Section 503B (interim categories 1, 2, 3), updated March 21, 2025Category 3
Listed as Acetyl Hexapeptide-3
Checked 11 September 2026
Where this page says nothing is established, that means nobody has studied it, not that a compound is safe.
Is Argireline (Acetyl Hexapeptide-8) approved?
And where the numbers on this page come from.Not as a medicine. Argireline (Acetyl Hexapeptide-8) is sold without a prescription as a supplement or cosmetic ingredient, which is a different thing from being approved as a drug.
- Approval statusOTC / supplement
- RouteOn the skin (topical)
- CheckedSeptember 2026
What has happened recently
We have not yet written a full regulatory note for this compound. The status above is current as of the date shown.
You can compare this against the whole library, or read how to check a seller.
- DoseFrom product labeling and published use.
- Vial sizeFrom what vendors typically list; not a recommendation.
- Sources
- Reviewed8 September 2026
What else is like Argireline (Acetyl Hexapeptide-8)?
Others in Skin and cosmetic, side by side.If you're weighing Argireline (Acetyl Hexapeptide-8), it's worth reading SNAP-8 (Acetyl Octapeptide-3), Matrixyl (Palmitoyl Pentapeptide-4), and Palmitoyl Tripeptide-1 in the same class.
A topical Botox-like peptide that softens fine lines, needle-free.
- Dose
- Serum, per product
- How often
- Daily
A stronger topical wrinkle-smoothing peptide for forehead and eye lines.
- Dose
- Serum, per product
- How often
- Daily
A topical collagen-boosting peptide that firms skin over time.
- Dose
- Serum, per product
- How often
- Daily
A topical collagen peptide that firms and smooths skin.
- Dose
- Serum, per product
- How often
- Daily
Guides for this compound
- How to Reconstitute a Peptide
Mix peptide powder with bacteriostatic water, step by step.
- mcg vs mg: The Peptide Dosing Mistake to Avoid
Your vial says mg and your protocol says mcg. Here is the conversion and how to check it.
- How to Read a Peptide COA
What the purity number does and does not tell you, and how to spot an edited report.
- How to Vet a Peptide Vendor
Independent COAs, HPLC purity, and the red flags that mean walk away.
Sources
- Acetyl hexapeptide-8 as a topical alternative to botulinum toxin: a review of the literature, Journal of Drugs in Dermatology(2025)Systematic review under PRISMA. Ten studies, 302 women and 10 men in total. All reported decreases in wrinkle prominence but statistical significance varied, and five of the ten tested multi-ingredient formulations rather than the peptide alone.
- Public interest in acetyl hexapeptide-8: longitudinal analysis, PubMed Central(2024)Describes the mechanism, blocking SNARE complex assembly to reduce acetylcholine release. This is a search-trend analysis, not an efficacy study, and is cited here for the mechanism description only.
Last reviewed 8 September 2026
Beyond these, 69 records are indexed. Browse the records