If you have read a peptide serum label lately, you have probably seen Argireline or SNAP-8. They are close relatives, both used in formulas focused on the look of expression lines, and they are often used together.
What is Argireline?
Argireline is the trade name for Acetyl Hexapeptide-8 (you may also see it listed as Acetyl Hexapeptide-3), a peptide made of six amino acids. It is one of the most widely used peptides in skincare and is included in formulas focused on the look of expression lines, such as those around the eyes and forehead.
You will sometimes see it marketed as “Botox in a bottle.” That is marketing, not a comparison that holds up: Argireline is a topical cosmetic ingredient, used for how skin looks. It is not a substitute for any in-office treatment.
What is SNAP-8?
SNAP-8 is the trade name for Acetyl Octapeptide-3, an eight-amino-acid peptide developed as a longer relative of Argireline. It belongs to the same group of peptides and is used for the same purpose: the look of expression lines.
SNAP-8 vs. Argireline at a glance
| Argireline | SNAP-8 | |
|---|---|---|
| Label name | Acetyl Hexapeptide-8 | Acetyl Octapeptide-3 |
| Length | 6 amino acids | 8 amino acids |
| Group | Neurotransmitter-affecting peptide | Neurotransmitter-affecting peptide |
| Often used for | The look of expression lines | The look of expression lines |
| Research history | Longer, more widely studied | Newer |
| Gentleness | Generally well tolerated | Generally well tolerated |
Is SNAP-8 better than Argireline?
SNAP-8 is often described as the “next generation” of Argireline, and ingredient suppliers position it as the stronger of the two. Independent head-to-head comparisons are limited, though, so the honest answer is that neither is clearly better on its own. That is why many formulas use both, alongside peptides from other groups, such as GHK-Cu for the look of firmness.
Our Advanced Multi-Peptide Serum combines SNAP-8 and Acetyl Hexapeptide-8 with GHK-Cu (Copper Tripeptide-1), Palmitoyl Pentapeptide-4 (often known as Matrixyl) and Palmitoyl Tripeptide-5.
How to use an Argireline or SNAP-8 serum
- Apply after cleansing, before moisturizer, morning and/or evening as directed.
- Pay attention to areas where expression lines show, such as the forehead and around the eyes, while avoiding the eyes themselves.
- Follow with moisturizer, and sunscreen in the morning.
- Give it time: judge any peptide serum over 8 to 12 weeks of consistent use.
Both pair easily with hyaluronic acid, niacinamide and retinol. See what to pair with peptides.
Quick answers
Is SNAP-8 better than Argireline?
Neither is clearly better on its own. SNAP-8 is a newer, longer relative of Argireline, and many serums use both.
Is Argireline the same as Acetyl Hexapeptide-8?
Yes. Argireline is the trade name for Acetyl Hexapeptide-8, sometimes also listed as Acetyl Hexapeptide-3.
Can you use SNAP-8 and Argireline together?
Yes. They are often combined in the same serum.
Is Argireline like Botox?
No. Argireline is a topical cosmetic ingredient used for how skin looks. It is not comparable to an in-office treatment.
Does Advanced Multi-Peptide Serum contain Argireline?
Yes. It contains Acetyl Hexapeptide-8 (Argireline) and Acetyl Octapeptide-3 (SNAP-8), plus GHK-Cu and two palmitoyl peptides.