Overview
Cosmetic-research peptides are studied for skin, collagen, and pigmentation-related signaling, often in in-vitro or topical-model contexts. This guide describes the researched mechanism and handling as research characterization, not a cosmetic-outcome claim.
An octapeptide (acetyl octapeptide-3) studied topically for effects on expression-line research in cosmetic science.
Evidence at a glance: Mechanistic / in-vitro only
The published record here is mechanistic or in-vitro only. No human-efficacy conclusion can be drawn from it.
Molecular identity
- Molecular formula
- C34H60N14O13
- Molecular weight
- 897.0 g/mol
- CAS number
- 868844-74-0
- Amino acids
- 8
- Appearance
- White powder
- Purity (HPLC)
- 98.8%
Researched mechanism
Studied topically for modulation of SNARE-complex signaling relevant to expression lines in cosmetic research.
Described as a mechanism characterized in the literature, not an effect you should expect from use.
What the published research shows
Topical cosmetic effects examined in in-vitro and formulation studies.
Honest note on evidence: Studied as a topical cosmetic ingredient; evidence is in-vitro/formulation-based.
Every citation states its study type and population, so preclinical data is never presented as human-efficacy evidence.
How it compares
| Versus | Attribute | Note |
|---|---|---|
| GHK-Cu | Use | Both appear in cosmetic research; different mechanisms. |
Reconstitution
Concentration math only: adding bacteriostatic water to the vial gives the resulting mg/mL shown below. This is not usage guidance.
| Vial | Bacteriostatic water | Concentration |
|---|---|---|
| 10 mg | — | Formulated topically per cosmetic protocol |
Storage & stability
| State | Temperature | Duration |
|---|---|---|
| Powder (unopened) | 2–8°C | 24 months |
| In formulation | 2–8°C | per formulation |
Common questions
Is this an injectable peptide?+
No. Snap-8 is studied as a topical cosmetic ingredient. It is still Research Use Only.
