Snap-8 (Acetyl Octapeptide-3)
Also known as Snap8 · Acetyl Octapeptide-3 · SNAP-8
New
Reconstitution & dosing guide
10 mg vial — research phases, recon steps, and a live unit calculator.
Available sizes & price
Catalog only10mg x 10 vials
Snap8 · Not in current stock
$25 / vial
Prices per vial · Research use only · Not medical advice.
Cosmetic octapeptide related to Argireline, designed to reduce expression lines by modulating SNARE-mediated neurotransmitter release in topical use.
How to picture it
Think of a facial muscle getting a tiny text message ("contract") from a nerve. That message ships in packets that need a docking protein complex (SNARE, including SNAP-25) to open. Snap-8 is shaped to compete with SNAP-25 in that docking process when used topically. If fewer packets open at shallow nerve–muscle junctions, the muscle gets a quieter contract signal — the cosmetic idea behind softening expression lines. Picture a local volume-knob on the release machinery, not a paralytic injection.
Research focus & benefits
- Topical expression-line cosmetic research
- SNARE/SNAP-25 pathway modulation studies
- Non-paralytic wrinkle-pathway interest
Benefits describe research interest and pathway rationale — not guaranteed outcomes or medical advice. Research use only.
Overview
Snap-8 is a synthetic octapeptide developed as an elongation of Argireline (acetyl hexapeptide-8). It is used almost exclusively in cosmetic topical formulations targeting dynamic facial lines. Catalog research vials exist in peptide markets, but the evidence base is cosmetic/topical rather than systemic injectable science.
Mechanism
Competes with SNAP-25 in SNARE complex formation, theoretically reducing acetylcholine vesicle release at superficial neuromuscular junctions when applied topically. Effect is local and modest compared with neuromodulator injectables.
Research uses
- Topical wrinkle-depth reduction studies (cosmetic literature)
- Formulation science for anti-aging serums
- SNARE-pathway cosmetic research
Research dosing notes
Standard cosmetic concentrations in leave-on products. Not established for systemic injection; injectable use is outside the cosmetic evidence base.
Half-life / kinetics
Local topical kinetics
Common research routes
Reported considerations
- Mild skin irritation
- Sensitization with fragranced bases
- No meaningful systemic safety dataset for injection
Contraindications / cautions
- Broken or infected skin
- Pregnancy caution for uncharacterized injectables
Common research stacks
- GHK-Cu topical
- Matrixyl
- Argireline-class peptides
Legal / access note
Common cosmetic ingredient; research vials are not approved drugs. Topical cosmetic use is distinct from research-chemical injectables.