SNAP-8
Also known as: Acetyl Octapeptide-3
Acetyl Octapeptide-3 | Anti-Wrinkle & Expression Line Peptide
Overview
Synthetic octapeptide functioning as topical Botox alternative, targeting dynamic facial wrinkles through SNARE complex modulation. Up to 63% wrinkle depth reduction demonstrated clinically.
Key benefits
- Non-invasive alternative to botulinum toxin
- Up to 63% wrinkle depth reduction demonstrated clinically
- Safe for sensitive periorbital areas
- No recovery time required
- Gradual, natural-appearing results
Mechanism of action
Mimics SNAP-25 protein N-terminal, competitively inhibits SNARE complex formation, reduces acetylcholine release at neuromuscular junctions.
Molecular data
- Type
- Acetylated octapeptide
- Half-life
- Not established (primarily topical use)
Sequence
Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2
Indications
What the research community uses this compound for, with self-reported effectiveness.
Anti-Wrinkle
Expression Line Reduction
Most effectiveDemonstrates up to 63% reduction in wrinkle depth around eyes/forehead over 28 days.
Forehead Wrinkle Treatment
EffectiveTargets horizontal lines from repetitive eyebrow-raising and facial expressions.
Crow's Feet Improvement
EffectiveReduces periorbital wrinkles via localized muscle relaxation without affecting natural expressions.
Muscle Relaxation
SNARE Complex Modulation
Effective43% inhibition efficiency at therapeutic concentrations.
Targeted Muscle Action
EffectiveLocalized relaxation at application sites without systemic effects.
Skin Health
Preventive Anti-Aging
ModerateSlows new expression line formation before becoming static wrinkles.
Dosing protocols
Common protocols by delivery method. Adjust the curve below to model accumulation in your own cycle.
Topical
Most studied and clinically validated route; applied directly to skin for localized effects.
| Protocol | Dose | Frequency | Route / duration |
|---|---|---|---|
| General Anti-Aging | 3-5% concentration | 2x daily | Serum/cream |
| Intensive Wrinkle Treatment | 5-10% concentration | 2x daily | Targeted application |
| Eye Area Treatment | 3-5% concentration | 2x daily | Eye cream/serum |
| Preventive Use | 3% concentration | 1-2x daily | Daily moisturizer |
Preparation
You will need
- SNAP-8 peptide solution or powder
- Base serum or cream if mixing
- Clean applicator or dropper
- Gentle pH-balanced cleanser
Steps
- Cleanse face with gentle cleanser
- Pat dry and wait 1-2 minutes
- Dissolve powder in distilled water or add to serum base at 3-10%
- Apply pea-sized amount to target areas (forehead, eyes, between brows)
- Gently pat into skin—avoid rubbing
- Wait 2-3 minutes for absorption
- Follow with moisturizer and sunscreen (daytime)
Work out the water volume and syringe units in the reconstitution calculator →
Injectable
Research-only subcutaneous administration; direct tissue delivery with limited clinical data.
| Protocol | Dose | Frequency | Route / duration |
|---|---|---|---|
| Initial Phase (Weeks 1-4) | 0.33mg (330mcg) | 1x daily | SubQ |
| Mid-Phase (Weeks 5-8) | 0.5mg (500mcg) | 1x daily | SubQ |
| Target Phase (Weeks 9-12) | 1.0mg (1000mcg) | 1x daily | SubQ |
Preparation
You will need
- SNAP-8 lyophilized powder (10mg vial)
- Bacteriostatic water (3.0 mL)
- Insulin syringes (29-31 gauge)
- Alcohol swabs
Steps
- Allow vial to reach room temperature
- Clean vial top with alcohol swab; allow to dry
- Draw 3.0 mL bacteriostatic water into syringe
- Inject water slowly down inside wall to minimize foaming
- Gently swirl vial—do NOT shake vigorously
- Allow complete dissolution (clear solution)
- Final concentration: ~3.33 mg/mL
- Store reconstituted solution at 2-8°C; use within 30 days
Work out the water volume and syringe units in the reconstitution calculator →
Interactions
Pairwise interactions with other compounds you might be cycling — the same data behind the cycle builder's safety check.
Retinol
MonitorBoth potent actives; introduce slowly or use separately (SNAP-8 morning, retinol evening).
Vitamin C (L-Ascorbic Acid)
MonitorpH differences may affect stability; use Vitamin C morning, SNAP-8 evening.
AHA/BHA Acids
MonitorAcids destabilize peptides; use at different times—acids morning, peptides evening.
Argireline (Acetyl Hexapeptide-3)
SynergisticParent compound with same mechanism; SNAP-8 ~30% more potent; may be redundant when combined.
Leuphasyl
SynergisticResearch shows 47% total inhibition combined vs 38% and 7% independently.
GHK-Cu
CompatibleComplementary mechanisms—SNAP-8 reduces expression lines; GHK-Cu promotes collagen synthesis.
Hyaluronic Acid
SynergisticExcellent combination; hydration and plumping effects enhance wrinkle reduction.
Niacinamide
CompatibleSafe together; niacinamide calms barrier while SNAP-8 targets expression lines.
Matrixyl
SynergisticComplementary anti-aging—Matrixyl stimulates collagen; SNAP-8 relaxes muscles.
Timeline
Typical week-by-week effects reported in clinical and observational data.
- Day 1-7
Skin feels slightly smoother; minimal visible changes as peptide accumulates
- Week 2-3
Initial fine line reduction, especially with expressions; skin appears more relaxed
- Week 4
Significant wrinkle depth reduction (~35% average); expression lines less pronounced
- Week 6-8
Maximum efficacy (~63% reduction); forehead and eye area show notable improvement
- Ongoing
Maintained results with continued use; effects diminish over 2-4 weeks if discontinued
Safety
Reported adverse effects, contraindications, and what to monitor on cycle.
Common side effects
- Mild irritation or redness (especially at 5-10% concentrations initially)
- Minimal risk on sensitive periorbital areas
Stop signs — stop and seek advice
- Persistent skin irritation, burning, or redness unresolved within days
- Allergic reaction (rash, hives, swelling, difficulty breathing)
- Unusual skin discoloration in treated areas
- Worsening skin condition after 2+ weeks of use
- Eye irritation or vision changes if product enters eyes
Contraindications
- Pregnancy and breastfeeding (insufficient safety data)
- Known peptide allergies
Monitoring
- Perform patch test on inner arm 24 hours before facial use
- Discontinue if persistent irritation occurs
- Avoid combining with strong acids in same application
Quality checks
What a legitimate product looks like, what should give pause, and what should make you stop.
Good signs
- Clear, colorless to slightly yellowish solution with no visible particles
- pH between 3.0-5.0 for stability and skin compatibility
- Airless pump, dark glass, or UV-protected packaging
- Subtle, measurable wrinkle reduction over 2-4 weeks
Warning signs
- Many commercial products contain subtherapeutic concentrations; verify 3-10% SNAP-8
Stop signs — don't use
- Cloudy or discolored solution—indicates degradation or contamination
- Strong odor or unusual smell—suggests contamination or degradation
Recent research
Newer papers and trial readouts on file for this compound, with source and date.
2025 · Pharmaceutics
Acetyl Hexapeptide-8 in Cosmeceuticals: A Review of Skin Permeability and Efficacy
Comprehensive review of AH-8 (argireline/SNAP-8 parent compound). Demonstrates wrinkle reduction and improved skin elasticity, though limited stratum corneum permeability remains a challenge. Advanced delivery strategies including microneedle patches show promise.
References
Primary literature and clinical-trial data informing this entry.
The Anti-Wrinkle Efficacy of Argireline, a Synthetic Hexapeptide, in Chinese Subjects: A Randomized, Placebo-Controlled Study
Wang Y, Wang M, Xiao S, et al. · American Journal of Clinical Dermatology · 2013
60 subjects randomized 3:1 argireline vs placebo. Total anti-wrinkle efficacy 48.9% argireline vs 0% placebo (P<0.01). Roughness parameters significantly decreased. First multicenter RCT of the parent compound.
A Synthetic Hexapeptide (Argireline) with Antiwrinkle Activity
Blanes-Mira C, Clemente J, Jodas G, et al. · International Journal of Cosmetic Science · 2002
10% argireline emulsion reduced wrinkle depth up to 30% in 30 days. Mechanism: competitive inhibition of SNARE complex formation with potency similar to BoNT-A but non-toxic.
Cosmeceutical Peptides in the Framework of Sustainable Wellness Economy
Katayama S, et al. · International Journal of Molecular Sciences · 2020
SNAP-8 demonstrated 43% SNARE complex inhibition at therapeutic concentrations. Synergistic with Leuphasyl: 47% total inhibition combined vs 38% and 7% independently.
Clinical Safety and Efficacy Evaluation of a Dissolving Microneedle Patch Having Dual Anti-Wrinkle Effects
Kim JH, et al. · Annals of Dermatology · 2024
24 subjects evaluated dissolving microneedle patch with acetyl octapeptide-3 (SNAP-8). Enhanced wrinkle reduction vs topical alone, improved skin elasticity and lifting with no adverse effects over 28 days.
Last updated . How this page was sourced is described in the methodology.