SNAP-8 (Acetyl Octapeptide-3)

Acetyl Octapeptide-3 | Anti-Wrinkle & Expression Line Peptide

Weight: 1,075.16 Da
Half-life: Not established (primarily topical use)
Chain: 8 amino acids
4 studies
2024 latest
1 recent
Well Studied
Dose 3-10% topical concentration (0.33-1mg injectable)
Frequency 2x daily for topical (morning and evening)
Cycle Continuous use for maintained results
Storage Topical: 4-25°C. Reconstituted injectable: 2-8°C, use within 30 days

Community Research

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Synthetic octapeptide functioning as topical Botox alternative, targeting dynamic facial wrinkles through SNARE complex modulation. Up to 63% wrinkle depth reduction demonstrated clinically.

Mechanism of Action

Mimics SNAP-25 protein N-terminal, competitively inhibits SNARE complex formation, reduces acetylcholine release at neuromuscular junctions.

01 Non-invasive alternative to botulinum toxin
02 Up to 63% wrinkle depth reduction demonstrated clinically
03 Safe for sensitive periorbital areas
04 No recovery time required
05 Gradual, natural-appearing results

Molecular Data

Molecular Weight
1,075.16 Da
Chain Length
8 amino acids
Type
Acetylated octapeptide
Amino Acid Sequence
One-letter: ?EEMQRRAD?
H₂N
H
? 1
O ‖ C
N
E 2
O ‖ C
N
E 3
O ‖ C
N
M 4
O ‖ C
N
Q 5
O ‖ C
N
R 6
O ‖ C
N
R 7
O ‖ C
N
A 8
O ‖ C
N
D 9
O ‖ C
N
H
? 10
COOH
Ac
1

Ac

Position 1

Glu
2

Glutamic Acid

Position 2

Glu
3

Glutamic Acid

Position 3

Met
4

Methionine

Position 4

Gln
5

Glutamine

Position 5

Arg
6

Arginine

Position 6

Arg
7

Arginine

Position 7

Ala
8

Alanine

Position 8

Asp
9

Aspartic Acid

Position 9

NH2
10

NH2

Position 10

N-terminus C-terminus
Hydrophobic
Polar
Positive (+)
Negative (-)
Modified

Research Indications

Anti-Wrinkle
Expression Line Reduction most effective

Demonstrates up to 63% reduction in wrinkle depth around eyes/forehead over 28 days.

Forehead Wrinkle Treatment effective

Targets horizontal lines from repetitive eyebrow-raising and facial expressions.

Crow's Feet Improvement effective

Reduces periorbital wrinkles via localized muscle relaxation without affecting natural expressions.

Muscle Relaxation
SNARE Complex Modulation effective

43% inhibition efficiency at therapeutic concentrations.

Targeted Muscle Action effective

Localized relaxation at application sites without systemic effects.

Skin Health
Preventive Anti-Aging moderate

Slows new expression line formation before becoming static wrinkles.

Dosing Protocols

Most studied and clinically validated route; applied directly to skin for localized effects.

GoalDoseFrequencyRoute
General Anti-Aging3-5% concentration2x dailySerum/cream
Intensive Wrinkle Treatment5-10% concentration2x dailyTargeted application
Eye Area Treatment3-5% concentration2x dailyEye cream/serum
Preventive Use3% concentration1-2x dailyDaily moisturizer

Reconstitution Instructions

Materials Needed:
  • SNAP-8 peptide solution or powder
  • Base serum or cream if mixing
  • Clean applicator or dropper
  • Gentle pH-balanced cleanser
  1. 1 Cleanse face with gentle cleanser
  2. 2 Pat dry and wait 1-2 minutes
  3. 3 Dissolve powder in distilled water or add to serum base at 3-10%
  4. 4 Apply pea-sized amount to target areas (forehead, eyes, between brows)
  5. 5 Gently pat into skin—avoid rubbing
  6. 6 Wait 2-3 minutes for absorption
  7. 7 Follow with moisturizer and sunscreen (daytime)

Interactions

++
Argireline (Acetyl Hexapeptide-3)
Parent compound with same mechanism; SNAP-8 ~30% more potent; may be redundant when combined.
synergistic
++
Leuphasyl
Research shows 47% total inhibition combined vs 38% and 7% independently.
synergistic
+
GHK-Cu
Complementary mechanisms—SNAP-8 reduces expression lines; GHK-Cu promotes collagen synthesis.
compatible
++
Hyaluronic Acid
Excellent combination; hydration and plumping effects enhance wrinkle reduction.
synergistic
+
Niacinamide
Safe together; niacinamide calms barrier while SNAP-8 targets expression lines.
compatible
~
Retinol
Both potent actives; introduce slowly or use separately (SNAP-8 morning, retinol evening).
monitor
~
Vitamin C (L-Ascorbic Acid)
pH differences may affect stability; use Vitamin C morning, SNAP-8 evening.
monitor
~
AHA/BHA Acids
Acids destabilize peptides; use at different times—acids morning, peptides evening.
monitor
++
Matrixyl
Complementary anti-aging—Matrixyl stimulates collagen; SNAP-8 relaxes muscles.
synergistic

What to Expect

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

Side Effects & Safety

Common Side Effects

  • Mild irritation or redness (especially at 5-10% concentrations initially)
  • Minimal risk on sensitive periorbital areas

Stop Signs - Discontinue if:

  • 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

Quality Checklist

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

Bad Signs

  • Cloudy or discolored solution—indicates degradation or contamination
  • Strong odor or unusual smell—suggests contamination or degradation

References

  • 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.

Related Peptides

GHK-Cu compatible

Complementary mechanisms—SNAP-8 reduces expression lines; GHK-Cu promotes collagen synthesis.

Disclaimer

This information is for educational and research purposes only. Consult a healthcare professional before use.