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Moumoujus

HEPTAPEPTIDE-3.

Valuable / SKIN CONDITIONING

Heptapeptide-3, often identified as Acetyl Octapeptide-3 (SNAP-8), is a precision biomimetic peptide engineered to topically address the appearance of dynamic wrinkles. It functions by subtly moderating the muscle contractions responsible for expression lines, offering a visible smoothing effect and assisting in the prevention of new wrinkle formation.

Summary

Reduces appearance of expression lines Prevents new wrinkle formation Cell-communicating ingredient Moisturizer/humectant

Science

Mechanism of Action

This neuropeptide operates by structurally mimicking a segment of the SNAP-25 protein, a key component in the formation of the SNARE complex. By competitively interfering with SNARE complex assembly, Heptapeptide-3 effectively reduces the release of acetylcholine, a primary neurotransmitter. This targeted action leads to a measured attenuation of muscle contraction, thereby visibly diminishing the depth and prominence of expression lines and wrinkles, providing a mild, reversible 'Botox-like' cosmetic effect without inducing muscle paralysis.

Research

Clinical Evidence

High confidence
Effective range 0.005–10%
Optimal

10%

Key findings

  1. 01 A 10% solution (containing 0.005% pure peptide powder) applied twice daily for 28 days demonstrated a 34.98% reduction in wrinkles in a study involving 17 women.
  2. 02 Regular twice-daily application of a 10% solution resulted in a reduction of wrinkle depth by up to 63% over 30 days in in vivo studies.
  3. 03 In vitro assays indicated a 43% inhibition of glutamate release at a 1.5 mM concentration.

Transparency

Dusting Analysis

Commonly dusted
Min. effective
0.005%
Red flag below
0.001%

While clinical studies frequently cite the efficacy of a 10% peptide solution, it is important to note that the pure peptide concentration within such solutions is significantly lower (e.g., 0.005%). Products listing 'Heptapeptide-3' without specifying it as a solution, or without detailing the pure peptide content, might mislead consumers into believing a higher active concentration is present, potentially indicating an underdosed or 'dusted' formulation.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

For long-term preservation, the lyophilized powder must be stored below -20°C in a sealed container with a desiccant to prevent degradation, bacterial growth, oxidation, and secondary structure formation. Prepared solutions require storage in a cool, dark environment or refrigeration after opening, as peptides are susceptible to light and environmental degradation.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
10%
Sensitization risk Low

This research data focuses on Acetyl Octapeptide-3 (SNAP-8), an 8-amino acid peptide, which is often referenced interchangeably with Heptapeptide-3. It exhibits excellent tolerability, confirmed in clinical studies lasting up to 12 weeks. While generally well-tolerated, some individuals may experience mild irritation or redness, particularly when used in high concentrations or in conjunction with other potent active ingredients like retinoids or exfoliating acids.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

Heptapeptide-3, often recognized as Acetyl Octapeptide-3 (SNAP-8), is a valuable neuropeptide that precisely targets dynamic wrinkles, offering significant and reversible smoothing by modulating muscle contractions without paralysis.

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