Peptide · Cosmetic peptide

Acetyl Tetrapeptide-9

Cosmetic peptide
Aliases · Dermican · Acetyl tetrapeptide 9

A cosmetic peptide marketed for firmness and dermal support. Peptide-specific clinical evidence is sparse and is mainly embedded in multi-ingredient formulations.

Human
0/5
Animal
0/5
In-vitro
0/5
Safety
0/5
Last reviewed · 7/11/2026
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Last reviewed7/11/2026
Evidence statusEarly entry
Published references0
Trust signal panel
Evidence & safety
  • Human evidence
    n/a
  • Animal evidence
    n/a
  • Mechanistic
    n/a
  • Safety knowledge
    n/a
  • Editorial confidence
    2/5
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01

Evidence Snapshot

Evidence snapshot · 0 verified refs
Overall
0/5None identified
Human
0/5None identified
Animal
0/5None identified
In-vitro
0/5None identified
Safety
0/5None identified
02

Scientific identity

Peptide family
Dermal matrix cosmetic peptide
Entity class
Cosmetic peptide
Alternative names
DermicanAcetyl tetrapeptide 9
Discovery history

Developed as a topical cosmetic peptide under the trade name Dermican, with proposed effects on dermal matrix organisation.

02

Proposed Mechanisms

03

Reported / Studied Uses

04

Human Evidence

No robust independent randomized trial isolating acetyl tetrapeptide-9 was identified.

05

Animal Evidence

No robust animal evidence specific to routine cosmetic use was identified.

Species translation to humans is uncertain.
06

Safety & Unknowns

topical-cosmeticinsufficient-independent-evidenceformulation-dependent
Topical irritation or sensitisation is possible. Ingredient-specific long-term safety and efficacy evidence is limited.
07

Regulatory Status

CountryStatusNotes
08

Community Observations

No approved community reports yet. Submit one. Aggregate data is observational only.
09

References

  • No verified references linked yet. Editors will add primary sources.
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Full Disclaimer

This page is for educational information only. It does not constitute medical advice, diagnosis, treatment, dosing guidance, or a recommendation to use any peptide, medicine or research chemical. Many peptides discussed on Atlas are not approved for human use in most jurisdictions and may have limited or unknown long-term safety data.

Community observations shown on this page are anonymised, moderated and observational only. They do not establish safety or effectiveness.

Always consult a qualified healthcare professional before making decisions about your health. See medical disclaimer and methodology.

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ImportantPeptiBrief is an educational information platform. It does not diagnose, prescribe, sell peptides, recommend dosing, encourage self-experimentation or replace qualified medical care. Published scientific evidence is kept separate from community observations and uncertainty.