Palmitoyl pentapeptide-4
Also called Matrixyl, pal-KTTKS
- Evidence
- Moderate research
- Class
- Signal (collagen) peptide
Palmitoyl pentapeptide-4 belongs to the Signal (collagen) peptide class. This library groups it under skin & aging. Its source category is Cosmetic and topical.
At a glance
| Compound class | Signal (collagen) peptide |
|---|---|
| Associated brands | Matrixyl |
| Body system | Skin & aging |
| Use or research focus | Anti-aging, wrinkles, firmness |
| Regulatory status | Cosmetic ingredient (not FDA-approved drug; sold OTC in skincare) |
| Source evidence rating | Moderate research |
How does Palmitoyl pentapeptide-4 work?
Signals fibroblasts to build collagen/matrix.
The source catalog maps this mechanism to Skin. A biological mechanism describes how a compound interacts with the body; it does not by itself prove a clinical benefit.
What does the evidence tell us?
The source catalog describes an intermediate evidence base. Early clinical findings may leave questions about effectiveness, dose, interactions, and long-term safety. Read the individual studies before drawing conclusions about a specific use.
Use the Citations tab to examine the underlying sources. Look for human studies, a relevant comparison group, meaningful outcomes, and adequate follow-up. An ingredient, approved drug, and compounded preparation may have different evidence.
Safety and considerations
Evidence for a topical cosmetic ingredient does not establish that it is safe to inject or use systemically. Results depend on the finished formulation, concentration, and route of use. Review the product's instructions and discuss persistent irritation with a clinician.
This library is educational and does not provide dosing or treatment instructions. A listing here does not indicate that Peppy offers the compound.
Common questions
What is Palmitoyl pentapeptide-4?
Palmitoyl pentapeptide-4 belongs to the Signal (collagen) peptide class. This library groups it under skin & aging. Its source category is Cosmetic and topical. Its recorded use or research focus is: Anti-aging, wrinkles, firmness.
Is Palmitoyl pentapeptide-4 FDA-approved?
The catalog records: Cosmetic ingredient (not FDA-approved drug; sold OTC in skincare). Check the current product-specific regulatory information in the source links; a source category does not establish approval for every use or formulation.
How strong is the research?
The source catalog describes an intermediate evidence base. Early clinical findings may leave questions about effectiveness, dose, interactions, and long-term safety. Read the individual studies before drawing conclusions about a specific use.
Where can I read the research?
The Citations tab contains 5 reference links from the source dataset. The original research guide provides additional context. These links are a starting point for reading the evidence.
More for skin & aging
Factual catalog fields and citation links are adapted from Superpower’s Palmitoyl pentapeptide-4 guide and the public dataset linked in the reference post. Peppy’s explanations are educational; this page does not represent an independent clinical review of every linked study.
Sources & further reading
References associated with Palmitoyl pentapeptide-4 in the source dataset. Open a source to review its study design, population, limitations, and date.
- 01synthetic peptide designed as a topical skincare agentdoi.org
- 02five amino acid sequencepubmed.ncbi.nlm.nih.gov
- 03cosmetic ingredient under trade names such as Matrixylspecialchem.com
- 04does not approve cosmetics or most cosmetic ingredientsfda.gov
- 05cosmetic and a drugfda.gov