Palmitoyl tripeptide-1Cosmetic ingredient
Palmitoyl tripeptide-1 combines a short peptide with a fatty chain and appears in skincare products intended to support a smoother-looking skin matrix. It is often paired with another peptide in Matrixyl 3000.
What is Palmitoyl tripeptide-1?
Palmitoyl tripeptide-1 consists of the glycine–histidine–lysine sequence with an attached fatty chain. It appears in skincare products and is paired with palmitoyl tetrapeptide-7 in Matrixyl 3000.
How it works
The proposed rationale concerns signalling related to the extracellular matrix. Stability, delivery through skin and the serum vehicle affect whether laboratory activity translates into a visible change.
Effects studied
Skin appearance with Matrixyl 3000 formulas
The retained formulation study cannot isolate this peptide from its partner or from other active and moisturising ingredients. A result for the complete serum should be described as such. 1
Evidence: Combined-formula clinical lead.
What does the evidence show?
The retained sources concern cosmetic formulations and peptide delivery. Evidence from a blend cannot isolate this ingredient’s contribution or establish equivalence to copper tripeptide-1.
A small sequence with different attachments
The underlying tripeptide is associated with the amino-acid sequence glycine–histidine–lysine. Here it carries a palmitoyl group. Copper tripeptide-1 instead describes a copper complex. Those changes matter to an ingredient’s behaviour, so papers about one preparation should not be relabelled as proof for the other.
Why it is used in cosmetics
The proposed rationale centres on signals related to the extracellular matrix. Laboratory activity provides a lead for research into appearance, but visible improvement requires testing in people. Skin penetration, stability and the vehicle used in a serum all affect whether an experimental result is relevant to a retail product.
Reading research on Matrixyl 3000
The blend combines this ingredient with palmitoyl tetrapeptide-7. A clinical result for a formula containing both cannot establish that either would produce the same result alone. Other moisturising or active ingredients may also contribute. 1
A product-level decision
Assessing a finished formula means asking how it was tested, what changed and whether the difference was visible. “Collagen support” alone answers none of these questions. Tolerability also depends on the formula. Evidence from topical cosmetics cannot be applied to injections sold under related peptide names.
Safety & status
Tolerability depends on the complete product. Topical cosmetic evidence should not be transferred to injections sold under related peptide names.
Country and product status
This page describes a cosmetic ingredient and its research context. Permitted claims and product availability in Germany and Switzerland need a local check. An ingredient listing does not establish approval to treat a medical condition.
Frequently asked questions
Is this a copper peptide?
No. Palmitoyl tripeptide-1 carries a fatty group; copper tripeptide-1 is a copper complex of the related GHK sequence.
Would the peptide alone produce the same result as Matrixyl 3000?
That cannot be concluded from a study of the blend. The ingredients would need an appropriate separate comparison.
Sources
This entry was rewritten from our research archive. References below are reading leads unless a completed check is explicitly noted; a full independent evidence and regulatory review is still pending.
- Palmitoyl tripeptide-1: paper 10.1111/jocd.15849 Research reference · Retained archive reference; not independently checked for this draft.
- Palmitoyl tripeptide-1: paper 10.1111/ics.12770 Research reference · Retained archive reference; not independently checked for this draft.
Research provenance
This name was discovered in the Superpower peptide index, archived 26 October 2026. Its ratings and reviewer attribution have not been adopted as our own. The archive informed this original editorial draft; independent source review is still pending.