Not approved (research only)Cosmetic lipopeptideSkin research
Palmitoyl tripeptide-1 (Pal-GHK)
Palmitoyl tripeptide-1 (Pal-GHK) is a fatty-acid-linked version of GHK used as a cosmetic ingredient in topical skin products.
What is Palmitoyl tripeptide-1?
Palmitoyl tripeptide-1 (Pal-GHK) is a fatty-acid-linked version of GHK used as a cosmetic ingredient in topical skin products. Palmitoyl tripeptide-1 (Pal-GHK) is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.
Key takeaways
- Palmitoyl tripeptide-1 (Pal-GHK) is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.
- PubMed indexes 3 papers on Palmitoyl tripeptide-1 (0 tagged as clinical trials) as of October 19, 2026.
- 4 vendors in our directory listed Palmitoyl tripeptide-1 in their public catalog on October 19, 2026.
Structure
Regulatory & access status
Palmitoyl tripeptide-1 (Pal-GHK) is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.
Sellers that market unapproved peptides for human use can receive FDA warning letters; our vendor directory links any letter we found on fda.gov.
How much research exists on Palmitoyl tripeptide-1 (Pal-GHK)?
PubMed indexes 3 papers mentioning Palmitoyl tripeptide-1 (Pal-GHK) in the title or abstract, 3 of them from the last five years and 0 tagged as clinical trials (search run October 19, 2026; repeat the search).
Most relevant recent papers
- Targeting Circadian Rhythm for the Regulation of Skin Collagen Metabolism. — J Cosmet Dermatol, 2026
- Permeation behaviour of cosmetic actives into the human stratum corneum. — Int J Pharm, 2026
- Mechanistic understanding and peptide ingredient screening for type III collagen via biological knowledge graph and molecular docking. — Int J Cosmet Sci, 2026
What the evidence does not show
- Paper counts measure research attention, not whether Palmitoyl tripeptide-1 works or is safe.
- No clinical trial in humans is tagged in PubMed under this name.
- No FDA review of any "research use only" product's identity, purity, sterility or dose.
Research suppliers that list Palmitoyl tripeptide-1
4 vendors in our directory listed a product matching Palmitoyl tripeptide-1 in their public catalog on October 19, 2026. Listed alphabetically; a listing is not an endorsement. Research use only.
Prices per mg, where we could verify them, are on our price comparison.
Palmitoyl tripeptide-1 reconstitution math
Lab arithmetic only, not dosing guidance: use the peptide calculator to turn a vial size and diluent volume into a concentration.
Palmitoyl tripeptide-1 FAQ
Is Palmitoyl tripeptide-1 FDA-approved?
Palmitoyl tripeptide-1 (Pal-GHK) is not approved by the FDA for any use; products sold under this name are labeled for research use only, not for human consumption.
Is Palmitoyl tripeptide-1 safe?
There are no published human safety trials of Palmitoyl tripeptide-1 that we could find. Products sold as "research use only" have no FDA review of purity, sterility or dose, and are not for human use.
How much research is there on Palmitoyl tripeptide-1?
PubMed indexes 3 papers on Palmitoyl tripeptide-1 (0 tagged as clinical trials) as of October 19, 2026.
Who sells Palmitoyl tripeptide-1?
Atomik Labz, Biotech Peptides, Core Peptides, Peptide Worldwide listed it on their public catalogs when we checked; a listing is not an endorsement.
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