CosmeticModerate Evidence

Palmitoyl Tripeptide

Also known as: Pal-GHK, Biopeptide-CL

Palmitoylated tripeptide that enhances skin penetration and stimulates collagen synthesis for anti-aging.

Benefits

6

Conditions

5

Evidence

Cosmetic clinical trials, in vitro studies+ studies

Source

Synthetic palmitoylated tripeptide

Overview

Palmitoylated tripeptide that enhances skin penetration and stimulates collagen synthesis for anti-aging.

Mechanism of Action

Palmitic acid attachment enhances lipid membrane penetration, signals fibroblasts to increase collagen I and III production, stimulates glycosaminoglycan synthesis, promotes tissue remodeling and repair.

Key Benefits

  • Enhanced collagen production
  • Improved skin firmness
  • Wrinkle reduction
  • Better skin texture
  • Increased dermal thickness
  • Enhanced penetration vs non-palmitoylated peptides

Clinical Applications

Aging skinWrinkles and fine linesLoss of firmnessThin skinPhotodamage

Dosing Guidelines

Topical serum/cream

Typical Dose2-5% concentration
FrequencyOnce or twice daily
DurationOngoing for maintenance

* Dosing should be individualized. Always consult with a qualified healthcare practitioner.

Research & Evidence

Evidence Level
Moderate
Studies

Cosmetic clinical trials, in vitro studies

Summary

Clinical trials show improvements in wrinkle depth and skin elasticity. Well-studied cosmetic ingredient. Palmitoylation enhances efficacy vs non-modified peptides.

Safety Information

Potential Side Effects

  • Minimal
  • Rare skin irritation

Contraindications

  • Allergy to ingredients

Interactions

  • Synergistic with retinoids and vitamin C

Quick Facts

CategoryCosmetic
SourceSynthetic palmitoylated tripeptide
Legal StatusApproved cosmetic ingredient
Gabriel Brain Score
75/ 100

Source Your Protocol

Our preferred peptide partner offers lab-tested, COA-verified peptides with optional physician oversight. Sourced from US-regulated facilities.