Peptides

Palmitoyl Tripeptide-3

Reviewed by Emma · Last updated 20 Jul 2026

A peptide designed to support skin firmness and elasticity

Best For Skin Types

All, Mature, Dry

Addresses

Fine lines, Elasticity, Firmness

Usage Frequency

Daily

What Is Palmitoyl Tripeptide-3?

Palmitoyl tripeptide-3 is a synthetic peptide—a short chain of amino acids with a fatty acid (palmitic acid) attached to its structure. Peptides are fragments of proteins, and this particular tripeptide is designed to mimic natural signalling molecules in the skin.

In formulations, it functions as a conditioning agent and is included with the intention of supporting skin firmness and resilience. The palmitoyl component helps the peptide penetrate or adhere to the skin barrier more effectively than the peptide alone might.

How It Works

Palmitoyl tripeptide-3 is thought to work through cell signalling—communicating with skin cells to encourage them to produce or maintain structural proteins such as collagen and elastin. By mimicking natural peptides, it may prompt the skin to behave as though it needs to reinforce its structural support.

The attached palmitic acid improves the ingredient's ability to interact with the skin barrier, allowing it to remain in contact with cells long enough to deliver this signal.

Clinical Evidence & References

Research on palmitoyl tripeptide-3 specifically is limited in the published literature. Most evidence comes from in-vitro studies and manufacturer-sponsored trials, which have suggested the ingredient can stimulate collagen production in lab conditions. However, translation to meaningful clinical benefits in living skin remains less well-established.

The ingredient appears in numerous anti-ageing and firming products, suggesting industry confidence in its utility, but independent clinical data on efficacy in human volunteers is sparse. Results, where reported, tend to be modest and require consistent use.

How to Use

Palmitoyl tripeptide-3 is typically found in serums, moisturisers, and eye creams at concentrations suited for daily use. Apply to clean skin morning and evening as part of your routine. It pairs well with other peptides, hydrating ingredients, and antioxidants. Allow the product to absorb fully before applying other treatments, and use consistently for several weeks to assess any changes in skin feel or appearance.

Safety & Precautions

Palmitoyl tripeptide-3 is generally well-tolerated and considered safe for topical use in cosmetics. Allergic reactions are rare, though those sensitive to peptides or specific amino acids may wish to patch-test first.

Frequently Asked Questions

From the Clinic

Not sure what your skin actually needs?

Two minutes, a few questions, and we’ll point you at what matters — no guesswork.

Take the skin quiz

Learn More About Skincare Ingredients

Explore our comprehensive ingredient glossary to understand what's in your products.

Browse All Ingredients

Authorised Stockist

Official UK retailer

Tracked Delivery

Free UK shipping over £50

5 Star Rating

Trusted by thousands

Expert Advice

Free consultations