Matrixyl

Skincare

Also known as: Palmitoyl Pentapeptide-4, Pal-KTTKS

Well-Studied

What is Matrixyl?

Anti-aging collagen stimulator widely used in anti-aging serums. One of the most well-studied cosmetic peptides with a strong track record for reducing fine lines.

How it works

Signals fibroblasts to produce more collagen and fibronectin by mimicking fragments of the extracellular matrix, triggering a wound-repair response without actual damage.

What marketers claim

  • reduces wrinkles dramatically
  • firms skin
  • replaces Botox
  • reverses aging

What evidence supports

  • stimulates collagen I and fibronectin production in fibroblasts
  • may reduce wrinkle depth with consistent use over 8–12 weeks
  • well-tolerated in clinical studies

Best for

fine linesaging skinanti-aging prevention

Safety notes & concerns

  • rarely irritating but possible with very sensitive skin
  • results take 8–12 weeks of consistent use
  • not a Botox replacement — mechanism and effect strength are very different
  • efficacy depends heavily on formulation stability

Pairs well with

hyaluronic acidniacinamidevitamin C

Use caution with

generally compatible with most ingredients

Products containing Matrixyl

The Ordinary

Buffet

Serum

Best-value multi-peptide serum; stacks Matrixyl, Argireline, and multiple supporting peptides in one affordable formula

MatrixylArgirelinePalmitoyl Tripeptide-1+1 more
$17.0030ml
4.2

Drunk Elephant

Protini Polypeptide Cream

Cream

Premium signal peptide moisturiser beloved by dermatologists for its clean formulation and results in mature and sensitive skin

MatrixylPalmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7
$68.0050ml
4.5

Paula's Choice

Peptide Booster

Serum

Concentrated multi-peptide booster designed to be mixed into any existing moisturiser or serum for a customisable dose of anti-aging peptides

MatrixylArgirelinePalmitoyl Tripeptide-1+1 more
$46.0020ml
4.3

Olay

Regenerist Micro-Sculpting Cream

Cream

Drugstore-accessible peptide moisturiser with one of the best price-to-performance ratios; backed by Olay's substantial independent clinical research programme

MatrixylPalmitoyl Tripeptide-1
$29.0050ml
4.1

Peter Thomas Roth

Peptide 21 Wrinkle Resist Serum

Serum

Broad-spectrum 21-peptide complex covering signal, carrier, and neurotransmitter-inhibiting peptide classes in one mid-range serum

MatrixylArgirelinePalmitoyl Tripeptide-1+1 more
$48.0030ml
4.0

CeraVe

Skin Renewing Cream Serum

Cream

Most accessible peptide + ceramide formula available; developed with dermatologists and designed to strengthen the skin barrier alongside anti-aging peptides

MatrixylPalmitoyl Tripeptide-1
$20.0048ml
4.3

The Ordinary

Multi-Peptide Serum for Hair Density

Serum

Budget scalp peptide serum combining three researched hair-density complexes (Procapil, REDENSYL, AnaGain) with GHK-Cu; one of the most affordable hair peptide products available

MatrixylGHK-CuPalmitoyl Tripeptide-1
$21.0060ml
3.9

SkinMedica

TNS Advanced+ Serum

Serum

The most clinically referenced physician-dispensed growth factor + peptide serum; SkinMedica's flagship product with extensive dermatologist recommendations and independent peer-reviewed publications

MatrixylGHK-CuPalmitoyl Tripeptide-1
$295.0028.4g
4.6

Last updated: 2025-03-01

Medical Disclaimer

The information on this site is for educational and informational purposes only. It is not intended as medical advice and should not be used to diagnose, treat, or prevent any condition. Always consult with a qualified healthcare professional before starting any new supplement, peptide, or treatment protocol.