Peptides/Skin and hair
Matrixyl
Also sold as Palmitoyl pentapeptide-4, Matrixyl 3000
A collagen-signalling peptide found in a huge number of anti-ageing serums. Gentler than retinol, with smaller and slower results.
At a glance
What people use it for
- Fine lines and early signs of ageing
- Skin firmness and thickness
- A gentler option for skin that cannot tolerate retinoids
How it is taken
Applied to the skin in a serum or moisturiser, usually at 3% to 8% of the trade blend.
Evidence
Mixed human evidence
Good to know
- Results are gradual and modest, and take months rather than weeks
- Very well tolerated, so patience matters more than tolerance here
Matrixyl is a short peptide attached to a fatty acid, which is the part that helps it get through the skin's outer layer. It works by imitating a fragment released when collagen breaks down, which the skin reads as a signal to make more.
What people use it for
General anti-ageing. It appears in a very large share of serums at every price point, often combined with GHK-Cu or hyaluronic acid.
Its real selling point is tolerance. Retinoids work better and have far more evidence, but plenty of people cannot use them without peeling and redness. Matrixyl causes almost no irritation.
What the evidence shows
Manufacturer studies report reductions in wrinkle depth over two to three months, and the collagen-signalling mechanism is well characterised. Independent replication is thinner, and effect sizes are consistently described as modest.
That combination is typical of cosmetic peptides. The biology is genuine, the clinical difference is small, and both statements are true at once.
What to know before
Give it time. This is not an active with a visible turning point; it accumulates over months.
If your skin tolerates a retinoid, that will do more. Matrixyl is the sensible choice when it does not, or as something to layer alongside.
Last reviewed .