For laboratory research use only — not for human or veterinary consumption.
The Peptide Index
Dosing guide

Matrixyl Dosage Chart & Schedule

Matrixyl (palmitoyl pentapeptide-4, Pal-KTTKS) is a topical cosmetic peptide built from a procollagen-derived KTTKS sequence conjugated to a palmitic-acid chain for skin penetration. It is used in anti-aging skincare to support the appearance of firmness and fine lines, based mainly on cosmetic clinical testing.

Route
Topical
Frequency
1-2x daily topical
Half-life
Not applicable as a systemic drug
Storage
Store cool and away from light; keep the finished formulation sealed.
The short answer

Matrixyl (palmitoyl pentapeptide-4, Pal-KTTKS) is a topical cosmetic peptide, not an injectable. It is used at roughly 3-8% of the supplied trade solution in leave-on serums and creams applied daily.

Figures describe how Matrixyl is reported in the research literature and research-community references — not a recommendation for human use. For laboratory research only.

Dosage protocols

Commonly referenced research tiers. Start conservative; every compound and study context differs.

Entry formulation
3-4% of trade solution
Percent of the supplied cosmetic solution in a leave-on base.
Frequency
Once daily
Weekly total
Daily topical use (no systemic dose)
Cycle
Ongoing (cosmetic use)

Lower end for a starter serum.

Most commonStandard formulation
5-8% of trade solution
Percent of the supplied cosmetic solution in a leave-on base.
Frequency
Once or twice daily
Weekly total
Daily topical use (no systemic dose)
Cycle
Ongoing (cosmetic use)

Common leave-on concentration; the palmitoyl chain aids penetration through the stratum corneum.

Collagen matrikine with a lipid tail

  • The KTTKS sequence is a procollagen-derived signal fragment reported to prompt fibroblasts to synthesize collagen and matrix components.
  • It is conjugated to palmitic acid (Pal-KTTKS) to increase lipophilicity for topical delivery; combination products such as Matrixyl 3000 pair different palmitoyl peptides.

Ready to run this protocol?

Dosing is only as good as the vial. Research-grade peptides are third-party tested with published COAs from our top-rated source — reconstitute with confidence and skip the guesswork on identity and purity.

Weekly schedule

A typical week on the standard formulation protocol (Once or twice daily).

Mon
Tue
Wed
Thu
Fri
Sat
Sun

Dosing day Off

Handling & storage

  • Supplied as a cosmetic-grade solution or powder for leave-on formulation; it is not reconstituted for injection.
  • Trade solutions are supplied dilute, so a 3-8% use level corresponds to a very small amount of actual peptide.
  • Add to the appropriate phase per the supplier guidance and keep the finished product cool and sealed.
  • Cosmetic ingredient only; no systemic or injectable dosing applies.

Matrixyl dosing FAQ

What concentration of Matrixyl is used?

Cosmetic products commonly use about 3-8% of the supplied trade solution in a leave-on serum or cream applied daily.

Is Matrixyl injected?

No. It is a topical cosmetic peptide; there is no injectable or systemic dosing.

What is Matrixyl 3000?

It is a combination that pairs different palmitoyl peptides (such as Pal-KTTKS with a palmitoyl tetrapeptide) rather than a single ingredient.

Why is Matrixyl attached to a fatty acid?

The palmitoyl (palmitic-acid) chain increases lipophilicity so the peptide can better penetrate the outer skin layer when applied topically.

Sources

Categories: Cosmetic & Skin · Status: Research use only. This page is educational and for laboratory research use only; it is not medical advice.