Hexapeptide-9 vs Matrixyl Synthe'6

Head-to-head comparison of Hexapeptide-9 (Hexapeptide-9) and Matrixyl Synthe'6 (Palmitoyl Tripeptide-38) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyHexapeptide-9Matrixyl Synthe'6
CategorySkin & CosmeticSkin & Cosmetic
Full NameHexapeptide-9Palmitoyl Tripeptide-38
Molecular Weight681.7 Da675.9 Da
Half-LifeN/AN/A
Amino Acids63
Typical Dose0.01-1% in cosmetic formulations0.1-2% in finished skincare products
RouteTopicalTopical
Purity≥98%≥98%
Studies Count1216
Research StatusPre-clinicalPre-clinical

Hexapeptide-9 Benefits

  • skin-repair support
  • collagen-matrix support
  • fine-line appearance reduction
  • topical rejuvenation

Matrixyl Synthe'6 Benefits

  • collagen-supportive skincare
  • fine-line appearance reduction
  • skin-firming support
  • matrix-support formula ingredient

Hexapeptide-9 Dosing

Topical serum/cream 0.01-1%|Apply once or twice daily|Use consistently for visible cosmetic effects

Matrixyl Synthe'6 Dosing

Topical serum/cream 0.1-2%|Apply 1-2x daily|Best used in long-term routines

Hexapeptide-9 Side Effects

  • mild redness
  • temporary stinging
  • sensitivity in reactive skin

Matrixyl Synthe'6 Side Effects

  • mild irritation
  • clogging in heavy formulas
  • rare sensitivity to fatty vehicles

Research Overview

Hexapeptide-9

Hexapeptide-9 appears in scientific and cosmetic literature related to wound repair, cell migration, and extracellular matrix support. The evidence base is smaller than for more established peptides, but it is a real research-backed cosmetic ingredient.

Matrixyl Synthe'6

Palmitoyl tripeptide-38 has a mix of published cosmetic research and formulation data suggesting benefits for skin appearance and matrix-support signaling. Its practical use is as a topical anti-aging ingredient in combination with hydrators and barrier-support agents.

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Common Stacking Partners

Hexapeptide-9 stacks with:

Hyaluronic AcidPanthenolCeramides

Matrixyl Synthe'6 stacks with:

Hyaluronic AcidNiacinamideCeramides
skin-repairtopicalanti-agingpeptidecollagen-supportlipopeptide