Eyeseryl vs Matrixyl Synthe'6

Head-to-head comparison of Eyeseryl (Acetyl Tetrapeptide-5) and Matrixyl Synthe'6 (Palmitoyl Tripeptide-38) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyEyeserylMatrixyl Synthe'6
CategorySkin & CosmeticSkin & Cosmetic
Full NameAcetyl Tetrapeptide-5Palmitoyl Tripeptide-38
Molecular Weight492.5 Da675.9 Da
Half-LifeN/AN/A
Amino Acids43
Typical Dose0.5-2% in eye-area cosmetic products0.1-2% in finished skincare products
RouteTopicalTopical
Purity≥98%≥98%
Studies Count1816
Research StatusClinicalPre-clinical

Eyeseryl Benefits

  • under-eye puffiness reduction
  • cosmetic firming support
  • appearance of dark circles
  • eye-area smoothing

Matrixyl Synthe'6 Benefits

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

Eyeseryl Dosing

Topical eye cream 0.5-2%|Apply 1-2x daily under eyes|Use gently on intact skin only

Matrixyl Synthe'6 Dosing

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

Eyeseryl Side Effects

  • eye-area irritation
  • dryness
  • rare contact allergy

Matrixyl Synthe'6 Side Effects

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

Research Overview

Eyeseryl

Acetyl tetrapeptide-5 has topical cosmetic literature and formulation studies focused on edema reduction and eye-contour improvement. It is mainly used for appearance benefits rather than as a systemic therapeutic peptide.

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

Eyeseryl stacks with:

CaffeineHyaluronic AcidCeramides

Matrixyl Synthe'6 stacks with:

Hyaluronic AcidNiacinamideCeramides
eye-caretopicalanti-agingcosmetic-peptidecollagen-supportlipopeptide