Ingredient
Palmitoyl Pentapeptide-4
An established collagen-signaling peptide benefiting from the 2026 peptide revival.
Category: Peptides
Chemical formula: C39H75N7O10
Main cosmetic effects: Firming; wrinkle-appearance improvement.
Source: Synthetic lipopeptide.
Developer / supplier: Sederma / Croda (Matrixyl®)
Origin: France
Representative product: Olay Regenerist / peptide creams
Approx. retail price (USD): 25-40
Evidence maturity: Moderate evidence
What it does
Firming; wrinkle-appearance improvement.
Notes
Peptides | Moderate evidence