Source

Official Product Page — Medik8 Liquid Peptides

Reviewed by SkinKnowledgeBase Editorial TeamLast updated May 18, 2026

Quick Summary

Official Medik8 US product page for Liquid Peptides. Used here as the canonical product-facts source for brand positioning, price context, peptide ingredient callouts, and the published INCI.

Structured source facts
Source typeofficial_product_page

What Studied

Official brand product page, not independent efficacy evidence. It presents Medik8's positioning, ingredient highlights, and consumer-facing copy.

Main Findings

The page positions the serum as a Liquid Peptides 30% Complex Multi-Peptide Age Defying Serum featuring copper peptides. The published INCI lists peptide ingredients including Palmitoyl Tripeptide-5, Acetyl Hexapeptide-8, Tetrapeptide-21, Pentapeptide-18, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Palmitoyl Tetrapeptide-7, Copper Palmitoyl Heptapeptide-14, and Heptapeptide-15 Palmitate, alongside humectants Sodium Hyaluronate, Glycerin, Butylene Glycol, and Panthenol, plus Carnosine and Dunaliella Salina Extract.

Why It Matters

It anchors the Product entity's verified ingredients, brand positioning, and price context. Cosmetic-appearance language on the Question and Product pages is drawn from this source; no medical or efficacy claims are adopted from brand copy.

Original Source

Medik8 USA | Liquid Peptides Serum – Medik8-US

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Source
Official Product Page — Medik8 Liquid Peptides
Quick Summary
Official Medik8 US product page for Liquid Peptides. Used here as the canonical product-facts source for brand positioning, price context, peptide ingredient callouts, and the published INCI.
What Studied
Official brand product page, not independent efficacy evidence. It presents Medik8's positioning, ingredient highlights, and consumer-facing copy.
Main Findings
The page positions the serum as a Liquid Peptides 30% Complex Multi-Peptide Age Defying Serum featuring copper peptides. The published INCI lists peptide ingredients including Palmitoyl Tripeptide-5, Acetyl Hexapeptide-8, Tetrapeptide-21, Pentapeptide-18, Palmitoyl Tripeptide-1, Palmitoyl Tripeptide-38, Palmitoyl Tetrapeptide-7, Copper Palmitoyl Heptapeptide-14, and Heptapeptide-15 Palmitate, alongside humectants Sodium Hyaluronate, Glycerin, Butylene Glycol, and Panthenol, plus Carnosine and Dunaliella Salina Extract.
Why It Matters
It anchors the Product entity's verified ingredients, brand positioning, and price context. Cosmetic-appearance language on the Question and Product pages is drawn from this source; no medical or efficacy claims are adopted from brand copy.
Supports
question_is-medik8-liquid-peptides-any-good, product_medik8-liquid-peptides