Does the Percentage of Copper Peptide Matter?
Why a copper peptide percentage on its own tells you very little, what actually determines how a formula behaves, and what we disclose.
The pep patch team · 5 min read
Journal
copper peptides
Everything we've published under Copper peptides.
Can You Use Copper Peptides and Vitamin C Together?
The internet says copper peptides and vitamin C cancel each other out. Here's where that advice came from, what formulators actually consider, and a simple approach.
The pep patch team · 5 min read
Copper Peptides vs Caffeine in Eye Products
Copper peptides and caffeine do different jobs in an eye product. Here's what each is used for cosmetically, and how to use both without overthinking it.
The pep patch team · 4 min read
Copper Peptides for the Under-Eye Area: What They Do and Don't Do
What copper peptides are formulated to do around the eyes, what they can't reach, and where a fifteen-minute patch fits into a real routine.
The pep patch team · 6 min read
What Is GHK-Cu? A Plain-English Guide to the Copper Peptide
GHK-Cu is a copper-bound tripeptide used in skincare as a conditioning agent. Here's what it is, why it's blue, and what it does in an under-eye patch.
The pep patch team · 5 min read