Journal

On the serum, its ingredients and its design.

Short pieces, explained simply.

• October 6, 2026 Why is the serum blue?Why our copper peptide serum is blue, why nothing is added for colour, and why we chose a clear bottle to show it.Read more →
• October 5, 2026 What is GHK-Cu?GHK-Cu, or copper tripeptide-1, is a small copper-bound peptide used in skincare as a skin-conditioning ingredient. The copper in the peptide is what gives the serum its clear blue tone – no colour is added.Read more →