Journal

Field guides for formulators. Notes for founders.

Editorial briefs for cosmetic R&D chemists and indie beauty brand founders — peptide use levels, carrier selection, incompatibilities, INCI naming, and the small set of decisions that separate a serum from a launchable product.

Field Guide

GHK-Cu in 2026 — A Formulator's Field Guide to Copper Tripeptide-1

Use level, carrier compatibility, pH window, the chelator-avoidance shortlist, and three reference formulations. Written for chemists working with Copper Tripeptide-1 in finished serums and creams.

Published May 20, 2026 · 6 min read

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