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Formulate with confidence
Recipes, comparisons and tools for building our actives into your own serums, creams and scalp care.
How to use
Formulation guide
Stock solutions, dose ranges and compatibility for every active, as printed on the pouch.
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How to make a GHK‑Cu serum at home
A copper peptide serum in four steps, with kitchen measures.
ReadComparison
GHK‑Cu vs AHK‑Cu
Which copper peptide is for your face and which is for your scalp.
ReadTool
Peptide dosage calculator
The exact amount of stock for any batch size.
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