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Recipes, comparisons and a dosage calculator.

Stock solutions, dose ranges and compatibility for every active, as printed on the pouch.

A copper peptide serum in four steps, with kitchen measures.

Which copper peptide is for your face and which is for your scalp.

The exact amount of stock for any batch size.

A copper peptide scalp serum, plus doses for shampoo and masks.

An expression-line serum for the eye area, in drops per ounce.

Strength levels in mg per mL, percent and teaspoons.

Purity, peptide content, solvents and the red flags.