Technical Resources

Cosmetic Peptide Purity HPLC Analysis | Bulk Supplier

Stop trusting COA purity numbers without verifying the method. This guide explains cosmetic peptide purity HPLC analysis, teaching you to read chromatograms, set enforceable impurity limits, and avoid disputes caused by undisclosed degradation or inconsistent testing conditions.

Peptide Concentration for Skincare Formulation Guide | Bulk Supplier

Determine the optimal peptide concentration for skincare by balancing solubility limits and formulation stability rather than maximizing percentages. Effective ranges vary significantly, with Argireline at 2-10% and GHK-Cu at 0.05-0.2%, requiring HPLC verification to prevent precipitation and ensure cost-efficient anti-aging performance.