Research library
Useful information, without the hype.
Plain-language guides to help you interpret documentation and handle research materials responsibly.
Handling · 4 min read
Storage and handling of lyophilised pepz beauty cosmetics
Temperature, light and moisture: practical guidance for keeping research material stable in the lab.
22 Oct 2026 Methods · 4 min readHPLC and mass spectrometry, explained
A plain-language introduction to the two methods behind most pepz beauty cosmetics purity and identity results.
21 Oct 2026 Guide · 4 min readHow to read a certificate of analysis
What a COA measures, what each analytical method can establish, and what it cannot prove.
20 Oct 2026