How to Read a Cosmetic Stability Test Report (What Founders Should Demand From Their Manufacturer)
A stability report is the document that proves your product will still be safe, effective and unchanged twelve months after it leaves the lab — and if you can’t read one, you’re trusting your brand’s reputation to a page you don’t understand. Here’s the plain version: a proper report combines accelerated testing (a fast prediction, […]
Peptides in Skincare, Explained by a Formulator: What GHK-Cu, Matrixyl and Argireline Actually Do
Peptides are short chains of amino acids – the same building blocks that make up the proteins in your skin — and in a well-made cosmetic formulation they act as messengers that tell skin cells to produce more collagen, repair tissue, or relax tension. They aren’t a single ingredient with a single effect; they’re a […]