Bacteriostatic Water vs Sterile Water: What Is the Difference?
Bacteriostatic water vs sterile water comes down to one ingredient: a preservative. Both start as sterile water, but bacteriostatic water contains benzyl alcohol, which slows bacterial growth after the vial has been opened. That single difference affects how long a vial can be used and which laboratory methods it suits. What is bacteriostatic water? Bacteriostatic […]
What Is GHK-Cu? A Guide to Copper Tripeptide-1 in Skincare
What is GHK-Cu? It is a small peptide bound to copper, used as an ingredient in serums and creams. On a cosmetic ingredient list it appears under its INCI name, Copper Tripeptide-1. This guide explains what it is, how formulators work with it, and how far the evidence goes. What is GHK-Cu made of? GHK […]
How to Read a Food Supplement Label in the UK
A food supplement label tells you what a product contains and how much of it you get per serving. It also tells you how the product should be used. In England, some of this information is a legal requirement, so knowing what to look for makes products much easier to compare. What must a food […]