Propylene Glycol vs Ethylene Glycol Guide - Alliance Chemical
Propylene glycol (PG) is a versatile chemical used in everything from skincare and food to industrial HVAC systems. Because its use depends entirely on its purity, knowing where to buy it—and which grade to look for—is essential. Where to Buy Propylene Glycol
You can purchase propylene glycol through three main channels, depending on how much you need and what you plan to do with it. 1. Online Marketplaces (Best for Small Quantities)
For DIY projects like soap making, skincare, or cigar humidors, online retailers offer the most convenience.