by Marie | Feb 19, 2026
I’m definitely feeling excited about including polyquaternium 7 in more formulations now!
My verdict on this one: if you're placing an order somewhere that sells it, chuck some in your cart 😄
This is a super versatile, multi-functional ingredient that's worth adding to your formulation pantry if you can get your hands on it. It is a…
Alas, availability for this one isn't great, but we also dug into the component ingredients a bit, so if you come across another natural preservative…
Make it Up: The Essential Guide to DIY Makeup and Skin Care is now available at booksellers all over the world!