8 months ago
So, if you know anything about Vitamin C, you know it’s HIGHLY unstable (particularly in the L-AA form). It oxidizes quickly and loses efficacy. Additionally, some studies show that oxidized product can be bad for your skin. Adding ferulic acid helps stabilize Vit C products, but it’s still not something you should stockpile.
Drunk Elephant’s C-Firma has a reputation for oxidizing …Read more