๐ฏ At a Glance
๐ฌ How It Actually Works
The sodium salt of benzoic acid. It is an effective preservative against bacteria and fungi, but only works if the product has a low (acidic) pH.
๐ Why your skin loves it
Prevents bacterial contamination in your serums and toners.
๐ก Pro Tip
You will often find this in Vitamin C or exfoliating acid serums due to their naturally low pH.
โ๏ธ Myth vs. Fact
Mixed with Vitamin C, it creates toxic benzene.
This requires high heat, UV light, and specific metallic catalysts not present in standard skincare storage.