Sodium Hydroxide at a Glance
- Used in very small amounts to adjust a formula's pH
- Helps active ingredients remain stable and effective
- Common across serums, cleansers and moisturisers
What Is Sodium Hydroxide?
In skincare, sodium hydroxide is used in trace amounts purely to balance a formula's pH, ensuring it's comfortable on skin and that other active ingredients remain stable and effective.
It appears in this supporting role across many ASI formulas, including the Multi Peptide Serum, Vitamin C Serum and Vitamin B3 Complex.