Ingredient
Sodium Hydroxide
Used in very small amounts to adjust acidity. It is fully reacted in the finished product.
- CAS 1310-73-2
What it is there to do
pH adjuster
Brings the formula to its intended acidity.
What we don't know
- Where it comes from — plant, mineral, synthetic — isn't recorded.
- No published rule in our reference names it. That is about the rules, not safety.
- How much of it is used in any particular product. We hold no concentrations at all.
This is information about an ingredient, not medical advice, and not a judgement about any product that contains it. Back to the reference.