Ingredient
Arginine
An amino acid used in oral care and in some skin and hair products.
What it is there to do
Conditioning agent
Improves how skin or hair feels and behaves.
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.