Sodium Hydroxide
INCI: SODIUM HYDROXIDE
Also known as: Lye, NaOH, Caustic Soda
Key Facts
- CAS Number
- 1310-73-2
- Category
- ph adjuster
- Risk Level
- low
- Common Allergen
- No
- Found In
- all
Is Sodium Hydroxide safe in cosmetics?
Sodium Hydroxide is rated low risk in cosmetic products. It is not classified as a common allergen and is generally well-tolerated by most skin types. Commonly found in all.
What is Sodium Hydroxide?
Lye — used in tiny amounts to adjust pH. Not harmful at cosmetic concentrations.
Allergy & Safety Information
Sodium Hydroxide is considered safe for cosmetic use. No significant safety concerns have been identified at typical use concentrations. As with any cosmetic ingredient, discontinue use if irritation occurs.
Frequently Asked Questions
Is Sodium Hydroxide safe for sensitive skin?
Sodium Hydroxide is generally well-tolerated, even by sensitive skin types.
What products contain Sodium Hydroxide?
Sodium Hydroxide is commonly found in all.
What does Sodium Hydroxide do in cosmetics?
Sodium Hydroxide functions as a ph_adjuster in formulations.
Related Guides
Is Sodium Hydroxide causing YOUR skin reactions?
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