Sodium Sulfate — Allergy Risk & Safety Profile
INCI: SODIUM SULFATE
Key Facts
- CAS Number
- 7757-82-6
- Category
- filler
- Risk Level
- low
- Common Allergen
- No
- Found In
- bath bomb, soap
Is Sodium Sulfate safe in cosmetics?
Sodium Sulfate 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 bath bomb, soap.
What is Sodium Sulfate?
Sodium Sulfate is a filler commonly used in cosmetic and personal care products. It is generally considered safe for use in cosmetics at recommended concentrations.
Allergy & Safety Information
Sodium Sulfate is considered safe for cosmetic use at typical concentrations.
This ingredient is considered low risk from an allergenicity perspective. Reactions are uncommon at typical cosmetic use concentrations. However, no ingredient is universally safe — if you notice redness, itching, or irritation after using a product containing this ingredient, discontinue use and monitor whether symptoms resolve.
How to Identify Sodium Sulfate in Products
Cosmetic ingredients are listed by their INCI (International Nomenclature of Cosmetic Ingredients) name in descending order of concentration. To check whether a product contains Sodium Sulfate, scan the ingredient list for its INCI name exactly as it appears above. Ingredients present at 1% or less may appear in any order after the 1% threshold.
Product types to prioritise checking: Bath bomb, Soap. These product categories are the most common sources of Sodium Sulfate exposure based on formulation data.
Not sure if your products contain Sodium Sulfate? Paste the ingredient list into the free ingredient checker to scan for Sodium Sulfate and other allergens automatically.
Frequently Asked Questions
Is Sodium Sulfate safe for sensitive skin?
Sodium Sulfate is generally well-tolerated, even by sensitive skin.
What products contain Sodium Sulfate?
Sodium Sulfate is commonly found in bath bomb, soap.
What does Sodium Sulfate do in cosmetics?
Sodium Sulfate functions as a filler in formulations.
Related Guides
Is Sodium Sulfate causing YOUR skin reactions?
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