Sodium Sulfate

Sodium Sulfate is an inorganic sodium salt of sulfuric acid that dissolves readily in water. In personal care, it serves as a bulking and processing aid, adjusting viscosity and supporting cleansing in rinse-off products.
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Ingredient Snapshot

Overview
A simple salt used to adjust thickness in rinse-off cleansers.
Category
Cleansing
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It contributes to a cleaner rinse and a refreshed feel in rinse-off formulas, and helps formulas feel lighter on the skin or hair.

Uses In Skincare & Cosmetics

It's found in shampoos, body washes, bar soaps, and facial cleansers to adjust thickness and improve the cleansing experience.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

It's generally safe in rinse-off use, but may contribute to dryness or mild irritation, especially with frequent washing or compromised barriers. Avoid direct eye contact.

Is Sodium Sulfate a Good Ingredient?

It rates Fair: it's useful for viscosity and cleansing support in rinse-off products, but it offers little direct skin benefit and can be drying or irritating for sensitive or very dry skin at higher levels.