Sodium Sulfate

INCI: SODIUM SULFATE

CAS Number
7757-82-6 (anhydrous); 7727-73-3 (decahydrate/Glauber's salt)
Function
Viscosity increasing agent (aqueous); bulking agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Safe as determined by CIR Expert Panel in present practices of use and concentration

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

May be drying at high concentrations; can cause mild irritation in rinse-off products if formulated improperly; generally well-tolerated

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Concern Level: Moderate

Regulatory Flags

jecfa_safe

Frequently Asked Questions

Is Sodium Sulfate safe in cosmetics?

May be drying at high concentrations; can cause mild irritation in rinse-off products if formulated improperly; generally well-tolerated The EU classifies Sodium Sulfate as "permitted". Safety rating: GOOD.

Is Sodium Sulfate allowed in the EU?

Sodium Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Sulfate do in cosmetics?

Sodium Sulfate functions as: Viscosity increasing agent (aqueous); bulking agent. It is classified as a cosmetic ingredient in our database. CAS number: 7757-82-6 (anhydrous); 7727-73-3 (decahydrate/Glauber's salt).

What is the Margin of Safety for Sodium Sulfate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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