Tungsten Disulfide

INCI: TUNGSTEN DISULFIDE

CAS Number
12138-09-9
Function
Not widely established in cosmetics; potential as a lubricant/slip agent (industrial applications primarily)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically regulated for cosmetic use

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Very limited cosmetic use history; nanoparticle forms may present different risk profiles; no SCCS or CIR safety opinion available; inhalation risk if used in powder/spray products

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Concern Level: Moderate

Frequently Asked Questions

Is Tungsten Disulfide safe in cosmetics?

Very limited cosmetic use history; nanoparticle forms may present different risk profiles; no SCCS or CIR safety opinion available; inhalation risk if used in powder/spray products The EU classifies Tungsten Disulfide as "permitted". Safety rating: MODERATE.

Is Tungsten Disulfide allowed in the EU?

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

What does Tungsten Disulfide do in cosmetics?

Tungsten Disulfide functions as: Not widely established in cosmetics; potential as a lubricant/slip agent (industrial applications primarily). It is classified as a cosmetic ingredient in our database. CAS number: 12138-09-9.

What is the Margin of Safety for Tungsten Disulfide?

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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