Calcium Sulfide

INCI: CALCIUM SULFIDE

CAS Number
20548-54-3
Function
Depilatory agent
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 6%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Adequate within concentration and pH limits

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Generates H2S in acidic conditions with serious eye irritation and skin irritation risk. Strong alkaline pH. Strictly rinse-off only.

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Concern Level: Moderate

Frequently Asked Questions

Is Calcium Sulfide safe in cosmetics?

Generates H2S in acidic conditions with serious eye irritation and skin irritation risk. Strong alkaline pH. Strictly rinse-off only. The EU classifies Calcium Sulfide as "restricted". Safety rating: MODERATE.

Is Calcium Sulfide allowed in the EU?

Calcium Sulfide EU regulatory status: restricted. Maximum allowed concentration: 6%. This is based on EU Regulation 1223/2009 and its amendments.

What does Calcium Sulfide do in cosmetics?

Calcium Sulfide functions as: Depilatory agent. It is classified as a cosmetic ingredient in our database. CAS number: 20548-54-3.

What is the Margin of Safety for Calcium Sulfide?

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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