Moderate Cosmetic Ingredient

Lithium Carbonate

INCI: LITHIUM CARBONATE

CAS Number
554-13-2 [^1_5]
Function
Buffering agent
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted in cosmetics; also an FDA-approved pharmaceutical (Schedule Rx for bipolar disorder); no specific CFR cosmetic prohibition

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Lithium carbonate is permitted in cosmetics at trace levels but requires concentration control due to potential systemic toxicity at therapeutic doses; reproductive category 1A concern exists from pharmaceutical data but is not a direct cosmetic issue when used as a buffering agent at low concentrations.

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Concern Level: Moderate

Regulatory Flags

prop65

Frequently Asked Questions

Is Lithium Carbonate safe in cosmetics?

Lithium carbonate is permitted in cosmetics at trace levels but requires concentration control due to potential systemic toxicity at therapeutic doses; reproductive category 1A concern exists from pharmaceutical data but is not a direct cosmetic issue when used as a buffering agent at low concentrations. The EU classifies Lithium Carbonate as "permitted". Safety rating: MODERATE.

Is Lithium Carbonate allowed in the EU?

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

What does Lithium Carbonate do in cosmetics?

Lithium Carbonate functions as: Buffering agent. It is classified as a cosmetic ingredient in our database. CAS number: 554-13-2 [^1_5].

What is the Margin of Safety for Lithium Carbonate?

adequate 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.

Compliance Tools

Check Lithium Carbonate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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