Is Ammonium Stearate safe in cosmetics?
Ammonium Stearate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
EXCELLENT
Cosmetic Ingredient
Ammonium Stearate
Also known as: Octadecanoic acid, ammonium salt, Octadecanoic acid, ammonium salt (1:1), Stearic acid, ammonium salt, EINECS 213-695-2, UNII-37899330TZ
INCI: AMMONIUM STEARATE
Ammonium Stearate (CAS 1002-89-7) is a cosmetic cosmetic ingredient functioning as Cleansing, surfactant, emulsifying. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Function
Cleansing, surfactant, emulsifying
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; stearic acid salts are well-established, CIR safe-as-used, FDA GRAS for food contact
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ammonium Stearate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Cleaning agent
Emulsifier
Surfactant (surface active agent)
Editorial summary
Preliminary editorial summary for Ammonium Stearate — not a computed safety verdict. See the sourced toxicological data above.
Known Synonyms
Octadecanoic acid, ammonium salt
Octadecanoic acid, ammonium salt (1:1)
Stearic acid, ammonium salt
EINECS 213-695-2
UNII-37899330TZ
Chemical Function
Surfactant (surface active agent)
Emulsifier
Cleaning agent
Regulatory Lists
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Ammonium Stearate allowed in the EU?
Ammonium Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Ammonium Stearate do in cosmetics?
Ammonium Stearate functions as: Cleansing, surfactant, emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 1002-89-7.
Compliance Tools
Check Ammonium Stearate compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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