Is Potassium Aspartate safe in cosmetics?
Potassium Aspartate has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Potassium Aspartate
Also known as: L-Aspartic acid, potassium salt (1:1), Aspara K, L-Aspartic acid, monopotassium salt, Aspartic acid monopotassium salt, Potassium hydrogen aspartate (+3 more)
INCI: POTASSIUM ASPARTATE
Potassium Aspartate (CAS 1115-63-5) is a cosmetic cosmetic ingredient functioning as Skin conditioning, hair conditioning, buffering agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
View industrial chemical safety profile for CAS 1115-63-5 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning, hair conditioning, buffering agent
Safety Rating
EXCELLENT
Chemistry & Identifiers
IUPAC Name
potassium (2S)-2-amino-4-hydroxy-4-oxobutanoate
InChIKey
TXXVQZSTAVIHFD-DKWTVANSSA-M
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific CIR review as individual ingredient; aspartic acid is GRAS as a food ingredient; considered safe in cosmetics
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Potassium Aspartate.
Calculate MoS for your specific formulation with the MoS Calculator.
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Potassium Aspartate.
Known Synonyms
L-Aspartic acid, potassium salt (1:1)
Aspara K
L-Aspartic acid, monopotassium salt
Aspartic acid monopotassium salt
Potassium hydrogen aspartate
Aspartic acid, monopotassium salt, L-
EINECS 214-226-4
UNII-E9VW2509NH
Chemical Function
Softener and conditioner
Regulatory Lists
Canada; Personal care; Substances in PCP - Canada (4/2014)
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA count match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
Adverse Event Associations
1417
Frequently Asked Questions
Is Potassium Aspartate allowed in the EU?
Potassium Aspartate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Potassium Aspartate do in cosmetics?
Potassium Aspartate functions as: Skin conditioning, hair conditioning, buffering agent. It is classified as a cosmetic ingredient in our database. CAS number: 1115-63-5.
Is Potassium Aspartate used outside cosmetics?
Potassium Aspartate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Potassium Aspartate 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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POTASSIUM COCOYL (ARGININE/GLUTAMIC ACID/ISOLEUCINE/LEUCINE/LYSINE/PHENYLALANINE/PROLINE/THREONINE/VALINE)
Good
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