Is Quaternium-63 safe in cosmetics?
Quaternium-63 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
MODERATE
Cosmetic Ingredient
Quaternium-63
INCI: QUATERNIUM-63
Quaternium-63 (CAS 63393-93-1) is a cosmetic cosmetic ingredient functioning as Antistatic agent, hair conditioning agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 63393-93-1 →
Function
Antistatic agent, hair conditioning agent
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific restriction under FDCA
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Quaternium-63.
Calculate MoS for your specific formulation with the MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Binder
Emulsifier
Fragrance
Softener and conditioner
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Editorial summary
Preliminary editorial summary for Quaternium-63 — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
ifra_fragrance
Chemical Function
Softener and conditioner
Anti-static agent
Emulsifier
Binder
Fragrance
Regulatory Lists
IFRA Transparency
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Quaternium-63 allowed in the EU?
Quaternium-63 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Quaternium-63 do in cosmetics?
Quaternium-63 functions as: Antistatic agent, hair conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 63393-93-1.
Compliance Tools
Check Quaternium-63 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
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
Compare limits across jurisdictions
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