Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
EU regulatory caution: Has inherent antimicrobial activity but is not on Annex V. If used in EU, must be claimed and justified for a function other than preservation (conditioning, film forming). If it contributes to preservation, document carefully to avoid regulatory challenge.
Regulatory Flags
Frequently Asked Questions
Is Polyquaternium-1 safe in cosmetics?
EU regulatory caution: Has inherent antimicrobial activity but is not on Annex V. If used in EU, must be claimed and justified for a function other than preservation (conditioning, film forming). If it contributes to preservation, document carefully to avoid regulatory challenge. The EU classifies Polyquaternium-1 as "permitted". Safety rating: GOOD.
Is Polyquaternium-1 allowed in the EU?
Polyquaternium-1 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyquaternium-1 do in cosmetics?
Polyquaternium-1 functions as: Antimicrobial, hair conditioning, film forming, antistatic. It is classified as a cosmetic ingredient in our database. CAS number: 75345-27-6.
What is the Margin of Safety for Polyquaternium-1?
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.
Compliance Tools
Check Polyquaternium-1 compliance across multiple jurisdictions:
Related Ingredients
Is Polyquaternium-1 in Your Products?
Scan any product label with Piro โ our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free โAnalyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Polyquaternium-1 in your formulation.