Polyquaternium-4/Hydroxypropyl Starch Copolymer
INCI: POLYQUATERNIUM-4/HYDROXYPROPYL STARCH COPOLYMER
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
No dedicated safety assessment. DADMAC monomer residuals should be controlled (as with PQ-4 base). Natural starch component may have variable sourcing — allergen documentation recommended.
Regulatory Flags
Frequently Asked Questions
Is Polyquaternium-4/Hydroxypropyl Starch Copolymer safe in cosmetics?
No dedicated safety assessment. DADMAC monomer residuals should be controlled (as with PQ-4 base). Natural starch component may have variable sourcing — allergen documentation recommended. The EU classifies Polyquaternium-4/Hydroxypropyl Starch Copolymer as "permitted". Safety rating: GOOD.
Is Polyquaternium-4/Hydroxypropyl Starch Copolymer allowed in the EU?
Polyquaternium-4/Hydroxypropyl Starch Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyquaternium-4/Hydroxypropyl Starch Copolymer do in cosmetics?
Polyquaternium-4/Hydroxypropyl Starch Copolymer functions as: Film Forming, Hair Conditioning, Viscosity Control. It is classified as a cosmetic ingredient in our database. CAS number: Not established as a single CAS (composite copolymer INCI).
What is the Margin of Safety for Polyquaternium-4/Hydroxypropyl Starch Copolymer?
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
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Related Ingredients
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