Polyquaternium-53

INCI: POLYQUATERNIUM-53

Polyquaternium-53 (CAS 84647-38-1) is a cosmetic cosmetic ingredient functioning as Hair Conditioning, Antistatic, Foam Enhancement, Film Forming. EU Regulation 1223/2009 status: restricted, max 0.1 ppm residual acrylamide monomer in leave-on products, 0.5 ppm in rinse-off products.

CAS Number
84647-38-1
Function
Hair Conditioning, Antistatic, Foam Enhancement, Film Forming
Safety Rating
GOOD

Chemistry & Identifiers

Regulatory Status

🇪🇺 EU Status restricted
EU Max Conc. 0.1 ppm residual acrylamide monomer in leave-on products, 0.5 ppm in rinse-off products
🇺🇸 US Status permitted
US Notes No specific FDA restriction. No CIR final assessment for this specific polyquaternium.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Polyquaternium-53 - available to Pro subscribers.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

2 property records from structured ingredient metadata.

hair_care
{"hair_function": "styling", "hair_type_suitability": "all", "curl_pattern_suitability": "curly/coily", "porosity_suitability": "all", "protein_sensitivity": "neutral", "moisture_protein_balance": "yes", "cg_method_approved": "not-a-silicone", "silicone_type": "not-a-sulfate", "sulfate_type": "no", "drying_alcohol": "no", "fatty_alcohol": "no", "heat_protectant": "yes", "color_safe": "neutral", "k…
hair_conditioning
{"cas_number": "161733-89-7", "ingredient_class": "cationic_conditioner", "chemical_type": "polyquaternium", "charge_density_meq_g": "2.5", "substantivity_to_hair": "excellent", "deposition_from_shampoo": "yes", "deposition_from_conditioner": "yes", "conditioning_mechanism": "electrostatic", "hair_penetration": "cuticle", "molecular_weight_effect_on_penetration": "medium_MW", "wet_combing_force_re…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Polyquaternium-53 - available to Pro subscribers.

Regulatory Flags

EU_RESTRICTED

Frequently Asked Questions

Is Polyquaternium-53 safe in cosmetics?

High molecular weight cationic polymer with negligible dermal absorption. Primary safety concern is residual acrylamide monomer, controlled via supplier Certificate of Analysis verification. The EU classifies Polyquaternium-53 as "restricted". Safety rating: GOOD.

Is Polyquaternium-53 allowed in the EU?

Polyquaternium-53 EU regulatory status: restricted. Maximum allowed concentration: 0.1 ppm residual acrylamide monomer in leave-on products, 0.5 ppm in rinse-off products. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyquaternium-53 do in cosmetics?

Polyquaternium-53 functions as: Hair Conditioning, Antistatic, Foam Enhancement, Film Forming. It is classified as a cosmetic ingredient in our database. CAS number: 84647-38-1.

What is the Margin of Safety for Polyquaternium-53?

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.

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