Is Polyquaternium-73 safe in cosmetics?
Polyquaternium-73 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Polyquaternium-73
INCI: POLYQUATERNIUM-73
Polyquaternium-73 (CAS 15763-48-1) is a cosmetic cosmetic ingredient functioning as Antistatic, foaming, hair conditioning, hair fixing, antibacterial. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 15763-48-1 →
Auto-generated CPSR Part A draft with source citations
Function
Antistatic, foaming, hair conditioning, hair fixing, antibacterial
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
(2E)-3-heptyl-2-[(3-heptyl-4-methyl-1,3-thiazol-3-ium-2-yl)methylidene]-4-methyl-1,3-thiazole iodide
InChIKey
DQYSALLXMHVJAV-UHFFFAOYSA-M
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for cosmetic use
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-73.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
3 property records from structured ingredient metadata.
hair_care
{"hair_function": "styling", "hair_type_suitability": "all", "curl_pattern_suitability": "all", "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", "keratin_b…
hair_conditioning
{"cas_number": "196538-57-5", "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…
polymer
{"ingredient_class": "film_former/conditioning", "polymer_type": "synthetic_copolymer", "chemical_backbone": "acrylic", "molecular_weight_Da_range": "270000-2000000", "ionic_character": "cationic", "charge_density_meq_g": "2.1-3.5", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Expert Verdict
Expert safety assessment and concern-level summary for Polyquaternium-73.
Chemical Function
Anti-static agent
Frequently Asked Questions
Is Polyquaternium-73 allowed in the EU?
Polyquaternium-73 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyquaternium-73 do in cosmetics?
Polyquaternium-73 functions as: Antistatic, foaming, hair conditioning, hair fixing, antibacterial. It is classified as a cosmetic ingredient in our database. CAS number: 15763-48-1.
Compliance Tools
Check Polyquaternium-73 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
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Light Stabilizer
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