Is Acrylates/Steareth-20 Methacrylate Copolymer safe in cosmetics?
Acrylates/Steareth-20 Methacrylate Copolymer has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Acrylates/Steareth-20 Methacrylate Copolymer
INCI: ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER
Acrylates/Steareth-20 Methacrylate Copolymer (CAS 676168-27-7) is a cosmetic cosmetic ingredient functioning as rheology modifier, thickener, emulsion stabilizer. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 676168-27-7 →
Auto-generated CPSR Part A draft with source citations
Function
rheology modifier, thickener, emulsion stabilizer
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No US federal restriction. Used in cleansers and conditioning products.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Acrylates/Steareth-20 Methacrylate Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
4 property records from structured ingredient metadata.
emulsifier
{"ingredient_class": "emulsion_stabilizer,polymeric_emulsifier", "chemical_type": "acrylic_copolymer", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "0.5-2", "surface_tension_reduction_mN_m": "28-35", "interfacial_tension_reduction": "32-38", "lamellar_phase": "no", "hexagonal_phase": "no", "cubic_phase": "no", "gel_network_formation": "no", "viscoelastic_properties": "yes", "rheology…
emulsion_hlb
{"hlb_required_as_emulsifier": "no", "emulsifier_type": "o_w", "emulsion_stabilization_mechanism": "steric_electrostatic", "co_emulsifier_pairs": "sodium_hydroxide", "optimal_oil_phase_pct": "3-15", "optimal_water_phase_pct": "85-97", "electrolyte_tolerance": "low", "pH_emulsion_stability_range": "5.5-9.5", "viscosity_building_contribution": "very_high", "droplet_size_range_um": "0.1-8", "zeta_pot…
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…
polymer
{"ingredient_class": "thickener/emulsion_stabilizer", "polymer_type": "synthetic_copolymer", "chemical_backbone": "acrylic", "molecular_weight_Da_range": "900000-2500000", "ionic_character": "anionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_transparency": "transparen…
Expert Verdict
Expert safety assessment and concern-level summary for Acrylates/Steareth-20 Methacrylate Copolymer.
Regulatory Flags
hase
associative-thickener
requires-neutralization
anionic
surfactant-synergy-required
electrolyte-sensitive
acrylate-polymer
aculyn-33
eu-spm-review-pending
Frequently Asked Questions
Is Acrylates/Steareth-20 Methacrylate Copolymer allowed in the EU?
Acrylates/Steareth-20 Methacrylate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Acrylates/Steareth-20 Methacrylate Copolymer do in cosmetics?
Acrylates/Steareth-20 Methacrylate Copolymer functions as: rheology modifier, thickener, emulsion stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 676168-27-7.
Compliance Tools
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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