Is Hydrogenated Styrene/Butadiene Copolymer safe in cosmetics?
Hydrogenated Styrene/Butadiene Copolymer has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Hydrogenated Styrene/Butadiene Copolymer
Also known as: Buta-1,3-diene--ethenylbenzene (1/1)
INCI: HYDROGENATED STYRENE/BUTADIENE COPOLYMER
Hydrogenated Styrene/Butadiene Copolymer (CAS 66070-58-4) is a cosmetic cosmetic ingredient functioning as Film former, viscosity controlling. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 66070-58-4 →
Auto-generated CPSR Part A draft with source citations
Function
Film former, viscosity controlling
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted — CIR assessed safe (2014); no CFR restrictions
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Hydrogenated Styrene/Butadiene Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
polymer
{"cas_number": "66070-58-4", "ingredient_class": "texture_modifier/film_former", "polymer_type": "synthetic_copolymer", "chemical_backbone": "styrene", "molecular_weight_Da_range": "90000-650000", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_viscosity_sensitivity": "moderate", "film_…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Film former
Fragrance
No specific technical function
Thickening agent
Viscosity modifier
Regulatory List Membership (2)
IFRA Fragrance Transparency List
FDA Indirect Food Contact Additives
Expert Verdict
Expert safety assessment and concern-level summary for Hydrogenated Styrene/Butadiene Copolymer.
Regulatory Flags
ifra_fragrance
Known Synonyms
Buta-1,3-diene--ethenylbenzene (1/1)
Chemical Function
Film former
Viscosity modifier
No specific technical function
Fragrance
Thickening agent
Regulatory Lists
CEDI
Indirect additives food contact (10/2018)
IFRA Transparency
inert_ingredient; non_food_use; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Hydrogenated Styrene/Butadiene Copolymer allowed in the EU?
Hydrogenated Styrene/Butadiene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Hydrogenated Styrene/Butadiene Copolymer do in cosmetics?
Hydrogenated Styrene/Butadiene Copolymer functions as: Film former, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 66070-58-4.
Compliance Tools
Check Hydrogenated Styrene/Butadiene Copolymer 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
Compare limits across jurisdictions
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