Is Styrene/Butadiene Copolymer safe in cosmetics?
Styrene/Butadiene Copolymer has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
MODERATE
Cosmetic Ingredient
Styrene/Butadiene Copolymer
Also known as: S6F histyrene resin, 1,3-Butadiene, polymer with styrene, 1,3-Butadiene-ethenylbenzene copolymer, Butadiene-styrene rubber, Butadiene-styrol copolymer (+15 more)
INCI: STYRENE/BUTADIENE COPOLYMER
Styrene/Butadiene Copolymer (CAS 9003-55-8) is a cosmetic cosmetic ingredient functioning as Opacifying. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in food safety data.
Function
Opacifying
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; also FDA-approved as direct food additive (butadiene-styrene rubber) . CIR: safe as used
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Styrene/Butadiene Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
IARC Carcinogenicity
International Agency for Research on Cancer (WHO) monograph evaluation.
IARC Group
3
Volume
19, Sup 7
Evaluation Year
1987
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter
Anti-redeposition agent
Binder
Degradant/impurity
Dispersing agent
Filler
Film former
Flavouring and nutrient
Opacifer
Plasticizer
Regulatory List Membership (1)
FDA Substances Added to Food (EAFUS)
Editorial summary
Preliminary editorial summary for Styrene/Butadiene Copolymer — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
fda_food_additive
Known Synonyms
S6F histyrene resin
1,3-Butadiene, polymer with styrene
1,3-Butadiene-ethenylbenzene copolymer
Butadiene-styrene rubber
Butadiene-styrol copolymer
Dowtex TL 612
Goodrite 1800X73
Litex CA
Plioflex
Pliolite S5
Pliolite S-5B
Pliolite S-5C
Pliolite S-5E
Polystyrene-polybutadiene
Rubber, butadiene-styrene
SBS copolymer
SD 345
Solprene 300
Solprene 303
Styrene block polymer with 1,3-butadiene
Chemical Function
Opacifer
Binder
Regulatory Lists
inert_ingredient; Pesticides
inert_ingredient; non_food_use; Pesticides
CEDI
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)
Europe; Toys and children's products
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
active_ingredient; Pesticides
Europe; Toys and children's products
Australian Status
AICIS status: listed
Cross-Vertical Safety Context
Same-CAS public records found in food safety data.
SOURCE
EFSA / FDA GRAS
food_additives
Food Safety Data
Same-CAS food additive or FDA GRAS records from the core public database.
Food Name
BUTADIENE-STYRENE RUBBER
Food Category
food_additive
Frequently Asked Questions
Is Styrene/Butadiene Copolymer allowed in the EU?
Styrene/Butadiene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Styrene/Butadiene Copolymer do in cosmetics?
Styrene/Butadiene Copolymer functions as: Opacifying. It is classified as a cosmetic ingredient in our database. CAS number: 9003-55-8.
Is Styrene/Butadiene Copolymer used outside cosmetics?
Styrene/Butadiene Copolymer also appears in food safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check 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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