Is Polyvinyl Butyral safe in cosmetics?
Polyvinyl Butyral has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Polyvinyl Butyral
Also known as: Vinyl acetal polymers, butyrals, Polyvinyl alcohol, reaction product with butyraldehyde, Polyvinyl butyral resins, Denka Butyral, Denka Butyral 2000-1 (+14 more)
INCI: POLYVINYL BUTYRAL
Polyvinyl Butyral (CAS 63148-65-2) is a cosmetic cosmetic ingredient functioning as Film forming, binding, viscosity controlling, antistatic, hair conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 63148-65-2 →
Auto-generated CPSR Part A draft with source citations
Function
Film forming, binding, viscosity controlling, antistatic, hair conditioning (combability aid)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted in cosmetics; widely used in nail products (base coats, strengtheners). No CIR-specific monograph
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Polyvinyl Butyral.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
polymer
{"cas_number": "63148-65-2", "ingredient_class": "film_former/nail_film_former", "polymer_type": "synthetic_copolymer", "chemical_backbone": "vinyl", "molecular_weight_Da_range": "40000-120000", "glass_transition_temp_Tg_C": "65-75", "ionic_character": "nonionic", "pH_viscosity_sensitivity": "moderate", "salt_tolerance": "moderate", "electrolyte_effect_on_viscosity": "moderate", "temperature_visco…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Binder
Film former
Hair fixative
Thickening agent
Viscosity modifier
Regulatory List Membership (1)
FDA Indirect Food Contact Additives
Expert Verdict
Expert safety assessment and concern-level summary for Polyvinyl Butyral.
Known Synonyms
Vinyl acetal polymers, butyrals
Polyvinyl alcohol, reaction product with butyraldehyde
Polyvinyl butyral resins
Denka Butyral
Denka Butyral 2000-1
Denka Butyral 2000-2
Bakelite XYHL
Butvar B 72
Butvar B 73
Butvar B 76
Butvar B 79
Butvar B 90
Butvar B 98
Butyral resins
Denka 6000C
Denka Butyral 3000-1
Denka Butyral 3000-2
Denka Butyral 3000-4
Denka Butyral 3000K
Chemical Function
Film former
Viscosity modifier
Binder
Hair fixative
Thickening agent
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
Indirect additives food contact (10/2018)
Europe; Personal care - nails - nail polish
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Polyvinyl Butyral allowed in the EU?
Polyvinyl Butyral EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyvinyl Butyral do in cosmetics?
Polyvinyl Butyral functions as: Film forming, binding, viscosity controlling, antistatic, hair conditioning (combability aid). It is classified as a cosmetic ingredient in our database. CAS number: 63148-65-2.
Compliance Tools
Check Polyvinyl Butyral compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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