Polyvinyl Butyral

INCI: POLYVINYL BUTYRAL

CAS Number
63148-65-2
Function
Film forming, binding, viscosity controlling, antistatic, hair conditioning (combability aid)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ 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 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Residual butyraldehyde from synthesis should be controlled; primarily an inhalation concern if used in spray or aerosol formats

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Concern Level: Low

Frequently Asked Questions

Is Polyvinyl Butyral safe in cosmetics?

Residual butyraldehyde from synthesis should be controlled; primarily an inhalation concern if used in spray or aerosol formats The EU classifies Polyvinyl Butyral as "permitted". Safety rating: GOOD.

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.

What is the Margin of Safety for Polyvinyl Butyral?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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