Glycerin/MA/Rosin Acid Copolymer

INCI: GLYCERIN/MA/ROSIN ACID COPOLYMER

CAS Number
Not assigned (polymer)
Function
Film forming agent used in nail lacquers and hair sprays
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; no CFR restriction

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Rosin/colophonium is a top-10 contact allergen; even in polymerized form, residual free rosin acid can trigger sensitization. Supplier Certificate of Analysis for free rosin content is required. Maleic anhydride (MA) is a skin and respiratory irritant as monomer; residual MA content must be specified. Not suitable for sensitive-skin claims without HRIPT data.

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Concern Level: High

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Glycerin/MA/Rosin Acid Copolymer safe in cosmetics?

Rosin/colophonium is a top-10 contact allergen; even in polymerized form, residual free rosin acid can trigger sensitization. Supplier Certificate of Analysis for free rosin content is required. Maleic anhydride (MA) is a skin and respiratory irritant as monomer; residual MA content must be specified. Not suitable for sensitive-skin claims without HRIPT data. The EU classifies Glycerin/MA/Rosin Acid Copolymer as "permitted". Safety rating: MODERATE.

Is Glycerin/MA/Rosin Acid Copolymer allowed in the EU?

Glycerin/MA/Rosin Acid Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Glycerin/MA/Rosin Acid Copolymer do in cosmetics?

Glycerin/MA/Rosin Acid Copolymer functions as: Film forming agent used in nail lacquers and hair sprays. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymer).

What is the Margin of Safety for Glycerin/MA/Rosin Acid Copolymer?

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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