Rosin/Formaldehyde Copolymer

INCI: ROSIN/FORMALDEHYDE COPOLYMER

CAS Number
Not specifically assigned (copolymer product)
Function
Film forming, hair fixing, viscosity controlling
Safety Rating
POOR

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted but under MoCRA scrutiny; free formaldehyde levels must be monitored

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Major red flag: Formaldehyde is a CMR 1B substance; EU labeling threshold lowered to 10 ppm (2022/1181); dual sensitization risk from both rosin and formaldehyde; not suitable for COSMOS/ECOCERT certification; increasingly restricted globally

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Concern Level: High

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Rosin/Formaldehyde Copolymer safe in cosmetics?

Major red flag: Formaldehyde is a CMR 1B substance; EU labeling threshold lowered to 10 ppm (2022/1181); dual sensitization risk from both rosin and formaldehyde; not suitable for COSMOS/ECOCERT certification; increasingly restricted globally The EU classifies Rosin/Formaldehyde Copolymer as "prohibited". Safety rating: POOR.

Is Rosin/Formaldehyde Copolymer allowed in the EU?

Rosin/Formaldehyde Copolymer EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Rosin/Formaldehyde Copolymer do in cosmetics?

Rosin/Formaldehyde Copolymer functions as: Film forming, hair fixing, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not specifically assigned (copolymer product).

What is the Margin of Safety for Rosin/Formaldehyde 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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