Polyoxymethylene Resorcinol

INCI: POLYOXYMETHYLENE RESORCINOL

CAS Number
24969-11-7
Function
Hair dyeing, hair conditioning; reaction product of resorcinol and formaldehyde
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 1.25%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; resorcinol is FDA-allowed in OTC drug products and cosmetics

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Restricted reaction product of resorcinol (Annex III/22) and formaldehyde (Annex III/13); labeling must declare formaldehyde if free CHโ‚‚O exceeds 0.05%; hair dye products require warning against use on eyelashes; resorcinol may cause thyroid disruption at elevated systemic exposure.

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Concern Level: High

Frequently Asked Questions

Is Polyoxymethylene Resorcinol safe in cosmetics?

Restricted reaction product of resorcinol (Annex III/22) and formaldehyde (Annex III/13); labeling must declare formaldehyde if free CHโ‚‚O exceeds 0.05%; hair dye products require warning against use on eyelashes; resorcinol may cause thyroid disruption at elevated systemic exposure. The EU classifies Polyoxymethylene Resorcinol as "restricted". Safety rating: MODERATE.

Is Polyoxymethylene Resorcinol allowed in the EU?

Polyoxymethylene Resorcinol EU regulatory status: restricted. Maximum allowed concentration: 1.25%. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyoxymethylene Resorcinol do in cosmetics?

Polyoxymethylene Resorcinol functions as: Hair dyeing, hair conditioning; reaction product of resorcinol and formaldehyde. It is classified as a cosmetic ingredient in our database. CAS number: 24969-11-7.

What is the Margin of Safety for Polyoxymethylene Resorcinol?

adequate 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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