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Moumoujus

CI 12490.

Avoid CAS 6410-41-9 / COLORANT

CI 12490 is a synthetic azo dye primarily used to impart a reddish hue to cosmetic formulations, including skin, nails, and hair. It functions by absorbing or reflecting visible light.

Summary

colorant

Science

Mechanism of Action

As a synthetic azo dye, CI 12490 imparts color by absorbing and reflecting specific wavelengths of visible light. This optical interaction results in a reddish appearance in cosmetic products and on biological surfaces.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

As an azo dye, CI 12490 is prone to photocatalytic degradation, which can generate potentially carcinogenic aromatic amines. While largely water-insoluble, it can be dispersed in aqueous systems with specific formulation aids.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk High

No specific safety assessment by the Cosmetic Ingredient Review (CIR) has been found for CI 12490. Its degradation can lead to impurities, including potentially carcinogenic aromatic amines.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy High
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Due to its high irritancy, unreviewed safety status, and potential degradation into carcinogenic impurities, CI 12490 is not recommended for precision skincare formulations.

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