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Moumoujus

CI 20470.

Questionable CAS 1064-48-8 / COLORANT

CI 20470 is a synthetic cosmetic colorant primarily used to impart color to various personal care products. It is water-soluble and finds application in rinse-off formulations.

Summary

Cosmetic colorant

Science

Mechanism of Action

This ingredient functions as a colorant by absorbing specific wavelengths of light and reflecting others, thereby imparting a black hue to cosmetic formulations.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient is hygroscopic and incompatible with strong oxidizing agents. It precipitates at extreme acidic or strongly alkaline pH values, indicating instability outside a narrower pH range around its inherent pH of 9 in aqueous solution.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.5%
Sensitization risk Unknown

The SCCS considers it safe for non-oxidative hair dyes and brief-contact rinse-off cosmetics in the EU, up to 0.5%. However, it is not permitted for use in cosmetics in the US market by the FDA.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

CI 20470 is a colorant with limited permissible uses, restricted to rinse-off products in the EU and not allowed in US cosmetics.

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