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Moumoujus

CI 50325.

Optional CAS 6856-08-2 / COLORANT

CI 50325 is a synthetic organic colorant primarily utilized to bestow a distinct violet coloration upon cosmetic products. Its function is purely aesthetic, transforming the visual appeal of formulations, skin, nails, and hair.

Summary

Colorant

Science

Mechanism of Action

CI 50325 operates as a chromophore, absorbing specific wavelengths of light and reflecting others, which results in the perception of a violet hue. When incorporated into cosmetic matrices, it adheres to the substrate, providing consistent color distribution.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a colorant, CI 50325 does not possess active therapeutic benefits for the skin, and therefore, the concept of 'dusting' or over-application for enhanced efficacy is not applicable. Its use is limited to achieving the desired aesthetic effect.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

CI 50325 demonstrates solubility in both water and ethanol, yielding a red-light purple solution. Its solubility and color can be influenced by temperature and pH. In highly acidic conditions (strong sulfuric acid), it exhibits a green color, transitioning to purple-red upon dilution. Conversely, in an aqueous solution, the addition of sodium hydroxide results in a deep red color followed by precipitation.

Conflicts

  • Formulations containing sodium hydroxide should be avoided due to observed precipitation.
  • Regulatory guidelines mandate its use exclusively in cosmetic products designed for short contact with the skin.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

While the Cosmetic Ingredient Review (CIR) has not specifically evaluated CI 50325, it is a regulated colorant in major markets. In the European Union, CI 50325 is a permitted colorant listed in Annex IV of EC Cosmetics Regulation No. 1223/2009, with the critical condition that it should only be used in products with short skin contact. Similarly, the FDA sanctions the use of certain violet colorants in cosmetics, including applications on the lips and under the eyes, indicating a recognized safety profile for this color class.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

CI 50325 is a well-established violet colorant, suitable for use in rinse-off cosmetic applications and products with short skin contact, provided formulators adhere to its specific solubility and regulatory conditions.

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