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Moumoujus

CI 62045.

Optional CAS 4368-56-3 / COLORANT

CI 62045, also known as Acid Blue 62, is a synthetic blue pigment primarily utilized as a cosmetic colorant. It imparts a distinct blue hue to formulations, with its use regulated for specific applications, especially those involving brief skin contact or in temporary hair dyes, requiring careful attention to concentration limits and potential for eye irritation.

Summary

Colorant

Science

Mechanism of Action

This ingredient functions as a cosmetic colorant, providing a blue aesthetic by absorbing or reflecting physical light. Its action is superficial, designed to visibly color the product, the skin's surface, nails, or hair.

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

CI 62045 demonstrates robust stability for up to 7 years when stored appropriately in a well-sealed container, protected from light and moisture. However, in aqueous solutions at concentrations of 23 mg/ml and 236 mg/ml, approximately 5% degradation was observed over an 8-day period.

Conflicts

  • As a secondary amine, CI 62045 is prone to nitrosation. Formulations must strictly maintain nitrosamine content below 50 ppb to ensure safety.

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.5%
Sensitization risk Unknown

CI 62045 is regulated in Europe (listed in Annex IV, Part 1 of the EC Cosmetics Regulation) and Brazil, permitted as a coloring agent for cosmetic products intended for brief skin contact. It is deemed safe for use in semi-permanent and temporary hair dye formulations at a maximum concentration of 0.5% in the final product, provided nitrosamine levels do not exceed 50 ppb. While a 1.5% concentration was non-irritant to rabbit skin, it showed slight irritation to rabbit eyes at the same concentration.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

CI 62045 is an optional ingredient, primarily valued for its blue coloring properties in cosmetic formulations, with a well-defined safety profile under specific concentration limits and usage conditions, offering no direct therapeutic skin benefits.

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