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Moumoujus

CI 11680.

Avoid CAS 2512-29-0 / COLORANT

CI 11680 is a synthetic organic pigment utilized in cosmetic formulations to impart a distinct yellow coloration. It is incorporated into both rinse-off and non-rinse-off products for aesthetic purposes.

Summary

colorant

Science

Mechanism of Action

This ingredient functions as a cosmetic colorant by absorbing specific wavelengths of light, reflecting the yellow spectrum. This optical effect enhances the visual appeal of the final product.

Research

Clinical Evidence

Medium confidence
Effective range 0.3–0.7%
Optimal

0.3%

Key findings

  1. 01 Effectively provides yellow color in rinse-off cosmetic products.
  2. 02 Functions as a yellow colorant in non-rinse-off cosmetic products.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 5 – 8
0 7 14

Stability

CI 11680 demonstrates good resistance to sun, heat, and acids, but exhibits poor alkaline resistance and light sensitivity. Exposure to strong acids, bases, or oxidizing agents should be avoided.

Conflicts

  • strong acids
  • strong bases
  • oxidizing agents
  • products for mucous membranes

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
0.3%
Sensitization risk Moderate

While the SCCS permits its use in EU cosmetics (excluding mucous membranes), the FDA has delisted CI 11680 for external drugs and cosmetics in the US. Continuous use poses a potential health risk due to absorption through skin or mucous membranes.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

This ingredient is not recommended due to its delisted status by the FDA for external use and potential absorption risks, despite European allowance with specific mucous membrane restrictions.

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