Science
Mechanism of Action
This synthetic colorant functions by absorbing or reflecting physical light, which visually translates into a red color. It can color cosmetic products, skin, nails, or hair upon application.
Research
Clinical Evidence
Insufficient-data confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
The colorant demonstrates strong stability and resistance to fading, maintaining integrity for at least 4 years. To prevent severe hydrolysis at high temperatures, formulation pH should ideally remain below 10.0.
Conflicts
- Copper ions
- Iron ions
Safety
Safety Profile
The CIR Expert Panel has not reviewed CI 15620. While the EU permits its use in rinse-off products, the US FDA has delisted it for external cosmetic applications. ECHA classifies it as causing serious eye irritation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
As a synthetic red colorant, CI 15620's utility in precision skincare is heavily limited by significant regulatory restrictions and a warning for serious eye irritation.
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