Science
Mechanism of Action
This ingredient functions exclusively as a cosmetic colorant, physically interacting with light to produce an orange coloration within the product matrix. It does not exhibit any known biological mechanism or direct interaction with the skin's physiological processes.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
CI 40215 maintains stability in neutral to weak alkaline conditions, remaining generally stable in alkaline solutions up to pH 12-13. However, it forms yellow olive brown precipitation upon exposure to strong hydrochloric acid and orange precipitation with thick sodium hydroxide solution.
Conflicts
- Strong acids (e.g., strong hydrochloric acid)
- Strong bases (e.g., thick sodium hydroxide solution)
Safety
Safety Profile
CI 40215, also identified as Direct Orange 39, is categorized as a Class 4 colorant by certain regulatory bodies. This classification restricts its use exclusively to cosmetic products intended for brief contact with the skin. A comprehensive safety review by the Cosmetic Ingredient Review (CIR) expert panel is currently pending.
Your Skin
Skin Compatibility
Our Assessment
Verdict
CI 40215 is an effective orange colorant for cosmetic products, particularly suitable for rinse-off formulations with a neutral to alkaline pH, though its safety data from the CIR remains unreviewed.
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References
Sources