Science
Mechanism of Action
This aluminum lake functions by physically dispersing its blue pigment throughout the formulation. It provides color without chemically reacting with the skin or hair.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Most stable within pH 3-12, showing good heat stability but poor oxidation and fair light stability. It disperses well in water or glycerin bases.
Conflicts
- Oxidizing agents
- Copper ions
- Iron ions
- Strong acids
Safety
Safety Profile
Restricted to 0.5% in hair dyes by SCCS/EU; FDA permits use in cosmetics (excluding eye area unless certified). A 5% concentration showed moderate irritation in some volunteers, but the regulated lake form has low irritancy.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This ingredient is a safe and effective colorant for a blue hue when used within regulatory limits and is generally well-tolerated across most skin types.
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