Science
Mechanism of Action
Functions as a physical colorant by absorbing wavelengths around 610nm and reflecting blue light. Its aluminum lake form ensures physical dispersion rather than chemical reaction on the skin.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
Inhalation risk is noted when Acid Blue 74 Aluminum Lake is used in aerosolized or powder forms.
The Formula
Formulation
Stability
Most stable in the pH range of 6-7, where color intensity is optimal. It is light-sensitive and can decolorize under UV exposure or high pH (>6.8) without photostabilizers.
Conflicts
- Strong oxidizing agents
- Strong acids
- Polyethylene glycol (PEG)
Safety
Safety Profile
FDA approved for use in food, drugs, and cosmetics, including the eye area. SCCS and CIR deem it safe due to minimal dermal absorption, though high oral doses in rats showed increased brain gliomas.
Your Skin
Skin Compatibility
Our Assessment
Verdict
A widely approved blue pigment primarily for cosmetic coloration, exhibiting low irritancy and broad skin compatibility.
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References
Sources