Science
Mechanism of Action
Functioning as a cationic dye, it targets the negatively charged structures of bacterial cell membranes. By binding to these components, it disrupts metabolic processes and structural integrity, effectively inhibiting the growth of Gram-positive bacteria and certain fungal strains.
Research
Clinical Evidence
High confidence1%
Key findings
- 01 Clinical evaluation of Brilliant Green as a 1% topical treatment for pyoderma and minor skin abrasions demonstrated significant antimicrobial activity with low systemic absorption.
- 02 Historical data from the WHO and Eastern European pharmacopoeias confirm its efficacy as a topical antiseptic for wound care against Staphylococcus aureus.
Transparency
Dusting Analysis
Because this ingredient is prohibited in most major cosmetic markets, any presence in a formula—even at trace levels for coloring—is a regulatory red flag rather than a 'dusting' concern.
The Formula
Formulation
Stability
Exhibits significant light sensitivity and UV-induced fading. It serves as a pH indicator, shifting to yellow in highly acidic environments and losing stability in alkaline conditions above pH 8.0.
Conflicts
- Strong oxidizing agents
- Reducing agents
- Anionic surfactants
- Highly alkaline ingredients
Safety
Safety Profile
Explicitly prohibited for use in cosmetic products within the European Union and slated for a total ban in California by 2027. It lacks FDA approval for use as a color additive in any cosmetic application.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite its historical medicinal efficacy as an antiseptic, its prohibited status in cosmetics makes it unsuitable for precision skincare formulations.
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References
Sources