Science
Mechanism of Action
As a cationic (positively charged) molecule, it binds via electrostatic attraction to negatively charged proteins on the hair shaft and skin surface. On a cellular level, it behaves as a metabolic disruptor, potentially interfering with mitochondrial respiration and inducing lipid peroxidation within the cell membrane.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 Approximately 55% of eczema patients tested exhibited sensitization when exposed to a 2% aqueous solution.
- 02 High-concentration suspensions (20%) did not induce visible acute erythema in specific animal models, though chronic safety remains a concern.
Transparency
Dusting Analysis
This ingredient is not used for skin benefits; its presence at any level in skincare is a red flag due to global regulatory bans and its status as a prohibited colorant.
The Formula
Formulation
Stability
Stable within a pH range of 3.5 to 9.0; however, it undergoes structural decomposition and loses color in strongly alkaline environments (pH > 9.0).
Conflicts
- Anionic surfactants
- Strong oxidizing agents
- Alkaline environments (pH > 9)
Safety
Safety Profile
Prohibited for cosmetic use in the EU, Canada, and ASEAN. It is flagged as toxic if ingested, a serious eye irritant, and carries warnings regarding potential fetal damage (H361d).
Your Skin
Skin Compatibility
Our Assessment
Verdict
A prohibited cosmetic colorant with documented sensitization risks and potential cellular toxicity that has no place in precision skincare.
Related
Similar Ingredients
Finding similar ingredients…
References
Sources