Science
Mechanism of Action
No specific mechanism of action related to direct cosmetic benefits on skin has been identified. Research data primarily concerns its role as a dopant in biomaterial synthesis for tissue engineering, where it influences material crystallinity and photoluminescence.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Terbium Nitrate is a highly water-soluble crystalline substance that is hygroscopic and should be stored sealed in dry, cool places. It is compatible with nitrates and lower (acidic) pH conditions.
Conflicts
- Mineral acids
- Reducing agents
- Organic material
- Heavy metals
- Phosphides
- Sodium acetate
- Lead nitrate
- Tartrates
- Trichloroethylene
- Cyanides
- Thiocyanates
- Isothiocyanates
- Hypophosphites
- Phosphorus
- Tin(II) chloride
- Alkyl esters (may explode due to unstable alkyl nitrates)
- Nitrites and organic materials (potentially dangerous, especially in the presence of acidic materials and heavy metals)
Safety
Safety Profile
Terbium Nitrate has not undergone review by the Cosmetic Ingredient Review (CIR) Expert Panel or the Scientific Committee on Consumer Safety (SCCS). The FDA lists 'Nitric acid, terbium(3+) salt (3:1)' as 'INACTIVE' under EPA TSCA, suggesting limited cosmetic regulation. Material Safety Data Sheets (MSDS) indicate potential for skin, eye, and respiratory irritation. A significant safety concern is the potential for nitrates to react with amines to form nitrosamines, which are known animal carcinogens.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Given the complete absence of identified skincare benefits, high potential for skin irritation, and significant safety concerns regarding nitrosamine formation, this ingredient is not recommended for cosmetic use.
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