Science
Mechanism of Action
This compound primarily functions as an astringent by contracting and densifying the skin surface. It acts as a mild acid and, in a broader biochemical context, is known to inhibit divalent cation channels, predominantly calcium channels, which may underlie some of its physiological effects.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Lanthanum Chloride exhibits optimal stability within a pH range of 3.0 to 5.0. Below pH 3.0, complete dissociation occurs. Above pH 3.0, salt hydrolysis becomes more pronounced, and beyond pH 9.0, it exclusively converts to Lanthanum hydroxide. It demonstrates high solubility in both water and alcohols.
Conflicts
- Phosphate-containing ingredients (leads to precipitation).
- Strong bases (initiates salt hydrolysis).
- Metals (corrosive, potentially generating flammable hydrogen gas).
Safety
Safety Profile
Lanthanum Chloride is classified as a Skin Sensitizer Category 1 (H317) and Eye Damage Category 1 (H318), indicating a high potential for skin sensitization and severe eye damage. Direct contact can induce eye irritation, damage, and skin inflammation in susceptible individuals, potentially aggravating pre-existing dermatitis or affecting abraded skin. Notably, an amber aqueous solution is documented to cause irreversible alterations or destruction of human skin tissue upon contact. While the FDA does not pre-approve cosmetic ingredients, Lanthanum Chloride is not listed among its prohibited or restricted substances.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite its potential astringent and antimicrobial functions, the severe risks associated with skin sensitization, eye damage, and documented irreversible tissue alterations deem Lanthanum Chloride inappropriate for precision skincare formulations.
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