Science
Mechanism of Action
The active itaconate moiety, released from Disodium Itaconate or its prodrugs, acts as a potent immunomodulator, anti-inflammatory, and antioxidant. Its mechanisms include the inhibition of succinate dehydrogenase (SDH) and the activation of nuclear factor erythroid 2-related factor 2 (Nrf2) via KEAP1 alkylation, conferring antioxidant properties. It further regulates the ATF3/IκBζ inflammatory axis to suppress pro-inflammatory cytokine release, inhibits glycolysis by targeting enzymes like glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and fructose-bisphosphate aldolase A (ALDOA), and suppresses the NLRP3 inflammasome. Studies on its derivatives show it can inhibit IL-17-induced IκBζ in keratinocytes, moderating inflammatory responses, and reduce melanogenesis in pigment-producing cells.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Itaconic acid, the parent compound, has pKa values of 3.85 and 5.45. Polymers of itaconic acid have shown stability at pH 4.3, with related Sodium Polyitaconate exhibiting broad pH stability. Disodium Itaconate itself functions effectively as a buffering agent within formulations.
Safety
Safety Profile
No direct safety assessments for Disodium Itaconate by CIR or SCCS were identified. Itaconic acid, its parent compound, is listed by the FDA under specific food additive and GRAS regulations. Further study is required regarding its long-term safety and side effects as a therapeutic agent in skincare.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Disodium Itaconate is a valuable buffering agent for formulation stability, and while direct clinical efficacy data for the ingredient itself is limited, its active itaconate derivatives show promising immunomodulatory, anti-inflammatory, and skin-brightening potential.
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References
Sources