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Moumoujus

SODIUM ALUMINUM LACTATE.

Avoid CAS 68953-69-5 / ASTRINGENT, BUFFERING

Sodium Aluminum Lactate functions as a versatile cosmetic ingredient. Its aluminum component provides astringent and antiperspirant benefits by tightening skin and reducing perspiration, while the lactate portion acts as a humectant to attract moisture and offers mild exfoliating properties. It also contributes to pH regulation in formulations.

Summary

astringent antiperspirant buffering deodorant humectant mild exfoliating pH regulating skin conditioning

Science

Mechanism of Action

This complex operates through multiple pathways: the aluminum salt component likely induces an astringent effect, leading to temporary skin tightening and reduced perspiration. Concurrently, its lactate portion, derived from Sodium Lactate, draws and retains hydration within the stratum corneum, supporting skin moisture levels, and may contribute to gentle exfoliation. Furthermore, it can stabilize formulation pH.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 3 – 7.6
0 7 14

Stability

Aqueous solutions demonstrate stability within a pH range of approximately 3.0 to 7.6, maintaining integrity for at least 1.5 to 2 months. However, the ingredient is susceptible to heat and sunlight, and its Sodium L-lactate component decomposes at 145°C. Earlier manufacturing iterations reported pH and viscosity instability, occasionally resulting in semisolid gel formation.

Conflicts

  • oxidizing material
  • metals
  • heat
  • sunlight

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically assessed Sodium Aluminum Lactate. While the Scientific Committee on Consumer Safety (SCCS) considers aluminum compounds safe within specified maximum equivalent aluminum levels (e.g., 6.25% in non-spray deodorants), and CIR deems Sodium Lactate safe up to 10% in formulations with pH ≥3.5, the ingredient itself faces significant concerns. EWG Skin Deep identifies 'Strong evidence of human neurotoxicity' and 'Human system toxicant - moderate evidence' for Sodium Aluminum Lactate, alongside a 'LOW_MODERATE' concern for developmental and reproductive toxicity. The FDA's removal of this ingredient from its 503A Category 2 list for bulk drug substances indicates it is not approved for compounding in that specific context, further highlighting a complex regulatory landscape.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

Given the absence of specific safety assessments by CIR for Sodium Aluminum Lactate, coupled with EWG's strong evidence of neurotoxicity and systemic toxicity concerns, this ingredient does not meet Moumoujus's standards for precision skincare.

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