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Moumoujus

ALUMINUM BROMOHYDRATE.

Valuable CAS 39431-98-6 / ANTIPERSPIRANT, ASTRINGENT, DEODORANT

A well-established OTC antiperspirant and astringent, Aluminum Bromohydrate effectively reduces sweat by forming temporary plugs in sweat ducts. It also offers skin-tightening benefits.

Summary

antiperspirant astringent

Science

Mechanism of Action

This ingredient forms a temporary gel by precipitating with sweat gland proteins, physically blocking sweat release. Additionally, its astringent properties visibly constrict skin tissues.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

24%

Key findings

  1. 01 Optimal antiperspirant efficacy observed at 24% concentration in aqueous solutions.
  2. 02 Demonstrated to be more effective in aqueous vehicles compared to anhydrous ones.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 6
0 7 14

Stability

Highly stable in aqueous solutions within pH 4.0-6.0, where it also exhibits optimal efficacy. It hydrolyzes in water to form complex aluminum species.

Conflicts

  • Strongly alkaline materials (causes precipitation)
  • Anionic surfactants (may form complexes)
  • Certain perfume compounds (destabilization)

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
25%
Sensitization risk Moderate

Recognized as an OTC antiperspirant active by the FDA (Category I). Avoid inhalable spray forms due to potential asthmagenic risks and severe irritation at high concentrations.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Aluminum Bromohydrate is a valuable antiperspirant and astringent, highly effective in aqueous solutions for managing sweat and tightening skin.

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