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SODIUM ALUMINUM CHLOROHYDROXY LACTATE.

Valuable CAS 97660-24-7 / 8038-93-5 / ANTIPERSPIRANT, ASTRINGENT, DEODORANT

Sodium Aluminum Chlorohydroxy Lactate is a multifunctional ingredient primarily recognized for its efficacy as an antiperspirant and deodorant. It concurrently functions as a humectant to attract and retain skin moisture, while also acting as a pH regulator within cosmetic formulations. Mild exfoliating properties are also associated with this compound.

Summary

Antiperspirant Astringent Deodorant Humectant pH Adjuster

Science

Mechanism of Action

This compound primarily operates as an antiperspirant through its aluminum salt components, which create a temporary physical plug within the sweat ducts, thereby significantly reducing perspiration. The lactate portion of the molecule effectively draws and holds moisture, contributing to skin hydration. Additionally, it aids in pH stabilization within the product and may offer subtle exfoliating benefits to the skin.

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 formulations containing a related sodium aluminum lactate have demonstrated stable viscosity and overall stability within a pH range of approximately 3.0 to 7.6 for durations of 1.5 to 2 months. The sodium lactate component is also recognized for its thermal stability.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Scientific Committee on Consumer Safety (SCCS) concluded in 2022 that cosmetic products incorporating aluminum salts are safe for consumers, citing very low skin penetration and a safe total systemic aluminum exposure. No reliable causal link between aluminum exposure and breast cancer or neurodegenerative diseases was identified. SCCS also indicated that aluminum compounds, such as Aluminum Chlorohydrate at concentrations up to 20% in antiperspirants, are not expected to cause skin irritation and are not considered sensitizers. For its lactate component, the CIR Expert Panel deemed lactic acid and its salts safe for cosmetic use at concentrations of 10% or less, provided the final formulation maintains a pH of 3.5 or greater. Formulations should also be designed to prevent increased sun sensitivity or include instructions for daily sun protection.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Sodium Aluminum Chlorohydroxy Lactate is a valuable ingredient for managing perspiration and odor, while simultaneously offering hydrating and pH-regulating benefits, presenting a favorable safety profile under its recommended usage restrictions.

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