Aluminum Diacetate

INCI: ALUMINUM DIACETATE

A mineral-derived ingredient with antimicrobial and mild astringent properties

Best For Skin Types

Oily, Combination, Acne-prone

Addresses

Acne, Oil control, Redness

Usage Frequency

Daily

What Is Aluminum Diacetate?

Aluminium diacetate is a salt compound derived from aluminium and acetic acid. It functions primarily as an antimicrobial and astringent agent in skincare formulations, helping to manage excess oil and support the skin's natural defence against bacteria.

This ingredient has a long history of use in topical products and is valued for its relatively gentle profile compared to some stronger astringents, making it suitable for inclusion in a range of formulations.

How It Works

Aluminium diacetate works through two primary mechanisms. Its antimicrobial properties help suppress bacterial growth on the skin, which can be useful in products aimed at blemish-prone skin. Simultaneously, its astringent action causes mild tightening of the skin by reducing the appearance of pores and helping to absorb surface oils.

Clinical Evidence & References

Research into aluminium compounds, particularly in specialised medical applications such as photodynamic therapy, suggests these materials can interact with biological systems in measurable ways. However, direct clinical evidence specific to aluminium diacetate's efficacy in cosmetic skincare products remains limited in the published literature.

The ingredient's antimicrobial and astringent properties are well-documented in principle, but large-scale studies examining its performance in typical skincare formulations would strengthen the evidence base further.

How to Use

Aluminium diacetate is typically incorporated into formulations at low concentrations. Products containing this ingredient should be used as directed on the packaging. If combining with other active ingredients, allow time between applications to assess how your skin responds, particularly if you have sensitive skin.

Safety & Precautions

Aluminium diacetate is generally well-tolerated in cosmetic use when formulated at appropriate concentrations. Those with aluminium sensitivities or very reactive skin should patch-test before broader use.

Regulatory information

Standardised cosmetic-ingredient identifiers used by regulators.

Show identifiers
INCI Name
ALUMINUM DIACETATE
INN Name
aluminium subacetate
EC Number
205-518-2
Function
Antimicrobial, Astringent

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