Is aluminum chloride safe?

Aluminum chloride is used in antiperspirants as the active ingredient. Published reviews from the FDA and CIR confirm that aluminum at typical antiperspirant use levels is recognized as safe.

Why is aluminum chloride in deodorant?

Aluminum salts block sweat production by temporarily plugging sweat ducts. This is the mechanism that makes antiperspirants work.

active

Aluminum Chloride

Commonly feared, low concern·Strong evidence

A simple aluminum salt used as an antiperspirant active. Health authorities have not found credible evidence that cosmetic antiperspirant use causes breast cancer or Alzheimer disease.

The myth vs the evidence

Fears about aluminum in antiperspirants causing cancer or dementia are common in health discussions. Scientific reviews and epidemiological data have not established this connection. The aluminum dose from topical antiperspirant application remains below systemic risk thresholds.

Questions

Is aluminum chloride safe?: Aluminum chloride is used in antiperspirants as the active ingredient. Published reviews from the FDA and CIR confirm that aluminum at typical antiperspirant use levels is recognized as safe.
Why is aluminum chloride in deodorant?: Aluminum salts block sweat production by temporarily plugging sweat ducts. This is the mechanism that makes antiperspirants work.

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.