The original active ingredient of antiperspirants was aluminium chloride but complaints of skin irritation led to the increased use of aluminium chlorohydrate as an alternative.
However, a 2008 study stated that no scientific evidence supports the hypothesis that deodorants and/or antiperspirants increase the incidence of breast cancer.
Nonetheless, this study has elicited some concern about the use of butylparaben, and to a lesser extent other parabens as well, in cosmetics and antiperspirants.
A 2008 study stated that no scientific evidence supports the hypothesis that deodorants and/or antiperspirants increase the incidence of breast cancer.
