Certain dri

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I use certain dri to control underarm perspiration (and it's good) but I read that if you're not careful it can turn into hydrochloric acid. I was wondering how could I avoid this?

"i made sure i was dry so that the aluminum chloride wouldnt turn to hydrochloric acid like one website warned."

http://www.archibaldjude.com/mt/archives/2005/01/sweaty_armpits.html

Aluminium chloride is used in many antiperspirants, including "Certain Dri". In its anhydrous form it does indeed react with small amounts of water to produce hydrogen chloride. However, in antiperspirants it is in the hydrated form, which is much less reactive. Solutions are acidic, indicating the formation of a little acid, but this is allowed for in the formulation of antiperspirants by adding some aluminium hydroxide base.You can't stop an antiperspirant from coming into contact with water, and this is probably necessary for it to work.

thanks buddy :-D