Following on from Beauty Addicts ...

Breakthrough Breast Cancer – Deodorants and Shaving www.breakthrough.org.uk
Type 'deodorant' into the search box to find a list of articles on the subject of cosmetic links to breast cancer. There is also a special fact sheet summarising their view that no evidence links deodorants, antiperspirants or shaving to breast cancer.

Deodorants, Antiperspirants and Breast Cancerwww.cancerhelp.org.uk/help/default.asp?page=3943
Cancer Research UK has produced a statement about parabens, the chemicals found in deodorants and antiperspirants that have been linked to breast cancer. They believe at present there is insufficient evidence to link them.

Skin Deep – Cosmetics Safety Databasewww.cosmeticsdatabase.comOnline safety guide to cosmetics and personal care products, by researchers at the Environmental Working Group. EWG is not associated with the manufacturer or distributor of products listed and does not profit from the listing of this information. This is a truly comprehensive database of the chemicals content of cosmetics.