12/01/2004

Deodorant sprays linked to breast tumour growth: study

Chemicals commonly found in antiperspirants could be linked to the growth of breast tumours, according to new research published in the Journal of Applied Toxicology.

The University of Reading research team found that parabens, chemicals found in underarm cosmetics and other products, can be detected in human breast tumours. Parabens are typically used as preservatives in thousands of cosmetic, food and pharmaceutical products.

Although the connection has yet to be proven, the team says that the research "represents an important link that will be crucial to further investigations".

Researchers studied samples of 20 different human breast tumours, which revealed a higher than average concentration of parabens in the tumour tissue. The team believes that the most likely reason for their accumulation in the affected area was direct application to the skin - probably through paraben-laced deoderant spray.

Dr Philippa Darbre, lead author of the study, said: "Their detection in human breast tumours is of concern since parabens have been shown to be able to mimic the action of the female hormone oestrogen and oestrogen can drive the growth of human breast tumours. It would therefore seem especially prudent to consider whether parabens should continue to be used in such a wide range of cosmetics applied to the breast area (including antiperspirants/deodorants)."

(gmcg)

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