Should we be afraid of our deodorant?


Illustration by Peter Oumanski for TIME Magazine

Here’s yet another warning for large cosmetics manufacturers. A recent study run by two Swiss researchers was published on September 26, 2016 in the International Journal of Cancer.1 It proves a correlation  between the use of deodorant containing aluminum salts and the development of cancer in the breast cells of Guinea Pigs. Yes, it’s certain that the study in question, which uses small mammals, does not prove that there is danger to humans, but alerts are multiplying.

In 2012, a previous study conducted by researchers at the University of Geneva (Switzerland) and funded by the Meyer Foundation, had raised the subject of the toxicity of aluminum salts. It highlighted the adverse effects of aluminum salts (aluminum hydrochloride and aluminum chloride), present in conventional deodorants, on human breast cells ‘in vitro’ without going so far as to confirm that they would be responsible for the development of breast cancer.2

Since 2011, Afssaps (now ANSM) recommends reducing the concentration of aluminum in deodorants to 0.6 % and to avoid the daily application of products containing aluminum, in particular on injured skin (after shaving). 3 But companies do not take the recommended limits into account. Nearly 9 out of 10 deodorants contain aluminum salts, and most often they contain up of 4-5%.

Concerned by results from their study, two Swiss researchers, oncologist Dr. Stefano Mandriot and Professor André-Pascal Sappino, argue that the precautionary principle be applied. Caution should therefore be taken by reading the labels of your cosmetics to avoid everything containing the word « aluminium » or « aluminum. » Natural Alum stone is also affected by the alert launched in recent years. Once applied to the skin, natural alum turns into aluminum salts when in contact with sweat.

For those who want to preserve their health, probiotic DayDry care (patented) deodorant offers the first truly effective alternative to deodorants using aluminum salts. Its anti-odor effectiveness is remarkable thanks to the natural action of probiotics that inhibit the development of the bacteria responsible for odors associated with perspiration. In addition, it doesn’t clog the pores of the skin, nor stain clothing. The brand proposes three forms: non aerosol spray, roll – on or wipes.

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1 – Aluminium chloride promotes tumorigenesis and metastasis in normal murine mammary gland epithelial cells – International journal of Cancer

2 – L’innocuité des sels d’aluminium sur les cellules mammaires contestée  Université de Genève

3 – Evaluation du risques d’utilisation des sels d’aluminium dans les produits cosmétiques – ANSE (anciennement AFFSAPS

4 – You Asked: Can Deodorant Give You Cancer? – Time Magazine

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