Breast cancer: Numerous studies have not only shown the presence of Parabens in breast tumors, but Parabens might promotes the spread of this cancer as well.
Infertility in males: Parabens have been shown to adversely effect the vitality of sperm in experiments conducted both invitro (outside body) and invivo (inside body).
Contact Dermatitis: Parabens causes allergies in damaged skin and not in intact skin. Thus, clients who are suffering from any kind of skin disorder should avoid Parabens. Ironically, most of the topical medicines used on skin have Parabens as preservatives due to lack of safer preservatives.
Promote skin aging: In a study, Methyl Paraben was shown to persist and accumulate in the skin after one month of application. The result also showed that Parabens might influence the aging and differentiation of keratinocytes.
Environmental toxins: Due to widespread use of Parabens, it has been detected in soil, sewage water, swimming pools, house dust, but not in drinking water in developed countries.