There are many ingredients that can irritate sensitive skin which is why we take extra care in formulating for people with eczema, dermatitis and rosacea! As the site that you referenced mentioned, parabens are generally well tolerated and people who don’t have those issues really don’t have an adverse reaction to parabens.

There is one thing that many experts agree on – parabens is quite a harsh preservative that can irritate sensitive skin especially for people with eczema or dermatitis.

Here a link to a review from that perspective rather than the cancer angle.

http://www.exederm.com/aboutirritants.html#parabens