Is it okay to use talcum powder on two-year-olds?

It is definitely not advised to do so. Recently there is a news on J&J which contains talc and caused ovarian cancer in a woman. http://www.cancer.org/cancer/cancercauses/othercarcinogens/athome/talcum-powder-and-cancer There are powder which does not contain talc such as GAIA brand. http://www.gaia.com.sg/product.php?id_product=9