I've definitely noticed that non-talc powder is easier on Mom's skin. When we used spray foot powder and talc or talcum powder at home Mom's skin remained red and peeled. Switching to non-talc powder, or corn starch, the redness disappeared and peeling stopped virtually overnight.
To see other posts on skin or feet, read these:
post from 2009
post from 2011
old feet have special needs, care for old feet, grandmas feet, grandpas feet