Zelo® A Professional Keratin Hair Straightening for Home Use on HSN Show Generates Excitement and Interest Posted on January 20, 2012 by The Daily Frizz by Zelo Zelo® A Professional Keratin Hair Straightening for Home Use on HSN Show Generates Excitement and Interest. Share this:TwitterPinterestStumbleUponFacebookPrintLike this:LikeBe the first to like this post.