Normal. The hair chewing cream mainly serves to lubricate the intestinal tract and laxative effect, expelling hair balls from the body by way of defecation. However, some cats will vomit after eating the cream, and most of the vomit is from hairballs. This is because after the cream has lubricated the hairballs, it does not pass through the pylorus to the intestine properly and smoothly, resulting in the hairballs continuously irritating the stomach and thus causing vomiting.
