WASHINGTON — Whether you rock sideburns or baby-smooth legs, all shavers share one concern –– the threat of razor-sharp metal. But luckily, shaving cream packs the right chemistry to keep us looking good while protecting our sensitive skin. What is this fantastic foam in a can? Today, with the help of YouTuber Ms. Beautyphile, Reactions gets up close and personal with the chemistry of your bathroom's most magical soap: .