(aka Big Day Deals) restocking your bathroom cabinet, why not start with the best Prime Day beauty tool deals, beginning with the winning our editors have tested and adored (think: viral ). Or, how about the cult favorite time-saving , the Revlon One-Step, which our beauty writer says instantly eliminates frizz. The TikTok famous (and ) Solawave that our senior beauty editor raves about is also majorly marked down.