1. Hypochlorous acid spray Total posts: 31 million Total views: 78.2 million Google searches: +234 percent year-over-year Hypochlorous acid, an antimicrobial ingredient that first trickled into TikTok skin care discourse in 2022 with Tower 28’s SOS Rescue Spray launch, is going more mainstream now thanks to brands’ increasing incorporation of the ingredient. “Few ingredients represent…