When did preservatives first enter the cosmetics scene? And what's happening now that consumers don't want them? This final video in our triclosan series with David Steinberg gives the history of how contaminated antibacterial cleansers led to safely preserved cosmetics. It also highlights how preservative-free and natural movements are unraveling product safety.
Also see: Video 1, Video 2, Video 3, Video 4, Video 5 and Video 6.