Ingredient testing often begins in vitro, but for decades, cosmetic manufacturers have come to expect in vivo data from suppliers. This includes information about the ingredient's delivery and efficacy at typical use levels in test formulations used by real subjects; after all, what could be closer to the real-life scenario?
See related: Brazil Prohibits Animal Testing for Cosmetics, Mandates Alternatives
In last week's poll, we asked you: Have in vitro methods (including ex vivo or in silico models) come far enough that their promising results convince you to try an ingredient? i.e., without in vivo data?
The results are in: 49% of you answered Yes, while 51% of you answered No.
Thanks for joining us on our weekly polls! Be sure to check back every Tuesday for a new question.