Article continues below advertisementKourtney Kardashian has taken a firm stance against Botox, revealing she hasn't used the popular injectable in four years.Article continues below advertisementSource: MEGAKourtney Kardashian revealed she stopped using Botox four years ago.Article continues below advertisementIn a recent episode of The Kardashians, the 46-year-old reality star faced off with her sister Kim, who still embraces cosmetic enhancements.