The 18-year-old model made the shocking confession in a new makeup tutorial video on her website and app, reported Ace Showbiz.
"You know what's weird? I've been into small lips lately. Like I want them to look small," Kylie said.
Kylie revealed on "Keeping Up with the Kardashians" in May that she got lip fillers because her lips had been an insecurity for her.
She later shared secret to her natural-looking plumped lips, "I still do Juvederm for my lips. I go to Dr Ourian in Beverly Hills, and he's super natural about it.