meet 25-year-old corina garcia. heavier and thicker it gets. >> it's a huge part of my life. >> this is why you make slime at 3:00 a.m. >> i spend like 80% of my life making slime. i sound insane. oh my god. >> reporter: with almost 9 million subscribers on youtube, she shows young fans how to make all types of slimes with different textures and scents, even doing slime challenges. >> this is going to be the biggest slime challenge i've done by far. >> reporter: from contact solution to shaving cream and glue, and i'm talking a ton of glue. >> i'll mix it with my hands now! >> the slime is really activated -- >> reporter: kids inspired by karina. >> as you see our slime, we made much more lotion with it. >> reporter: raiding their parents' medicine cabinets to make the stretchiest, messiest goop around. karina is part of a new generation of youtubers who are turning their channels into full-fledged brands and businesses, creating an empire out of slime. >> i'll take it everywhere with me. i'm one of those people on