Caster oil for speeding up the process ?

Samantha • Mommy to a 7 yr old 👸🏼 ; pregnant with baby 👶🏼 number 2 due February 20th it's a B💙Y 👼🏼
Curious to what moms on here used caster oil to speed up labor and how many weeks you used it at ? I used it with th my first I was 6 cm dilated , not sure about using it with this baby just looking for feed back