cold-pressed or hot-pressed Castor oil?

Castor Oil
an excerpt from
“Folk Medicine, A Vermont Doctor’s Guide to Good Health”
by Dr. D.C. Jarvis MD

7. Castor oil, applied to the eyelashes at bedtime three times a week, will thicken them and make them grow longer. The same treatment applies to eyebrow growth.

Now the question: Do I have to purchase the cold-pressed version or will the
'laxative' type work as well? Tweet