Will castor oil help to encourage growth of eyebrows and lashes?

No. Castor oil has GI effects but is poorly absorbed if at all and there is no known effect on hair growth on any part of the body.

Related Questions

(3days now) right eye lower lash line near tear duct is swollen a bit. Idk of it's because of the olive oil or castor oil or Vaseline I've been using?

Maybe. What you are describing sounds like an infected lid margin gland (meibomium). Using an occlusive oil or gel can clog the opening of the gland resulting in it backing up and becoming infected. Stop using these thngs on the eyelid. Only use soap and water, or a water based makeup remover. If you have an infection, warm compresses may help it reolve. If no quick resoution, you may need antibioti. Read more...

I used castor oil on my eyebrows and a part on my hair, I put it at night and leave it 2days, now I feel like my hair and eyebrows is falling, why?

Hair loss. Can't tell based on the very limited information you provided but I would start by suggesting you stop putting "castor oil" on your brows and scalp the reason for which remains a mystery. Read more...

I was born with a very light eyebrows and I want to grow them, so I tried putting castor oil it worked, but how long does it take the hair to grow?

Castor oil. has been proven to grow eyebrows. You can use minoxidil, which is over-the-counter (in the U.S.) to grow your eyebrows. Also Latisse (bimatoprost) will work for this, but you need a prescription for that. Read more...

I've been using cold-pressed, virgin castor oil on my eyebrows and eyelids x3 nights. Now, I'm worried about ricin poisoning. Should I be worried?

No. There is no need to worry about ricin being in the castor oil, compared to all the other things we have to worry about in life. Castor oil may not be needed nor useful... which means one should investigate to see if castor oil has been truly proven to help in the way one is using it (castor oil has been around a long time and has many myths about it). Read more...