This TikTok trend could prove extremely sh—y. Castor oil has been hailed as a treatment for complexion problems and hair growth, but experts are warning against an unlikely side effect when ingested.

Castor oil is taking TikTok by storm. #Castoroil has over 60,000 posts and Google searches for the plant seed oil have more than doubled since 2022. But while castor oil has many purported benefits, ...