Approach to lubricant use for sexual activity The College of Family Physicians of Canada How to Use Lube for Sex to Spice Up Your Bedroom ASTROGLIDE Coconut Oil as Lube: Risks and Benefits What's that?! This is the Castor Oil Plant, also known as the Castor Bean plant. This is the plant used to produce castor oil, which has uses in medicine, cosmetics, and industry. Drinking a cup of warm milk mixed with a tablespoon of castor oil at bedtime helps in constipation. Castor oil is a mild laxative which lubricates the intestines, thereby leading to purgation. When Should You Take Castor Oil? Benefits & Uses