Castor Oil for Eyebrows: Benefits, How to Use It and FAQs
Castor oil has been used for generations as a beauty oil for hair, skin, brows and lashes. Here is what it actually does, how to use it correctly and what to look for when buying a brow oil.
What is castor oil?
Castor oil is a natural vegetable oil pressed from the seeds of the castor plant. It is rich in ricinoleic acid, an unusual fatty acid that deeply conditions hair and skin. Because it is thick and nourishing, it is a classic choice for brow and lash care.
What does castor oil do for your brows?
Castor oil hydrates the skin under the brows, conditions each hair and helps prevent breakage. Well-conditioned hairs snap less easily, which over time makes brows look fuller, denser and glossier. Many people also use it on lashes and on the hairline for the same reason.
How do you apply castor oil to your brows?
- Cleanse first. Remove make-up with micellar water so the oil reaches the skin and hairs directly.
- Apply a small amount in the evening. With a dropper, one drop per brow is enough; with a roll-on like the B'KATE Brow Oil Roll-On, glide once along each brow.
- Massage briefly with a clean fingertip or spoolie so the oil is distributed from root to tip.
- Leave in overnight and cleanse as normal in the morning.
When do you see results?
Consistency matters more than quantity. With daily use, most people notice softer, glossier and fuller-looking brows after four to eight weeks. Hair growth cycles are slow, so give it time.
What should you look for when buying castor oil?
Choose 100% pure, cold-pressed castor oil without added fragrance or fillers. B'KATE Brow Oil is 100% pure, vegan and fragrance-free, available as a 30ml dropper bottle and a handy 10ml roll-on for travel.
Frequently asked questions
Can castor oil make brows grow faster?
Castor oil does not change your genetics, but by conditioning hairs and preventing breakage it helps your brows reach their full natural potential, which reads as fuller, healthier growth.
Is castor oil safe for sensitive skin and lashes?
Pure castor oil is generally well tolerated. Patch test on the inner arm first if you have sensitive skin, and avoid direct contact with the eyes.
Can I use castor oil after a henna or tint treatment?
Yes, from the day after treatment. It conditions the hairs and helps maintain the result. Avoid applying oil in the 24 hours before a tint, as it can reduce colour adhesion; use an exfoliant instead to prep the skin.
Explore the full care range in our Brow & Skin Care collection.