Castor Oil for Eyelashes and Eyebrows: Does It Work?

Castor oil is one of the most common home remedies for sparse lashes and brows, and the mechanism is the same as everywhere else on the body: it doesn't make hair follicles produce new growth, but it conditions the hairs you have, reduces breakage at the tips, and can make lashes and brows look fuller and healthier over time.

What to realistically expect

Lashes and brows are already some of the slowest-growing, most fragile hairs on the body, which is exactly why they respond visibly to less breakage — a few millimeters of retained length is much more noticeable on a lash than on scalp hair. Expect improvement in thickness and shine over 6-8 weeks of consistent use, not overnight results.

How to apply it safely

1. Remove all eye makeup and contact lenses first.
2. Use a clean spoolie brush or cotton swab — never dip a used mascara wand back into a bottle.
3. Dip the spoolie in a small amount of oil and brush it lightly through lashes from root to tip, and along clean brow hairs.
4. Apply before bed so it isn't rubbed into your eyes during the day.
5. Avoid direct contact with the eye itself — apply to the lash line and hairs, not the eyeball.

A less-is-more oil

You need far less oil for lashes and brows than for hair or skin — one light pass with a spoolie is enough. Using too much just means it pools and can irritate the eye overnight. For general dilution and frequency guidance, see our how to use castor oil guide.

Safety notes

• Do a patch test on your forearm 24 hours before using it near your eyes for the first time.
• Stop immediately if you notice redness, itching, or irritation.
• Use only cold-pressed, unrefined oil — refined versions can carry processing residues you don't want near your eyes.
• If you wear lash extensions, check with your lash technician first — oils can weaken the adhesive.

ElitePure's cold-pressed castor oil is unrefined and free from chemicals or preservatives, which is exactly the profile you want for something used this close to your eyes.