Looking for a safer Lash Serum or Brow Serum? You’ve landed in the right spot – this DIY Lash and Brow Serum uses all natural ingredients and essential oils. And is so simple to make!
Keep reading to learn how to make this + how to get a free tube with mascara wand from me!

Y’all know how I feel about mascara – it’s my desert island product – but if I could pick two things to throw on before running out the door…it’d be lashes and brows. FOR SURE.
My natural brows are a little sparser than I’d like and it’s no secret that my natural lashes are itty bitty. So I play both up with a tinted brow gel + volumizing mascara on the daily. But I like to give them a little extra TLC with a serum – the same way I would with my skin.
Here’s what you need to make your own eyelash serum or eyebrow serum
The main ingredient in this is castor oil, a rich carrier oil that’s naturally high in vitamin E. Castor oil is known for its natural hair and skin support benefits – so I’ve paired it with two (optional) essential oils with a similar reputation.
If you’re adding essential oils – be sure to include Lavender, it’s a skin and hair support powerhouse! The luxe EO I add-in for extra hair support is Cedarwood. Both EO’s are stellar choices for hair and skin recipes. A little bit goes a long way, so I just use a drop of each. If you have very sensitive eyes, feel free to stick with just straight castor oil.
If you want an extra boost, you can add a few drops of pure vitamin E oil. I left it out of mine but feel free to make it your own.
WHEN’S THE BEST TIME TO APPLY A LASH AND BROW SERUM?
Since castor oil is a bit thicker, I like to apply it at night to give it lots of time to soak in. I wear brow gel and mascara during the day, and don’t find an oil-based serum wears well under makeup. So it works great to use before bed!
This p.m. preference holds especially true for lashes – I find it much more comfortable to have the oil-based serum on my lashes while my eyes are closed and I’m busy sleeping. I just apply to the ends of my lashes, taking care not to get it in my eyes.

WHERE CAN I GET QUALITY CARRIER OILS & THE MASCARA TUBE?
I got my castor oil and this empty tube with mascara wand from amazon! Check your local health food store’s beauty and personal care section. They very often carry castor oil.
Word to the wise – don’t reuse an old mascara bottle. Make sure if you’re going to use a container that it is 100% new and clean.
Make sure you’re getting a quality carrier oil to pair with your pure EOs – for castor oil look for organic, cold-pressed, hexane free, fragrance-free and unrefined. This way you know it wasn’t processed with chemicals or chemical solvents that may not be disclosed on the label.
Lastly, check the ingredients list to make sure it’s only castor oil vs. a blend of oils. I’ve been duped by so many labels that read “100% Pure” on the front, and it turns out to be a blend of MANY different oils all in one. Some may not be face-friendly – like coconut oil which is great for use on the body but can be pore-clogging when used on the face.

WHERE DO YOU GET YOUR PURE ESSENTIAL OILS?
If Free Your Fork had a motto it would be “quality matters”. So I like to source products and ingredients – food, beauty, home cleaning, personal care, etc – from companies that are in line with that same belief. I only use pure essential oils on my skin.
Many “pure essential oils” you can buy at the store are diluted with things like coconut oil, which is not very face friendly. Or contain the kind of preservatives or synthetic fragrances that you may not be happy to put on your skin every day.
I source all my essential oils from one trusted place – Young Living. They never use fillers or add synthetic chemicals in their oils. So what you’re getting is only the good stuff – pure, potent, essential oils.
I really dig their:
- Seed to Seal promise
- Commitment to consumer safety (in-house and third party testing)
- Radical ingredient transparency (ethical sourcing, trusted farms, full ingredient lists)
Need oils? I can help! Order here and I’ll send you a bonus free diffuser -or- natural living DIY bundle as a welcome gift. Plus more recipes!
Click here to see how to order + see all current promos and perks
Want more oils tips & recipes? Download these free printables with over 15+ DIY Clean Beauty + Clean Home recipes!


DIY Lash and Brow Serum
- Prep Time: 5 min to make
- Total Time: 5 min to make
Description
Looking for a safer Lash Serum or Brow Serum? This DIY Lash and Brow Serum uses all natural ingredients and essential oils. And is so simple to make!
Ingredients
- 10 ml empty mascara tube with wand
- castor oil
- 1–3 drops lavender essential oil
- 1–3 drops cedarwood essential oil (optional)
- Optional: add a few drops of pure vitamin E oil for a boost
see notes for details on where to get oils + how to customize!
Instructions
- Add essential oils and vitamin E (if using) to the empty mascara tube
- Top off with castor oil, filling just shy of the top to leave room to reinsert the wand
- Twist cap back on, and tilt gently back and forth to combine ingredients
- Use nightly by brushing onto eyebrows or lashes, taking care not to get in your eyes
Notes
If you have sensitive eyes you can omit the essential oils – I love to use them for my brows. As with anything on my site, I am not a medical professional, so consult your physician prior to use and use your best judgment.
You can get a starter kit that comes with the pure essential oils you need for all these DIYs, click order here to see how to sign up + see all the perks!
PS – If you sign up with me I’ll send you the tube with mascara wand for free -or- a free diffuser, your choice!
**Any suggestions made on this blog are very specific to Young Living essential oils and should not be used with oils from another source. Statements made on this website about Young Living Essential Oils have not been evaluated by the FDA. These products and information are not intended to diagnose, treat, cure or prevent any disease. Anyone suffering from disease or injury should consult with a physician. If you are currently on medication, please do not stop.
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