September 16, 2025

How to Make DIY Lash Serum Safely (and When to Choose LashBox Instead)

The beauty world is buzzing with DIY eyelash serum tutorials, and it’s easy to see why. Who wouldn't want to achieve longer eyelashes with natural ingredients you may already have in your kitchen? But before you start rummaging through your pantry, it’s worth learning the best ways to mix a homemade lash serum, what to watch out for, and when it might be smarter to choose a professional formula.

How DIY Lash Serums Work

Your lashes grow from delicate hair follicles, just like the hair on your head. Oils rich in fatty acids, antioxidants, and vitamins can help nourish these follicles, creating the perfect conditions for natural lash growth. The following are ingredients that are often recommended for DIY serums:

  • Packed with ricinoleic acid, castor oil is often associated with good hair health and is sometimes used in hair loss remedies.

  • Coconut oil is a popular carrier oil that is well known for its hydrating and protective properties.

  • Vitamin E oil is a classic ingredient in a vast number of beauty and hair care products, supporting hair growth and conditioning.

  • Olive oil and sweet almond oil are versatile natural oils that also double as hair care staples.

DIY Eyelash Growth Serum Recipe

To get started with your first homemade eyelash serum, try this simple recipe - with a short 5-minute prep time!

Eyelash growth serum ingredients:

  • 1 tbsp castor oil

  • 1 tsp coconut oil or olive oil

  • 1 tsp of vitamin E oil

  • 1 drop rosemary or lavender essential oil (optional)

Preparation and application:

  1. Mix oils in a small clean bowl.

  2. Use a dropper to transfer the mixture into an empty mascara tube.

  3. Before applying, always do a patch test on your arm to check for an allergic reaction.

  4. At night, apply sparingly along the lash line with a clean lash spoolie or cotton swab.

With just a couple weeks of consistent use, lashes may start to look denser, feel silkier, and reveal a glossy, healthy shine that elevates your natural lashes.

Need a little extra length while you wait for your natural lashes to grow? Check out our guide on applying DIY lash extensions for instant glam.

Potential Risks and Precautions

Before you start applying products to your eye area, it's incredibly important to remember that not all home remedies are harmless. Even natural beauty solutions can cause significant eye irritation, especially if the essential oils or other ingredients you use are too strong. The risk is even greater if you have allergies or sensitive skin.

DIY formulas also carry the risk of questionable ingredients (depending on the source), inconsistent measurements, and storage issues. If contamination occurs, the result could be less luscious lashes and more problems. Always proceed with caution: measure carefully, keep your tools clean, store your serum properly, and apply just a touch for the best results. Also, remember that most DIY formulas are not compatible with eyelash extensions because they contain oil. 

LashBox Alternatives You’ll Love for Thicker, Fuller Lashes

If your goal is truly long lashes with amazing results, the best way isn’t always a homemade mix. At LashBoxLA Canada, we carry professional-grade solutions made with tested ingredients that are safe for the delicate eye area. Unlike a DIY eyelash serum, these products are formulated to minimize side effects while delivering longer and thicker lashes.

LashboxLA Canada carries the Revive7 Plus Lash Growth Serum, which is a ready-to-use option that delivers powerful results. Your lashes will be noticeably longer, stronger, and healthier in as little as 7 days with daily use. This product was also formulated for sensitive and mature skin. Unlike most DIY lash serum recipes, our Lash Growth Serum is compatible with eyelash extensions. For instant glam while your natural lashes strengthen, our Lace It Up DIY Lash Extension Kits give you false lashes that look like an elevated version of your natural ones. These alternatives save you the guesswork and let you skip the risks of a homemade lash serum.

Rocking DIY lashes while you wait for natural growth? Here's how to keep DIY lashes looking perfect without harming your own lashes.

Reveal Your Most Stunning Lashes Yet

Creating your own DIY lash serum recipes can be fun, especially if you love experimenting with DIY beauty and home remedies. Just remember to use proven, simple ingredients, avoid improper measurements and overapplication, and always patch test first. If you’re after stunning lashes without the guesswork, professional serums and lash extensions from LBLA are your ultimate go-to.

Interested in starting your lash journey with us? Shop our aftercare products and Lace It Up DIY collection.


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