Castor Serum
Castor Serum
Castor Serum
Castor Serum
Castor Serum
Castor Serum
Castor Serum
Castor Serum

Is castor oil good for eyelashes? It’s one of the uses of Castor Serum. Enjoy bold brows and luscious lashes with this volumizing treatment. We took our much-loved cold-pressed Organic Castor Oil and boosted its power so you enjoy bold castor oil lashes! Our new Hair Complex targets lashes & brows while you sleep for nourishing results to take your look to new lengths. Includes a dual end brush for brow and lash application. Dermatologically & Ophthalmology Tested.


Our signature Castor and Black Castor Oil come together in this nighttime serum for both lashes and brows.

  • Hair Complex: Biotin, Bamboo, Pumpkin, Amla, plus a Keratin-Supporting Blend for thicker, longer-looking lashes and fuller-looking brows.
  • Organic Castor Oil: Conditions brows and lashes for a fuller, bolder appearance.
  • Black Castor Oil: Nourishes hair follicles.
  • Insider tip: Use our specially designed brush for targeted brow and lash application.
Castor Serum Sensory Study*
  • 82% of subjects reported their lashes and brows look healthier*
  • 71% of subjects reported their lashes seem thicker after using this product*
  • 82% of subjects reported their brows seem fuller*
  • 88% of subjects reported the product as non-irritating*

* Results reported after eight weeks of use. Results based on a consumer perception study.


Ricinus Communis (Castor) Seed Oil*, Glycerin, Ethyl Macadamiate, Emblica Officinalis Seed Oil, Aqua, Ricinus Communis (Castor) Seed Oil†, Lactobacillus Ferment, Cucurbita Pepo (Pumpkin) Seed Oil*, Sambucus Nigra Fruit Extract, Panicum Miliaceum (Millet) Seed Extract‡, Lactobacillus/Arundinaria Gigantea Leaf Ferment Filtrate, Bisabolol, Quillaja Saponaria Bark Extract, Helianthus Annuus (Sunflower) Seed Oil, Triticum Aestivum (Wheat) Seed Extract‡, Saponaria Officinalis Leaf/Root Extract, Yeast Extract‡, Maltodextrin, Arginine HCl, Biotin, Rosmarinus Officinalis (Rosemary) Leaf Extract.


†Black Castor Oil

‡Keratin-Supporting Blend

Volumizing Treatment for Brows & Lashes

How We Like to Use

To experience the castor oil benefits, brush onto brows & lashes before you go to bed, using our targeted spoolie brush.

Our Top Ingredients

Our hair complex is a combination of biotin, bamboo, pumpkin, amla, plus a keratin-supporting blend.


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