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Castor (Ricinus communis) seed oil

Castor oil is one of the most used plant oils in skincare. It is rich in ricinoleic acid, a fatty acid. It nourishes and strengthens hair. This versatile oil supports skin and nail health. Learn more about what is sometimes called "beaver oil" here.

How is castor oil obtained?

FAQ about castor (ricinus communis) seed oil

Does castor oil promote eyelash growth?
Available scientific studies to date are insufficient to confirm that castor oil promotes eyelash growth. It can nourish the hairs, improving their condition. Healthier eyelashes are less likely to shed.
Can castor oil be applied undiluted on the skin?
Yes, this is possible. However, the castor oil has a greasy texture, so most people mix it with a lighter plant oil like jojoba oil.
Does castor oil promote breakouts?
With a comedogenicity rating of 1, castor oil is considered to have low comedogenicity. Its risk of clogging skin pores is low. Comedogenicity varies by individual. Castor oil has an oily texture. Individuals prone to blemishes should use caution.
Can castor oil thicken eyebrows?
No, the castor oil cannot thicken the brows. The brow line varies by individual and depends on the number and placement of hair follicles along the brow arch. Castor oil supports brow strength.
Can castor oil eliminate dandruff?
According to some studies, castor oil may have antifungal properties that could help it act against dandruff. Further research is needed to confirm its effect on dandruff.
What are the benefits of castor oil for nails?
Hydrating and nourishing, castor oil helps fortify nails and make them shine.
Is castor oil an effective treatment for hair loss?
Even if some studies suggest that castor oil can promote hair growth, scientific evidence remains insufficient to confirm an effect on baldness.
What is the difference between castor oil and carapate oil?
Castor oil and carapate oil both derive from castor seeds, but their extraction methods differ. Castor oil is obtained by cold pressing, while carapate oil is extracted by boiling the seeds. They share the same composition and properties.
Can castor oil be used in synergy with rosemary essential oil?
Yes, this is possible. You can add a few drops of rosemary essential oil to castor oil, following the supplier’s recommended amounts, before applying the mixture to the scalp, for example.
Is castor oil beneficial after a hair transplant?
After a hair transplant, applying castor oil can help rehydrate and nourish the scalp. Some scientific data suggest it may accelerate hair growth.
Can castor oil promote facial hair growth?
No. When used in moderation on the face, castor oil does not increase fine facial hair.
What are the benefits of castor oil for beard health?
Castor oil hydrates and softens beard hair while protecting it from oxidation. It is also said that castor oil promotes beard growth but scientific evidence on this is insufficient.
Does castor oil slow the appearance of white hair?
By protecting hair from oxidation, it is possible that the castor oil may help delay the appearance of white and gray hair. To date, this has not been scientifically confirmed.