Castor oil is actually a vegetable oil which is derived from castor beans. It is known for plenty of health benefits that it brings in general. But it is also raved about a lot in the skin care community. It includes some amazing fatty acids such as ricinoleic acid, linoleic acid, stearic acid, and oleic acid. There's some misconception around these types of acids which makes a lot of people rethink and stay away from castor oil. Scientifically proven, these acids actually have anti-inflammatory, antimicrobial, and moisturising properties.
While you may think that it is just a vegetable oil, but in reality castor oil penetrates the skin way better than other vegetable oils out there. Although it is widely used in foods but the benefits even go as far as helping the stomach to relieve constipation. Which is why castor oil is also used in a lot of laxatives.
There's not that much scientific evidence yet that can prove that castor oil is effective in treating dark spots. But still a lot of people have benefited from adding castor oil to their skin care routine. Since it is considered safe to use, you can still give it a try. You may also do a patch test before applying it to your dark spots, in case you have never used castor oil in the past.
Definitely. And some of them are even backed by science. You may even have them in your home right now and can give them a try anytime you'd like. Some of the most common and effective remedies include turmeric and apple cider vinegar.
Although castor oil is generally safe to use, but you should keep a few things in mind before buying it or using it.