Give castor oil some time to weave its magic Ideally, you should allow castor oil to sit on your scalp and in your hair for at least for half an hour. In fact, you can even leave it on overnight, washing it the next morning. This will give the oil ample time to do its work.
There are no exact guidelines for how long you should leave castor oil on your hair. That said, know that leaving it in too long can actually dry out your hair and scalp. To prevent drying, wash the castor oil from your hair after about two hours.
Fine and medium hair should smooth castor oil through their mid-lengths and ends, leaving it on for up to 30 minutes before shampooing. Coarse, thick, and ultra-dry hair types, on the other hand, can leave castor oil in as an overnight treatment or smooth it over their ends as a leave-in.
Oiling overnight will cause dust accumulation and thus weakening of hair.”
Whether you are trying to avoid chemicals or are just looking to experiment with some new hair care products, try natural oils such as coconut, argan, jojoba, almond, olive and grapeseed. These are some of the best oils for hair health and can be used directly on the skin and hair.
According to Garodia, oil helps strengthen the hair shaft, especially in case of frizzy and dry hair. It's most beneficial when the oil is left in the hair overnight.
Moisturize Hair First
Before using any emollient (i.e. hair oil or butter), you always want to make sure that your hair has been wet first (i.e. your hair that has been moisturized first). Emollients don't “moisturize,” they simply “seal” moisture in. So the best way to use castor oil is on wet hair.
The tl;dr: no. "Castor oil will not grow hair," says Perry Romanowski, a cosmetic chemist and the author of Beginning Cosmetic Chemistry. "There is no evidence for it and no scientific theory supporting that it would work. So yes, it's a total myth."
As long as you are applying on clean hair, it's completely alright if the hair is damp or dry. However, damp hair has the tendency to absorb better so if you are looking for an effective treatment, apply oil when your hair is damp. To ensure the hair is not dripping wet, you can towel dry it once.
Prevents Hair Fall
Massaging your scalp with castor oil helps make the roots stronger and prevent hair fall. It has the ability to trigger and stimulate hair growth from dormant follicles.
“No studies exist showing castor oil can increase hair growth >1cm/month, which is the FDA standard of hair growth," says Dr. Hill. "However, I have patients tell me different all the time. Additionally, 90% of castor oil is made up of the fatty acid ricinoleic acid.
Oils like castor, peppermint, onion, coconut, jojoba, argan, amla, olive, grapeseed, rosemary, and tea tree are often recommended for hair growth. They help boost blood circulation and strengthen hair.
Castor oil is great for hair regrowth and thickening
That is also why it is so popular as an eyebrow, eyelash, and beard serum—to promote hair growth in such areas. It's also great for those who have fewer hairs on their head and want to stimulate more growth overall.
It's recommended to apply castor oil on your hair one to two times a week for at least three months to see the desired results. To boost its effectiveness, you can add to it a few drops of essential oil - tea tree and rosemary are both great options.
Stick to regular shampoo to avoid drying out your hair and scalp. Take a hot shower and apply shampoo evenly through your hair. Rinse out the shampoo to flush out the excess oil and remove the residue from your hair and scalp. You should be left with shiny conditioned hair.
Apply a few drops of castor oil, or the mixture you created with it, all over your hair 4 to 8 hours before washing your hair to give it time to penetrate. I usually do a pre-shampoo treatment before going to bed and then wash my hair first thing in the morning. That's it!
The moment your hair is left to soak in oil for more than 12 hours, your scalp collects dirt and mixes with your scalp's natural oil. Leaving oil on your hair overnight can make it greasy and sticky, and it will also attract dust from your pillow and bed. As a result, it can lead to hair loss and other hair problems.
Deep condition hair overnight as a daily moisturizer
This is one of our easiest tips on how to moisturize dry hair – apply a leave-in conditioner or hydrating hair oil, wrap hair in a silk scarf or shower cap, and get your beauty sleep. In the morning you'll wake up with hydrated, healthy-looking locks.
1 Hair Oil - 550 ml with Almond Shampoo - 350 ml Free (2 Items in the set)
Castor oil is said to help hair grow faster and thicker, and is popular around the world as a hair growth accelerant. Coconut oil supposedly has this property, too, but castor oil is more popular in the beauty community for hair growth.
Being very astringent in nature, castor oil can cause irritations to the skin. This could further lead to dryness, sensitivity, and even loss of hair and that's clearly not something you would want.