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Charlize Theron, 49, says this oil is her secret for full-bodied locks — and it's 50% off

'It’s definitely made my hair thicker,' the Oscar winner said.

When someone as radiant as Charlize Theron shares their beauty secrets, our ears perk up. And when it's something affordable? We take action like we're heroes in a spy movie. We may not be Atomic Blonde, but armed with castor oil, we can pretend we are. Right now, you can snag a bottle of Handcraft Blends castor oil for just $10, down from $22, at Amazon.

Formulated with 100% pure castor oil, this skin nourisher can also be used on hair to help promote moisture and growth.

$10 at Amazon

Why is it a good deal? 💰

There are many castor oils on the market to choose from, but a similar bottle can set you back for as much as $38, making $10 for this fan favorite a bargain.

Why do I need this? 🧐

While love getting beauty tips and tricks from celebs, the dazzling Charlize Theron loves getting recs, too. She told Harper's Bazaar, “I get most of my beauty information from other women. Women need to share with each other more—we’d all be more beautiful!” And that means she's all too willing to let us in on her secret to thick hair. She relies on a natural product for that: castor oil.

“Someone told me about it," she said. "I put it on my brows and scalp once or twice a week. It’s definitely made my hair thicker.”

It's no secret that castor oil has health benefits — it's rich in ricinoleic acid and omega-6 fatty acids which nourish skin and can help heal wounds. The triglycerides help moisturize the skin as well as cleanse it. It's also a natural humectant which means it helps retain moisture. While there aren't any studies that show castor oil promotes hair growth, an army of Amazon shoppers says this No. 1 bestseller helps thicken hair, lashes and brows.

Charlize Theron (Getty)
We're picking up what this blonde Bombshell dropping. (Getty)

What reviewers say 💬

More than 22,000 shoppers rave about the benefits of this castor oil.

Pros 👍

"I literally can’t believe this is working," raved an amazed user. "And not just working, working FAST. I’ve had major hair loss from a combination of weight loss and back-to-back pregnancies. Basically, my hair has been thin as heck since 2018, and nothing has helped until this."

"This product is definitely good for thickening hair," reported another happy shopper. "I used to have a prominent bald shot in the front, and this product has made my hair thicker to the point that you cannot see the bald shot."

"I had over-tweezed eyebrows that were really bothering me," shared another satisfied customer. "I use a little of this oil on them, and they are coming in thicker."

Cons 👎

Shoppers say to be prepared for the consistency of this castor oil.

"I don’t like the consistency of castor oil but its benefits outweighed the issue," shared one shopper.

Another shopper suggested this solution: "It's very thick so for my hair I diluted it with olive oil."

Castor oil is also great for moisturizing skin and protecting the skin barrier.  

$10 at Amazon

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $35 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.