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French onion soup? Delicious. Add a grilled onion to the hamburger? Chef’s kiss. The last Tiktok trend? Incorporating onions into a hair care routine. Yes, you read it well. Onion extract in shampoo can actually be beneficial for their threads, according to experts.
“Onions are naturally antimicrobial, while they are rich in sulfur and antioxidants, so there is a truth in the potentially useful onion as an ingredient in hair products,” says Dr. Anna Chacon, a dermatologist certified by the Board in Miami, Florida. Because of this, there are several shampoos in the market that list onion extract as one of its main ingredients.
Next, we talk to experts about the potential benefits associated with onion shampoo, whether you can use it if you have color treated with color and more, in addition, it gathered some highly qualified options so you can buy.
What is onion shampoo?
Onion shampoo is exactly what it seems: shampoo that has onion as the main ingredient. Although funky may sound, the experts we are talking about, agree that onion extract can help hair health. “The onion contains sulfur, which is a key construction block for keratin, the protein that forms its hair,” says Dr. Ross Kopelman, a hair transplant surgeon in Kopelman Cabello Restoraration. “It also has antimicrobial properties that can endure a healthier environment of the scalp. Some studies suggest that it can increase blood flow to the scalp and reduce inflammation, which are important for hair health.”
More commonly, hair products with this vegetable are aimed at helping hair thinning and encouraging growth. A clinical trial even found that when the onion extract was applied topically, it helped people with alopecia areata (an autoimmune disorder that causes hair loss) with the regrowth. “While we need more research, I have seen some patients benefit when they use onion -based treatments as part of a broader hair care routine,” says Kopelman.
The advantages may sound great, but worried that onion shampoo let you smell like the Delicatessen counter? Don’t be. While onion extract can be a primary ingredient, the available shampoos that use it also have other beneficial ingredients (and pleasant smell), such as lavender or rosemary.
Can anyone use onion shampoo?
In general, free sales shampoos with onion extract are soft and sulfate, so they should be safe for everyone to use. That said, if you have treated hair with color, you may want to think twice. “The onions are acidic, so using them in color treated with color can interrupt the delicate equilibrium of pH necessary to prolong the appearance of freshly colored hair,” says Chacon. “Avoiding the treated hair and concentrating on the scalp is an option, but be sure to patch the test to make sure you have no sensitivity to the scalp.”
Chacon also recommends that those with sensitive skin continue with caution. “The smell could also be an obstacle here, as well as the effect that onions have on the eyes and the proximity of the scalp to the eyes,” says Chacon. “Instead, I would opt for rosemary oil, which is an alternative natural ingredient that has all antifungal effects, promoting growth but with a pleasant aroma.”
Finally, if you are allergic to something in the Allium family (such as onions or garlic), it is better to omit this type of shampoo. “I have seen some cases of misunderstanding champago contact dermatitis,” says Kopelman. “In addition, if you have an active eczema or inflammation of the scalp, it is better to consult with a specialist before adding something new to your regime.”
5 onion shampoos to buy
Ready to jump on the car and try an onion shampoo? Our experts recommend using it once or twice a week to obtain all the benefits. Less and may no longer notice any change, and it can be too hard. Next, we have gathered some of the most popular onion shampoos available.
This soft shampoo is possibly the most popular onion shampoo in Tiktok. It has onion extract to accelerate hair growth, as well as peptides to help with the elasticity and lavender extract to protect against breakage, according to the brand. The formula is also light, so it will not weigh threads.
“I would never know or guess that there was onion in this shampoo if you didn’t tell me,” says the selected NBC Zoe Malin reporter, who received a sample of the brand. “It smells like a professional grade shampoo and floral fragrance is quite strong, but it is not bad.
The onion extract is the star ingredient of this shampoo, but also has vegetable keratin to strengthen and vitamin E to nurture the scalp, according to the brand. It is also free of sulfates, silicones, parabens and mineral oils, so it is a good option for those with sensitive skin. MamamAarth also makes a treatment with onion hair oil to help with dehydrated hair. This shampoo has an average 4 -star rating of 9,463 reviews on Amazon.
Part of the “Clean AT Sephora” line of the beauty retailer, this shampoo is made with natural ingredients and is vegan and free of cruelty, according to the brand. In addition to promoting hair growth, it has additional ingredients that also provide natural UV protection, according to Fable & Main. It also has a pleasant and spicy aroma thanks to a mixture of nutmeg, saffron and sandalwood.
This set comes with shampoo and a license conditioning treatment, which have onion extract. While the experts we are talking about saying that you should only use onion shampoo several times a week to avoid irritation, this set is soft enough for daily use, according to the brand. It also has Rosemary to strengthen hair and give it a herbaceous aroma and biotin for brightness. The set has an average rating of 4.2 stars of 5,073 reviews at Amazon.
If smelling like an onion is one of its main concerns about this type of shampoo, consider this formula without perfume. The soft formula is safe for color treated with color and has antioxidants to help strengthen hair, according to the brand. It has an average rating of 4.4 stars of 3,841 reviews on Amazon, and many reviewers say your hair feels soft and remarkably stronger after using it.
Know our experts
In NBC Select, we work with experts with specialized knowledge and authority based on relevant training and experience. We also ensure that all expert advice and recommendations are carried out independently and without conflicts of non -reveal financial interests.
- Dr. Anna Chacon It is a dermatologist certified by the Board in Miami, Florida.
- Dr. Ross Kapelman He is a hair transplant surgeon in Kopelman hair restoration
Why trust NBC Select?
Bethany Heitman is a collaborator in NBC Select and a journalist who regularly covers beauty, home and lifestyle. For this story, he interviewed two experts in the benefits of onion shampoo.
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