Whether the issue is a bad haircut, a case of COVID, stress, or thinning, just about all of our hair growth journeys have come with speed bumps. The key to healthy hair growth is ultimately a healthy lifestyle (i.e., hydrating, eating well, and sleeping enough), but there are also a number of topical products, like hair growth shampoos and hair growth vitamins, that can enhance scalp health and stimulate hair growth alongside your regular shampoo and conditioner. The best hair growth oils are another essential tool to boost any hair growth regimen.
Simply put, "Hair growth oils are serums that help restore nutrients to your scalp and increase stimulation and hair production," Dr. Mona Gohara, a dermatologist who serves as Vice President of the Women’s Dermatologic Society at Yale University, tells Marie Claire. "Oils can thicken the cuticle, making the hair appear fuller. As the hydration is absorbed, the cuticle expands giving the appearance of growth."
Applied directly to your scalp in a few small drops, hair growth oils nourish your hair without weighing it down. (Win-win.) Below, find the best hair growth oils recommended by editors, reviewers, and doctors. Each one is formulated with safe, scalp-stimulating ingredients for your hair to reach new lengths.
- Best Overall Hair Growth Oil: Philip Kingsley Density Preserving Drops
- Best Hair Growth Oil for Sensitive Scalps: Juices & Botanics Gentle Formula: The Drip Gentle Healthy Hair Growth Elixir
- Best Hair Growth Oil for Hair Regrowth: Olaplex No. 7 Bonding Hair Oil
- Best Hair Growth Oil for Minimizing Shedding: Natucain Hair Activator
- Best Natural Hair Growth Oil: Briogeo B. Well Organic + Cold-Pressed 100% Castor Oil
What to Look for in a Hair Growth Oil
Different hair growth oils are best for different hair types and needs. For that reason, we asked Dr. Peter Young, a board-certified dermatologist and medical director for Keeps, reiterates that ingredients in each oil support healthy hair growth, giving the appearance of thicker hair, rather than growing net-new hair from nowhere. However, hair growth oils can still go a long way.
"Your hair has fat in it, and oils are pretty much pure fat, so putting them on your hair can help restore those naturally-occurring fats," Dr. Young explains. "Oils high in saturated and monounsaturated fats are good because these types of fatty acids penetrate the hair strand more easily. Oils with polyunsaturated fats, on the other hand, don’t have the same effect."
Which so-called optimal fats should you look out for? "One option is coconut oil," he says. "In fact, one study showed that coconut oil assisted with decreasing how much protein the hair lost, which basically means it prevented the hair from getting weaker. Another oil that’s high in saturated fat is palm oil (such as saw palmetto oil), and some options high in monounsaturated fats are almond oil, olive oil, and argan oil."
When shopping for hair growth products of all types, Dr. Young also recommends "plant-based, organic, and raw" ingredients such as biotin, caffeine, and green tea. These are "science-backed ingredients designed to support hair growth and give the appearance of thicker, healthier-looking hair," he says.
How to Use a Hair Growth Oil
It bears repeating: Hair growth begins with a healthy scalp. For that reason, Dr. Gohara instructs to massage hair growth oils directly into the scalp to stimulate hair at the root. "Once you’ve shown your scalp lots of love," she says, "you can carry the product through to the ends."
Personally, I use a hair growth oil every time I wash my hair. Anabel Kingsley, master trichologist and president of Philip Kingsley, taught me how to apply an oil: After I've detangled my hair and applied my favorite leave-in conditioner, I apply my hair growth oil along my partline. Then, I make other partlines across my head, ear to ear, about an inch apart. Along each partline, I drop thin layer after thin layer of oil, rubbing it into my scalp with my finger every time. Once I'm done, I massage my scalp with my fingers or with a scalp massager so that the oil distributes evenly and absorbs more easily.
How Often to Use Hair Oils
Read the instructions on the back of your hair growth oil very carefully before committing to an application routine. "[S]ome oils have you apply once a day while others are more frequent," Dr. Gohara points out. She adds that it's perfectly all right to use multiple hair products at once, so long as you "couple your hair growth oils with a shampoo and conditioner routine to make sure your hair is getting as clean and nourished as possible." Clarifying shampoos are a perfect companion for hair growth oils, she notes.
Still worried that adding an oil to your regimen will make your hair look greasy? Dr. Gohara points out that many hair growth oils are applied before showering. But if the oil needs to be applied in the morning, you can always wear a sleek bun or ponytail. Indeed, there are countless elaborate updos or quick, easy updos for a day of hair oiling.
The Best Hair Growth Oils
The hair growth oils on this list have either been tested and vetted by Marie Claire's E-Commerce Writer, Gabrielle Ulubay (aka yours truly), Marie Claire's Beauty Director, Deena Campbell, and Marie Claire's Beauty Editor, Samantha Holender; or have been hand-selected by a hair stylist or board-certified dermatologist. Each one includes ingredients clinically proven to support healthy hair growth and support a healthy scalp, and is highly rated by reviewers. While the *best* hair growth oil for you will vary based on factors such as skin type, hair type, and personal preference, you truly can't go wrong with one of the items on this list. For a more personalized recommendation or if you have any concerns, check with your board-certified dermatologist or trichologist.
I use these scalp drops more than any others. Each time, I apply the liquid to my scalp along part lines spaced about an inch apart, across the top of my head. This oil helps reduce breakage and thinning—something I needed after suffering from stress-induced hair shedding. Developed by the Philip Kingsley Trichological Clinic, which is based in New York City, the formula is packed with powerful ingredients like caffeine, saw palmetto, glycerin, and azelaic acid.
Pros: editor-approved; alcohol-free; made with botanical ingredients; clinically tested
Cons: expensive
Customer Review: "I have tried others, this is the best. There is no stickiness and you cannot feel the product on your scalp after using. The hair around my hairline feels and looks slightly thicker." -FeelUnique
This vitamin- and antioxidant-rich oil from EssyNaturals has more than 300 five star reviews on Amazon, and is packed with castor oil and rosemary oil—two ingredients Dr. Gohara recommends for fostering healthy hair growth. The serum also incorporates caffeine, which Dr. Jerry Shapiro, a dermatologist at the New York University School of Medicine who specializes in hair loss, highly recommends. He explains, "Caffeine reverses the effects of dihydrotestosterone (DHT), the main hormone involved in hair loss."
Pros: contains natural ingredients; contains caffeine
Cons: thick, so overuse can make scalp appear greasy
Customer Review: "This stuff is amazing. Just a couple drops rubbed into my hair instantly made it look and feel thicker. It seems to be working and growing more hair after only about a week of daily use." -Walmart
Nutrafol is beloved for its line of hair growth products, including vitamins, shampoos, conditioners, masks, and leave-in products. This particular hair growth oil is a shopper favorite, one of whom noted that the formula increased hair growth and, perhaps more crucially, decreased hair loss and breakage. Made with natural ingredients like pea sprout extract, ashwagandha exosomes, and Irish moss peptides, it’s packed with protein and vitamins for visibly thicker, stronger hair.
Pros: beloved by customers; contains natural ingredients like ginseng; decreases shedding
Cons: expensive
Customer Review: "I tried many different hair serums. I like this one the most. It does not leave my hair greasy and absorbs fast." -Rejuvent Skincare
This oil uses fermentation to strengthen the impact of its key ingredient, green tea. "Fermentation breaks down natural molecules and makes them smaller, so it’s easier for them to absorb deeper into your skin’s surface," dermatologist Dr. Lindsey Zubritsky explains. The process allows this oil to effectively penetrate the pores of your scalp, bringing you closer to your longest, healthiest hair yet. It’s also unscented and gluten-free, so you won’t need to worry about it irritating your scalp.
Pros: contains natural ingredients like green tea; fermented skincare (strong); top-rated
Cons: high price for small bottle
Customer Review: "I LOVE this oil! It works great whether your hair is already dry or damp. Perfect for extra lightweight moisture and frizz!" -Sephora
Not all castor oil is created equal or up to Briogeo's beauty standards. This castor oil is cold-pressed to preserve the harvested seeds' nutrients. Reviewers use this not only on their scalp, but on lashes, brows, and other areas where their hair follicles need a little extra love. Beauty director Deena Campbell says that she started by using this product to fill in sparse areas in her eyebrows, which had fallen victim to over-plucking. "And now," she says, "I’ve graduated to using it for my edges—which are hairs I’ll forever go to great lengths to preserve."
Pros: clean; vegan; visible results; fan-favorite; editor-approved
Cons: none found
Customer Review: "I absolutely love and recommend this product to anyone suffering from hair loss." -Sephora
This activator promises to lengthen hair by 20 percent. It also heavily features citrus oils, which Dr. Gohara lists among her hair growth oil essentials. While the container is small, a little goes a long way, and there is enough product inside to last users for eight weeks. Developed by hair biologists and extensively tested for efficacy, it’s made with a moisturizing blend of antioxidants and proteins, including keratin, to strengthen hair from root to tip. According to one simple yet compelling review, "This product is magic."
Pros: dermatologist-recommended; developed by hair biologists; top-rated
Cons: small bottle
Customer Review: "I just finished my first bottle of Reverse Activator. It did not discolor my hair like other products. I have less hair loss and more hair in my target area (top back part of my head). I will continue to use this product—it really works." -Dermstore
This cruelty-free product contains jojoba oil, which Dr. Gohara highly recommends looking for in a hair growth oil. Cruelty-free and gentle enough for daily use, it’s also loaded with other natural ingredients like soybean oil, castor oil, sweet almond oil, rice bran extract, tea tree oil, sage leaf extract, and more—but it's free of harmful parabens or sulfates. While its formula is rich, it’s made to nourish the scalp without leaving it or your roots greasy. And with a price point under $15, you truly can’t go wrong.
Pros: dermatologist recommended; paraben-free; affordable
Cons: thick, so can make thin hair look greasy
Customer Review: "I fall in love the this oil instantly, it helped my hair so much and my hair got a lot thicker." -Ulta
"The Natucain Hair Activator is my go-to hair serum because of its patented MKMS24 plant based technology that supports the appearance of stronger and fuller looking hair," says Dr. Gohara. "Ingredients are very important to me when I look at a product, which is how I initially got interested with this brand, but the results are even better!" The formula’s ingredients are of 100 percent natural origins, and are made to ameliorate breakage. One bottle of this product lasts for about three months, but according to the brand, you can expect to see results in just eight to 12 weeks.
Pros: dermatologist-recommended; plant-based
Cons: expensive
Customer Review: "After experiencing postpartum hair loss this product came in to save the day. I'm well on my way to my pre-baby hair texture and volume." -Target
I'm a huge fan of this hair growth oil, which features argan oil, chia seed oil, jojoba oil, and several other gentle, natural ingredients. While I have a lot of dense hair, I'm often concerned about my scalp looking greasy. This oil, however, absorbs beautifully into my scalp without making it look or feel slick. Plus, it smells fantastic. To use, simply part towel-dried hair in one-inch increments along the scalp, from ear to ear, tracing the oil down each part line along the way. Rub in with your fingertip to ensure absorption.
Pros: natural ingredients; made with natural hair in mind; gentle; editor-approved
Cons: very small bottle
Customer Review: "The drip is everything! It makes my hair so soft, and feels great on my scalp." -Juices & Botanics
This unique formula uses organic pea sprout extract, Chinese Scullcap, soy, caffeine, and wheat sprouts to stimulate hair root for increased hair density. Plus, it features another one of Dr. Gohara's favorite ingredients: castor oil, which has long been beloved for its restorative effect on hair health. It’s a perfect product for those experiencing thinning or a receding hairline along the top of their scalp. Plus, it works well on all hair types and curl patterns, enhancing volume and making hair look fuller in just 12 weeks.
Pros: uses natural ingredients like castor oil; contains caffeine to stimulate hair growth
Cons: strong smell
Customer Review: "I was really depressed about the hair loss but this product made me feel better about myself when I started to notice regrowth around my edges and temples." -Dermstore
This hair growth oil is formulated with CBD, which strengthens hair follicles at the root level. Furthermore, its chemical-free makeup is crucial for long-term hair growth. Several customer reviews attest to reduced hair loss, increased hair growth, and thicker strands after using the formula for a few weeks. Optimal results are expected to occur after four months of daily use, and the formula is made to cater to all users: It’s 100 percent vegan, color-safe, cruelty-free, and doesn’t contain silicones, phthalates, sulfates, or parabens. Even its bergamot fragrance is synthetic-free.
Pros: clinically tested; vegan; contains CBD
Cons: small bottle
Customer Review: "A serum that actually works! I started losing so much hair last year and started seeing my line receding. I immediately started looking for products that stimulated hair growth and stumbled upon Vegamour. This serum is so easy to use; it has a watery consistency, doesn’t feel sticky and doesn’t make the hair oily. I use it every other day as soon as I get out the shower. Within three months of using it, I’ve noticed a huge difference. I have a ton of baby hairs now!! Will definitely continue to use, and would recommend for anyone who is experiencing the same!" -Sephora
If you want more than an instant fix, heed Dr. Gohara's advice to avoid hair oils that contain silicones as a main ingredient. While scientific studies have not yet come to a consensus about whether silicones—which smooth hair in the short-term— are harmful or helpful to long-term hair health, avoiding synthetic materials in hair growth products is a good rule to live by. This silicone-free formula from The Ordinary checks this crucial box, opting for a vegan formula that employs ingredients like caffeine, Camellia Sinensis Leaf extract, Larix Europaea Wood extract, and more.
Pros: silicone-free; affordable; alcohol-free; works on all hair types
Cons: some users said it left buildup and residue
Customer Review: "Not only did this help my hair grow, but it made it so much thicker as well!" -Ulta
Dr. Gohara counts jojoba seed oil and coconut oil among her most desirable hair growth oil ingredients, and both are included in this formula. It's also silicone-free and combats hair and scalp dryness. To avoid greasiness, though, one reviewer helpfully instructs, "The best way that I have found that this works is by slightly dampening my hair first, then adding a few drops of this oil into my palm, rubbing my hands together, then running through my hair, especially the parts that seem more damaged."
Pros: decreases frizz; contains natural ingredients like coconut oil; silicone- and sulfate-free
Cons: thick, so may make thin hair look greasy at the roots
Customer Review: "I love this oil! It smells amazing, it’s light and it doesn’t leave my hair feeling greasy. I only apply it to my scalp and I know longer have issues with my scalp feeling itchy and dry." -Sephora
Beauty editor Samantha Holender swears by this oil. "I have ridiculously thin hair, so applying hair oil is a risky business. I typically end up looking like a greasy mess," she says. "But this sulfate-free, paraben-free, lightweight one is the exception to the rule. It gives my hair shine (not oil), seals my split ends (there are many), and smells delicious (think: fresh meets citrus). Over the course of a few weeks, I noticed that my hair felt stronger overall—my hair looked less fried and felt stronger."
Pros: sulfate- and paraben-free; reduces frizz; enhances shine; editor-approved
Cons: high price point for small bottle; more suited for straight than curly hair
Customer Review: "This is the best oil I have ever used in my life. It’s honestly worth every penny. It’s literally magic in a bottle. It’s fixed my frizzy hair and just made my hair healthier. If you’re thinking about buying it, do it." -Sephora
This clean product works well for all hair types, but was formulated with curly and natural hair in mind. It’s made to enhance shine and protect the scalp and hair from UV damage—something that’s particularly helpful for skin on the part line(s). For those suffering from dandruff or dry, flaky scalps, it’s also great at balancing the skin and eradicating buildup and flakes. Customers are particularly pleased with how effective it is for taming frizz, and users with natural hair say it’s perfect for using before wearing protective hairstyles like braids.
Pros: good for curls; good for natural hair; provides scalp with UV protection
Cons: strong smell; thick, so may make thin hair look greasy
Customer Review: "This oil is nourishing yet so lightweight. I’ve been using it on silk pressed hair and my hair looks so shiny and healthy. I also use it after a flat iron and my hair comes out way more flowy as the oil doesn’t weight the hair down. A bonus is that it smells amazing!" -Sephora
This paraben-free, sulfate-free formula's organic origins make it safe for long-term use on natural hair, and customers rave about its results. Top reviews say that results manifest themselves within a month, that the formula smells divine, and that it even helps with styling. You can apply it straight to your scalp by either using a scalp massager or applying along your part line(s), or you can apply it to the hair shaft to add shine. One reviewer writes, "My hair has never been so soft and my curls are so much more defined than ever before."
Pros: made with natural hair in mind; moisturizing; good for curls
Cons: contains sulfates; contains alcohol; has a sweet smell that may be polarizing
Customer Review: "If you want to enhance your curly or wavy hair then this hair oil will bring out the best of your hair. This product is also effective for moisturizing your scalp to prevent and eliminate any dryness and accompanying itch." -iHerb
This hair growth oil has gone viral several times over the course of the last year, with good reason. It improves hair growth and retention by strengthening the hair and stimulating the scalp, resulting in a tingling feeling that’s cooling and pleasant rather than overwhelming. It’s particularly well-suited for those with thick, curly, and/or natural hair, and several reviewers say that it's a great alternative to castor oil if you find the latter to be too thick or sticky. I've started using it recently, and I love the way it smells and makes my scalp tingle during use. It also never makes my hair look greasy, and even has a volumizing effect.
Pros: lightweight; cruelty-free; sulfate-free; Black owned business
Cons: strong smell; weak dropper leaks frequently
Customer Review: "Amazing! Helped with hair growth on bald spots and length! You just have to be consistent with it for results (one to three times a week)" -Target
This formula from Dr. Hauschka is designed for optimal scalp help. Its main ingredients include natural oils like citronellol, geraniol, limonene, and linalool, all of which stimulate the scalp. The product is an ideal solution for those with sensitive scalps, because multiple users report decreased dandruff, oiliness, itching, and overall scalp irritation after consistent use. It’s also cruelty-free, incorporates organic, fair trade ingredients, and doesn’t contain and synthetic fragrances, preservatives, or artificial colors.
Pros: moisturizing; easy application (sprays on); good for sensitive scalps
Cons: strong smell
Customer Review: "I’ve been using this hair tonic consistently every night for about two weeks. I’ve already noticed that my hair is stronger and shinier." -LovelySkin
Getting Healthy Hair
The best hair growth oils can go a long way in supporting your overall hair health, but there are a number of other crucial steps one should take to grow (and sustain) thick, healthy hair. Strong hair starts from the inside: If you want gorgeous, flowing hair, you need to minimize stress, drink plenty of water, and follow a healthy diet rich in nutrients such as protein and iron.
Kingsley also says that hair thinning should first and foremost be addressed "by optimizing the scalp environment and providing internal nutritional support." For that reason, many hair growth oils focus on supporting a well-moisturized, healthy scalp so that hair follicles can thrive.
Finally, be sure to keep up with your trims and to style carefully. Hairstylist and founder of HERcurls Haiya Eliza recommends getting a haircut at least once every three to four months, and to always get it cut in its natural state. "If you're straightening your hair to cut it, then you're damaging your hair in the process of cutting it," she warns, "and if you go to wear it curly, you're not going to have the same shape as you did when you cut it, because you cut it when it was styled a different way. And you've also applied heat to it, so you've damaged and weakened any curls you have."
Too attached to your length to get a hair cut? Haiya says that eschewing haircuts can actually cause more damage—and hinder your length—because the longer you wait between haircuts, the more likely you are to get split ends. "Naturally, we all get split ends," she says. "A strand will split into two, and that split will keep running up the strand until you stop it. So what happens is you have one strand that's become half a strand, and those two strands just keep breaking off as you brush it, detangle it, and so on." This creates a perfect storm of continual growth and continual breakage—causing you to lose length instead of retaining it.
Meet the Experts
Dr. Mona Gohara is a board-certified dermatologist who graduate medical school with AOA Honors before training as a dermatologist at Yale. Currently, she is the vice president of the Women’s Dermatologic Society as well as a member of The American Academy of Dermatology and The American Society For Dermatologic Surgery.
Dr. Shapiro is a dermatologist at the New York University School of Medicine who specializes in hair loss and combatting both and female- and male-pattern hair loss. He is particularly committed to finding healthy, nonsurgical methods of fighting hair loss and thinning.
Dr. Lindsey Zubritsky is a board-certified dermatologist who specializes in general medical dermatology, surgical dermatology, cosmetics, and pediatric dermatology. She is active on social media and passionate about demystifying skincare and debunking dermatological misconceptions. She is also a social media ambassador for and Fellow of the American Academy of Dermatology, an editor for the Journal of the American Academy of Dermatology (JAAD), and has contributed to a number of magazines.
Haiya Eliza is a Cuban-Bolivian hairstylist and founder of HERcurls, a brand focused on educating curl-owners about how to best care for and style their hair. Originally from Miami, she is currently based in Dallas, Texas.
Peter C. Young, MD is the Keeps Medical Director and a board-certified dermatologist. Dr. Young had a distinguished career serving as a physician in the U.S. Army for nine years before going on to practice dermatology in Massachusetts for 22 years. In addition to his published medical articles, Dr. Young has also been a speaker at national medical meetings on teledermatology and is a fellow of the American Academy of Dermatology. Dr. Young is currently located in Estero, FL.
Anabel Kingsley is a trichologist and president of Philip Kingsley, a haircare brand devoted to improving hair and scalp health from the inside out.
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