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10 Best Hair Growth Serums for Thicker, Fuller Hair

Searching for the Best Hair Growth Serums

Are you having a good day so far? I hope so, because I’m about to hit you with some statistics that will likely ruin it. Male pattern baldness plagues about 50% of men by age 50. It can start as early as in one’s teen years and 80% of men will have some degree of baldness by age 70. Women don’t have it much easier, as 40% will suffer from some form of female pattern hair loss by the time they’re 50.

Yikes! Well, that’s what baseball caps are for, right? Or that’s what you might believe if you weren’t already reading this list of the best hair growth serum brands. Nowadays, we don’t have to submit to baldness the second we see hairlines begin to recede. There are plenty of treatments with proven results when it comes to hair growth like minoxidil, biotin, and caffeine. 

Eagle-eyed readers of this list will notice that rather than highlighting the best hair growth serum products, I’ve included brands that produce hair growth items. To those of you asking what’s up with that, allow me to explain. Hair loss and regrowth are complex and there still isn’t a one-size-fits-all solution for most people. That’s why, as you’ll see when you keep reading, some companies develop personalized customer plans. 

So, keep reading to find out about the best brands in the hair growth space and what makes them worthwhile. You’ll find out about their prices, products, serums, ingredients, and what customers think about them.

10 Best Hair Growth Serums

#1 Happy Head

Best Hair Growth Serums

The Los Angeles-based brand Happy Head follow a telemedicine format in which they connect you with one of their board-certified dermatologists to determine which product and solution works for you. This cuts through the option paralysis that comes from choosing hair growth products; for instance, how are you supposed to know whether finasteride or minoxidil is better for you?

Thankfully, Happy Head knows. For $79 per month, they walk you through a consultation process to diagnose your condition, send you a monthly shipment of your order in discreet packaging (your secret’s safe with them), and ongoing concierge support with Happy Head’s team. You can pause or cancel your subscription at any time or make adjustments to your custom topical treatments as needed.. 

However, Happy Head wouldn’t be on my list of the best hair growth serum producers if they served you snake oil. They have serums that combine finasteride, minoxidil, and dutasteride in varying concentrations, minoxidil as high as 8%. They also have a blend specifically for women which features spironolactone.

Their customizable topical treatments allow shoppers to add or remove certain ingredients based on their needs, an attractive feature for folks with allergies. 

Furthermore, their hair loss solutions are available in multiple formats by themselves or in combination with others for quicker results. You can either apply the topical drops to your scalp, take oral pills, or use a combination of their topicals, orals, and thickening shampoo and conditioner. 

Customers say: “I was expecting to have to wait six months for any kind of noticeable results, but I have visible results in only 7 weeks. I’m sure it’s because I’m religious and methodical with my routine and never miss a day. I’m trying to figure out how to post some pics here, but I am very very surprised at my quick results. Customer for life!


  • Offer oral and topical solutions as well as shampoos and conditioners
  • Care plans and formulas are designed by dermatologists
  • Feature fully customizable plans and products
  • 50% off your first order with code GOHAIR

#2 Keeps

Best Hair Growth Serums

Keeps don’t develop their own hair growth serums. Rather, they serve as an intermediary between customers and hair care by delivering goods to their houses, figuring out which treatments work best for customers, and providing information. All of their treatments are FDA-approved and cost less than if you were to pick them up from a pharmacy. 

Their main products are finasteride and minoxidil, which are the two heavyweights in the male hair growth world. If you’ve looked up any remedies for male pattern baldness online, you’ll likely recognize both those names. Keeps offers them for $25 and $10 respectively on a per-month delivery basis. 

Customers say: After 9 months, I am finally seeing regrowth! It took patience but it’s so worth it. I haven’t lost any more hair. With the Finasteride tablets, my hairline stayed the same and I’m finally seeing regrowth.


  • Products are less expensive than orders from pharmacies
  • Offer simple, clear hair growth serums
  • Rated 4.8/5 stars based on more than 5,900 customer reviews on Keeps’ website as of May 2023

#3 Rogaine

Best Hair Growth Serums

Rogaine is arguably the brand that’s the most synonymous with hair growth serums. What’s funny is that their products primarily use minoxidil, so it’s not as if they’re reinventing the wheel. What they are doing is packaging that FDA-approved ingredient into foams and solutions for men and women that you can grab over the counter. 

If you’re looking for the best hair growth serum without a ton of extra fuss, you’ll want to check out Rogaine. Because of their brand name value, there’s a ton of information out there about them. Their products are widely available and fairly priced. Regardless of whether you’re picking up the foam or the liquid solution in men’s or women’s variety, you’ll be looking at a $29 price tag. 

Customers say: I was a bit skeptical at first and just followed the instructions to apply morning and night and in 2 and a half months I started seeing results. The thinning areas started to full out. I started to lose my hair line and after using this it has filled out completely. In the following 2 weeks to make 3 months of continued use(lol I missed one or two nights but continued) I can say I’m very pleased and just placed my second order.


  • One of the most trusted hair growth brands
  • Clear product label with either 5% or 2% minoxidil
  • Available over-the-counter without a prescription

#4 Act+Acre

Best Hair Growth Serums

There are few brands that take care of their ingredients like Act+Acre. The company uses a cold-pressing method to preserve their ingredients’ potency, meaning they should be stronger for longer periods of time. Additionally, these ingredients are usually natural and sustainable, and include the following:

  • Apple stem cells
  • Aloe vera
  • Bamboo and pea extract
  • Horsetail extract

Their catalog is focused on scalp care as a whole, so their hair growth product selection isn’t huge. It only includes two items right now; the Act+Acre Thick + Full Hair Capsules ($52) and the Act+Acre Stem Cell Scalp Serum ($86). The benefit is that their products are less likely to irritate your scalp compared to other growth serums because of their clear product label.

Customers say: For the first time in years my scalp doesn’t itch. It doesn’t weigh down your hair when used with other products. This product is amazing! 10/10 will repurchase.


  • Use sustainable and natural ingredients
  • Ingredient integrity is maintained through cold-pressing methods
  • Available in tablet or serum form

#5 ScalpMED

ScalpMED use a two-pronged approach to help customers regrow their hair. Their products are catered to both men and women, and each gendered product uses different amounts of minoxidil. As such, you’re not just getting a blanket treatment from them; your purchase is going towards a hair growth serum tailored for either men’s or women’s most common problems. 

There are two parts to every ScalpMED hair growth plan. The first is VitadilB, which contains the powerhouse ingredient minoxidil. The second part is NutriSol, ScalpMED’s proprietary blend that contains biotin, retinol, and panthenol. Both are topical treatments you can purchase in two-month, four-month, or six-month supplies. The two-month supply costs $115, though you’ll likely need a longer application period to see results. 

Customers say: I would recommend the product . I noticed a difference in six months. And after about nine months, you could really see the difference, although all heads of hair is different. Be patient and watch the grass grow.


  • Create products for men and women
  • Free shampoos or vitamins are offered with every order
  • 120-day return policy

#6 Alpecin

Best Hair Growth Serums

Only of the leading causes of pattern baldness is testosterone, but trying to inhibit how much of it your body produces can have some unintended side effects. Alpecin create one of the best hair growth serums in that theirs works to directly combat hair loss. Rather than adding products like minoxidil or finasteride to spur hair growth, their shampoos and liquids target the scalp to inhibit the production of hormones that block hair growth. 

Their key ingredient is caffeine, which attaches to hair follicles when you wash your hair and protects them from testosterone. That’s why drinking coffee isn’t enough to protect against hair loss – it must come in direct contact with your hair. 

Alpecin’s two main products are the Alpecin Caffeine Shampoo C1, which is available for $30, and the Alpecin After Shampoo Liquid, which costs $38

Customers say: The first day I used Alpecin shampoo I noticed that there was significantly less hair in my shower drain screen, and this has been consistent for the 6 months I’ve been using the shampoo and after-shampoo liquid.My hair looks much fuller than it did with standard shampoo.


  • Available internationally
  • Caffeine-based shampoos and liquids to prevent hair loss
  • No prescription required

#7 Vegamour

Best Hair Growth Serums

As I mentioned in the introduction of this list, men aren’t the only ones who deal with hair loss. Women and other gender non-conforming people also struggle with fate’s cruel hand regarding baldness. That’s why I’ve included Vegamour and their GRO Hair Serum in my list of the best hair growth serums. 

This product was created to directly combat the causes of female hair loss. It’s a topical liquid you leave in your hair. It also features three ingredients you won’t find in many of the other best hair growth serums, including the following:

  1. Mung bean
  2. Red clover
  3. Curcumin stem cell extract (also known as turmeric)

These ingredients help the Vegamour GRO Hair Serum counteract causes of hair thinning like increased DHT and miRNA22. A single purchase of a one-ounce bottle costs $64.

Customers say: there’s a huge difference in the length of my hair and it feels a lot more soft, healthy, and has way less breakage. My scalp loves it, it’s no longer itchy and I now wash my hair only 2x a week where as before I would wash about 4x a week and my hair felt so dry and would break super easily. 


  • Plant-based products
  • Designed for women and FMAB people
  • Can be worn in your hair all day

#8 Roman

Best Hair Growth Serums

You may be wondering why I’m including so many online health companies in a list of the best hair growth serums. Well, it’s because the serums are already pretty well-defined. What’s more important is how you get the items and how much you pay for them. Roman’s structure is similar to other companies in that they provide you with products (either OTC or prescription) based on your current conditions, medical history, and experience with hair serums.

Their products include the following:

  • Finasteride & Minoxidil – $35 per month
  • Finasteride – $20 per month
  • Oral Minoxidil – $30 per month
  • Minoxidil – $16 per month

Roman also include free follow-ups and discrete shipping. I should add that hair loss isn’t their only specialty; they also deal with other common men’s issues like erectile dysfunction, premature ejaculation, and low testosterone. 

Customers say:  I am noticing my hairline is starting to come back in the front and on more of the top is filling in. I still have more growth to go, but its trending in the right direction. I apply it twice a day every day. Super easy to transport with you on trips as well.


  • 90-day customer satisfaction guarantee
  • Can cancel your subscription at any time
  • Free 2-day shipping

#9 Nutrafol

Best Hair Growth Serums

Nutrafol takes a holistic approach to hair thinning, targeting the inner issues rather than skating over them. I’m not saying that they heal your feelings, but rather, they choose ingredients that work on the factors that influence baldness like stress, hormones, metabolism, and nutrition. 

What’s nice is that their products directly cater to each customer’s lifestyle. They have a generic women’s product as well as a Nutrafol Women’s Vegan, Nutrafol Women’s Postpartum, and Nutrafol Balance for women over 45. 

In terms of pricing, Nutrafol’s products are on the higher end compared to some other hair care brands. For example, their supplements are priced at around $88 for a one-month supply. However, the company offers a 10% discount on all subscription orders, as well as free shipping on orders over $50.

Customers say: I have been using Nutrafol for 3 months and I see a great improvement in hair growth and stronger nails! I will continue to use it and think it has been incredible. I take my pills daily and do not skip so that my regime is static.


  • Products remedy many ignored factors that influence hair loss
  • Items are tailored toward each person’s age, nutrition, and other factors
  • All products are 100% drug-free

#10 Nioxin

Best Hair Growth Serums

Nioxin offers many of the best hair growth serums for men and women, with a specific focus on people who’ve colored their hair. They have products for bleached hair as well, and their hair care comes in the form of shampoos, conditioners, sprays, supplements, and leave-ins.

They also divide their catalog by specific symptoms, meaning you can find a product that works for you if you suffer from hair breakage, thinning, or excessive growth. Nioxin includes many natural ingredients like caffeine, saw palmetto, biotin, and tea tree oil. Their prices are fair, usually ranging from $20 to $30 per bottle. 

Customers say: This is the best product on the market for regrowing hair. My hair was falling out for no apparent reason, I went to the doctor she ran tests with no results. I had a friend who had cancer and used this to regrow her hair, and it works. I only use this shampoo. I don’t care what it smells like or if it gives volume, it works!


  • Products are available at many retailers without a prescription 
  • Use all-natural ingredients 
  • Items are tailored towards specific hair concerns

How To Shop For the Best Hair Growth Serum

Best Hair Growth Serums

Here are some tips on what to look for in the best hair growth serums:

  • Ingredients: Look for hair growth serums that contain natural ingredients such as biotin, keratin, caffeine, and castor oil. These ingredients have been shown to help promote hair growth and improve hair health.
  • Safety: Ensure that the hair growth serum you choose is safe and free from harmful chemicals such as sulfates, parabens, and phthalates. These chemicals can damage your hair and scalp, and may even cause hair loss.
  • Customer reviews: Check customer reviews and ratings of the hair growth serum you are interested in. This will give you an idea of how effective the product is and whether it has worked for other people.
  • Brand reputation: Choose a hair growth serum from a reputable brand that has a good track record of producing quality hair care products.
  • Price: Compare prices of different hair growth serums and choose one that fits your budget. However, don’t compromise on quality for a lower price.
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