Best Hair Growth Serum

The Lady's Top 5 Topicals

Bottles of Hair Loss Serum

I’ve had alopecia since I was 11 (I’m now 37). Sometimes it’s been a small patch, other times my baldness has taken over my entire scalp, and claimed my eyebrows, too.

Over the years, I’ve tried A LOT of treatments. Including hair loss shampoos, conditioners, concealers and serums – some of which helped, some of which merely dashed my hopes and shrank my bank account.

In this post, I’ll talk about the best hair growth serum I’ve found, plus a few runners-up. Because while I’m wary to say that anything can suddenly regrow your hair, the right topical treatment can support a healthy scalp environment, which in turn, can both prevent hair loss and encourage growth.

From my experience, hair growth serums do actually work. And they can promote hair growth better than a shampoo and conditioner can, as they penetrate deep into the hair follicles, instead of being rinsed off after a few minutes.

Plus, adding a protective and reparative hair serum can maximize the effect of other hair loss treatments: giving you an even better chance of hair regrowth. So now let’s look a my favorite serums!

Emma's 'I'm not a doctor' disclaimer

Hi there, I’m an alopecian, I’m not a doctor! Any advice I give is based on my own research and personal experiences . This site is, however, reader-supported. When you buy through external links, I may earn a tiny affiliate commission. Learn more here. I also keep the lights on by selling my own headscarves and alopecia merch.
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My Top Hair Serum: Sneak Peek

vegamour serum

Vegamour GRO Serum

MY #1 Fave

5 of the Best Hair Growth Serums

There are hundreds of hair serums out there that boast of giving you shinier, healthier hair. (Ok, probably waaaay more!) But this is an alopecia website, so instead of just focusing on the results that’ll make you look like you’ve stepped out of a hair salon, the ones on this list can actually reduce hair loss and promote hair growth.

Remembering there aren’t any ‘quick fixes’ or miracle cures here for an autoimmune condition that could be triggered by, oh, plenty of things, here are my top picks to help you regrow hair.

#1 Vegamour GRO Serum: Worked For Me!

This prettily packaged and sweet-smelling serum is top of my list for the simple reason that it works. Or at least, it did for me!

I began using Vegamour when pregnant and, in the second trimester, I’d begun shedding more hair instead of suddenly having fuller hair like pregnancy websites had led me to believe. I’d also started losing my eyebrow, which disappeared entirely in the midst of my postpartum hair loss, and I wanted a topical hair treatment that would be safe to use, while pregnant and also for breastfeeding.

Vegamour’s GRO Serum – which blocks DHT with amazing natural hair growth ingredients like mung beans, red clover and curcumin – brought white vellus fuzz back to my bald patches for the first time in several months. And the results were incredibly quick, too…like, a matter of weeks!

Their eyebrow serum also had pretty dramatic results, as my eyebrow was back for good after just a couple of months of use. Admittedly, I haven’t been consistent enough using the scalp serum (which you’re supposed to use daily, I maybe remember 2 or 3 times a week!) – but customer reviews are also really positive about this serum’s hair growth potential.

They also make an Advanced version with CBD oil…both of which were effective for me. The only downside of Vegamour is its high price, plus the fact that some people (including my husband!) might be allergic to its many botanical ingredients and essential oils.

If you can handle a little extra sneezing though, and if you can afford it, I’d highly recommend GRO or GRO+ Advanced serums from Vegamour.

vegamour serum

#2 Revita Spectral.CSF: Best Value

Full disclosure: I haven’t had a chance to try Revita’s hair serum yet. BUT I have been a loyal Revita customer for quite some time now, and their shampoo and conditioner are my favorite products for managing hair loss.

I’m really excited to try this serum, formulated especially for women, with 5% nanoxidil and other great hair growth promoters like aloe vera, tricopper peptides and ginseng.

It’s also half the price of Vegamour’s GRO serum…so if it’s even a bit as effective, that would be a much more affordable hair growth treatment for me! Considering the early studies around Nanoxidil and the potential of this serum, I think it’s brilliant value.

Nanoxidil, by the way, is the brainchild of DS Labs (the company behind Revita) and even though it’s relatively new, it’s lauded as “the new minoxidil” – proven in clinical studies to boost hair growth, without the harsh side effects of topical minoxidil. Check out my full post on Nanoxidil here, or my review on Revita shampoo below.

My order of Spectral.CSF has just arrived this week so I’ll keep you posted with hair growth progress!

Revita serum

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#3 Divi Hair Serum: Natural Choice

This serum for men and women is, like Revita and Vegamour, dermatologist-tested, vegan and cruelty-free. The brand says straight up that they don’t believe in ‘miracle fixes’ through harsh chemicals…but they have seen the power of natural ingredients and holistic self-care.

I like what these guys are about, and I also love the ingredients their serum contains. Anti-inflammatory and scalp-stimulating goodies like caffeine, tricopper peptides, tea tree oil and peppermint oil, rosemary leaf extract and green tea extract.

Together, these ingredients gently remove scalp build-up to nourish and replenish hair follicles, providing the optimal environment for promoting hair growth.

Divi serum reviews are really positive and although it’s slightly more expensive than Revita, it’s still way cheaper than Vegamour – although results will probably take longer.

#4 Folliboost Hair Growth Serum: For Light Thinning

Although it may not be as impressive in terms of its customer reviews, Folliboost’s hair growth serum from Tricho Labs still has its merits.

For one, it’s the cheapest option on this list – so it could be a good starting treatment if you’re new to hair serums. For another, it has some lovely nourishing ingredients like pea sprout extract, soy protein, peppermint oil and amino acids to protect and revitalize the scalp.

Although it probably will take some time to work and the results may not be as visible as with Vegamour or Revita, customers did notice thicker hair and an improvement in hair density, shine and softness after using Folliboost.

However, Folliboost is best for those with lightly thinning hair or recent hair loss – not so much for those with extensive alopecia, like me. If you also have widespread alopecia that’s been going on for some time, I’d recommend one of the options higher up on this list.

#5 Olaplex No. 3 Hair Perfector: Repairing Damaged Hair

Olaplex is a massively popular brand for treating hair loss. And like Revita with its Nanoxidil, it brings something a little more innovative to its serums, with its patented bond-building technology: known as Bis-Aminopropyl Diglycol Dimaleate.

This formula attaches itself to the ‘broken disulfide bonds’ of your hair (which can be damaged from things like chemical treatments and environmental factors), working to repair each strand and give each hair fiber greater structural integrity.

It also multiplies the bonds you have – for stronger hair that’s less prone to breakage. And less breakage = less hair loss!

While Olaplex is best used as a complete system, and while they also make a Bond Protector Nourishing Serum, I’m adding this weekly pre-shampoo treatment to this list instead…as it’s the best of the Olaplex brand, and the product I’d recommend trying first.

Buyer’s Guide: Finding the Right Serum

We’ve only covered 5 hair growth serums in this post – but there are countless more available. So many, it can be a little daunting to find the right one!

Bearing in mind that we’re all different and what works for me might not work for you, here are some things to look out for when shopping for a hair serum.


Let’s start with the stuff we don’t want: harsh chemicals like sulfates or parabens, deeply cleansing agents like surfactants…all of which can give you clean and shiny hair but could be doing your hair follicles damage by stripping your scalp of its natural oils.

Instead, try natural ingredients that boost your scalp’s nutritional profile and promote healthy hair: amino acids and vitamins, anti-inflammatories like aloe vera, curcumin and ginger, natural DHT blockers like caffeine and saw palmetto all work a treat. Plus, vegetable seed oils and essential oils are great for adding moisture and stimulating hair follicles.

Although it didn’t make my top 5 list, I’d also recommend Nutrafol’s Growth Activator serum as it contains ashwagandha extract: a wonderful ingredient for reducing stress and inflammation in the body to support hair growth.

Hair Type

The hair growth serum you choose might depend on your hair type. As if you are already prone to oily hair, you probably want a lightweight serum vs a moisture-rich option with a heavier consistency.

Whereas dry hair types might need that extra moisture splash (from things like hyaluronic acid or coconut oil) to tame frizzy hair and flyaways. So choose your consistency depending on your particular hair type and its needs – and if you have blonde hair, you might want a clear serum like GRO rather than a yellow-based one, so it doesn’t interfere with your hair color.


We can’t ignore the fact that there’s a pretty big difference between some of the serums on this list. And much as I love Vegamour, it is twice the price of Revita for a pretty small bottle! From my experience though, a little goes a long way (depending on the serum you use).

Try not to think of hair serums like shampoos that you’ll go through in a week or two: even though the bottle is often small, it should last you for at least a month of daily or twice daily application. But if money’s tight, start off small, with an entry-level option like Folliboost.

Brand Reputation

Too many haircare companies are preying on customers’ vulnerabilities with scammy autoship programs that people can’t cancel (and end up paying a fortune for unwanted products, as a result).

Even though I can’t trial every single product I mention on Lady Alopecia, I do my best to research the brand and to share with you whether I think they’re trustworthy…or not. Nanoahair is one hair serum brand I definitely wouldn’t recommend – see my full post to read why.

But I’d happily vouch for Vegamour and Revita in particular, as they’ve always delivered awesome customer service in my experiences. And their customer reviews reflect this, too! So make sure before you buy a new product, that you’ve researched the brand behind it – especially before signing up for a subscription service.

Lady Alopecia vegamour-reviews
With my box of Vegamour...I was more excited than I look in that photo!

How to Use Hair Growth Serums

All of the above hair serums, with the exception of Olaplex, can be applied in the same way. (Olaplex should be used as a pre-shampoo treatment, once a week.)

  • Step 1: Use the applicator dropper (or with Revita, it’s a spray) to apply the recommended dose of product onto your scalp. You can apply it to wet hair or towel-dried hair.
  • Step 2: Massage the serum into your scalp and throughout your hair. If you’ve decided to use the serum for styling, you can apply it to dry hair – but only use a small amount.
  • Step 3: Unless you’re using Olaplex, you don’t need to wash your serum out – let it sink into the scalp and do its thing!

Side Effects & Contraindications

Of course, any hair loss treatment comes with potential side effects…even the all-natural ones. I’d recommend reading my full review on each serum I mention here for the full breakdown of side effects (if any) but in general, here are some ones to look out for.

  • An itchy or irritated scalp
  • Nausea or skin rashes (perhaps from an excess of biotin or zinc)
  • Headaches


I would also recommend checking with your medical professional if you’re under 18, if you’re on blood thinners, or if you’re pregnant or breastfeeding before trying any new topical treatment…particularly those containing slightly stronger ingredients, like Revita’s Nanoxidil.

Common Questions

Which hair serum works best?

It’s hard to say, because I’ve yet to try Revita’s serum (but I’ve heard great things!) I have experienced hair growth again and again after using Vegamour’s GRO serum, though…if you can afford it, I’d highly recommend it.

Can a hair serum stop my hair falling out?

Yes, it can. It does this by strengthening and repairing damaged hair, right from the root, meaning it’s less likely to break off.

How often do I use a hair serum?

You can use your hair serum every day, after your shower. You could even use it twice a day if you like: once in the morning and once before bed. That’s why I did when I used Vegamour’s GRO serum!

Final Thoughts: Say Yes to Serum!

I know the world of hair loss treatments can be overwhelming. Like I said in the beginning of this post, I’ve been in this world for quite some time and got exhausted of seeking a ‘miracle cure’ myself…which is one of the reasons I’ve learned to embrace my alopecia instead and have stopped trying to treat it.

But a serum really isn’t that difficult to add into your hair care routine. Once you find the right one for you, you might even look forward to that daily scalp massage and the refreshing, tingling feeling it produces!

Remember, none of these treatments will work overnight: consistency is key, and you’ll have to be dedicated with your haircare routine.

It might be a learning curve, and could take a while for you to find the serum that’s best for your skin type and hair. But I hope at least one of the options I’ve given here can help your hair loss, help to stimulate hair growth and, at the very least, give you healthy hair in the meantime!

As always, feel free to share your thoughts and experiences below – I’d love to hear them.

Love & hugs,

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Lady Alopecia

Alopecian. Yoga Teacher. Copywriter. Here to share information, offer support and show people the adventures that can lie in hair loss. I’m proud to have alopecia and I want to help others embrace their baldness, too!

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