14 Best Hair Growth Serums for Superior Hair Growth (2023)

Medically reviewed by Dr. Ahmad Chaudhry M.B.B.S.
Written by Our Editorial Team
Last updated

You need to take it seriously if you notice more frequent hair loss. It's not uncommon for hair to thin for various reasons, and various natural treatments are used to promote regrowth.

Purchasing a hair growth serum is a common practice. Many hair care products claim to give you thicker, fuller hair and a healthier scalp, but how do you know which ones are worth your money?

The best hair growth serums are discussed here in this article. Whether you need to fix split ends, thicken a thinning crown, or add hairline, you may achieve your goals with the right products and techniques.

What is a hair growth serum?

woman using hair growth serum

Hair serum for hair growth is a liquid mixture designed to promote hair manageability, enhance hair smoothness, and coat hair strands in a protective layer. In addition to preventing hair loss and caring for new hair follicles, the active components in these products also prevent hair loss.

Do hair growth serums work?

There is no magic pill that will restore your hair's health overnight. However, research shows that using a high-quality hair growth serum can significantly reduce the amount of hair loss, thins out, and breaks. 

The rate at which your hair grows naturally is influenced by several variables, including food, genes, and hormones. This means that every person's reaction will be different. A person experiencing severe hair loss should seek medical attention to determine and treat the underlying reason.

best hair growth products uk

Is there any scientific research on hair serums for hair growth?

According to a study published in the Journal of Cosmetic Dermatology, a hair growth serum containing 5% minoxidil and 0.01% tretinoin was found to be effective in promoting hair growth in women with androgenetic alopecia. The study showed that after 24 weeks of treatment, the serum led to significant improvement in hair density and thickness.

Another study published in the International Journal of Trichology found that a hair growth serum containing biotin, niacinamide, and panthenol was effective in promoting hair growth and reducing hair shedding in men and women with androgenetic alopecia. The study showed that after 12 weeks of treatment, the serum led to a significant increase in hair count and thickness.

How we rank?

The best hair growth serum needs to have the right balance of effective, clinically proven formulas and real results from users to make our list.

What are the best hair growth serums for healthy hair growth?

Using a serum with researched-back ingredients like turmericCapila Longapumpkin seed oil, rosemary, antioxidants, minoxidil, vitamins like biotin and B12, menthol, stinging nettle, peppermint, minerals, or even salicylic acid can help you grow your strands.

Let's discuss the best hair growth serums below:

1. Best overall: Bio-Pilixin Activation Serum

Bio-Pilixin® Activation Serum | For Men

If you're looking for a hair growth serum that is clinically proven to work, then the Bio-Pilixin Activation Serum is a great option. 

The active ingredient in this serum is Capilia Longa, which has been shown in clinical studies and lab tests to get the hair growth cycle back in sync. After 150 days of use, 73% of people had a clinically proven increase in hair density. Additionally, the formula is drug-free and has no risky side effects.

The Bio-Pilixin Activation Serum comes with a 150-day money-back guarantee, so you can try it risk-free. Overall, this is an excellent option for anyone looking for a hair growth serum that is backed by clinical research. is a great option.  


  • Clinically proven results in 150 days
  • Reduced hair loss and improved hair growth
  • Industry-leading money-back guarantee when following the routine
  • Exceptional price-to-performance ratio
  • Stronger, denser and thicker hair
  • 100% drug-free with no risky side effects


  • Limited stock

Bio-Pilixin® Activation Serum | For Men
Bio-Pilixin® Activation Serum | For Men
Our clinically tested serum contains research-backed ingredients to help reduce hair loss.

Bio-Pilixin® Activation Serum | For Women
Bio-Pilixin® Activation Serum | For Women
Our clinically tested serum contains research-backed ingredients to help reduce hair loss.

2. Best multipurpose: The Ordinary Multi-Peptide Serum

The Ordinary Multi-Peptide hair growth serums

Peptides are the essential amino acids that help the hair grow and get stronger, among other things. For example, the Ordinary Multi-Peptide Serum for Hair Density contains peptides like CAPIXYL and Procapil, which both help hair grow and stop hair loss simultaneously. It also makes the nails and scalp stronger.


  • Absorbs quickly
  • Light fragrance
  • Easy to use


  • No guarantee
  • Feels heavy and greasy on the scalp

3. Best scent: Camille Rose Ultimate Growth Serum

best hair growth serum, approved by hair specialist
Hair follicles are unblocked, and the scalp is stimulated by alma oil and Brahmi herbs in this natural serum. But a combination of sesame and coconut oils adds strength and moisture, reducing the likelihood of breakage.

Everyone may have long, beautiful hair with the help of this best hair growth serum, which smells like chocolate and honey and won't leave your scalp greasy.

Sesame and coconut oils are combined with extracts of golden jojoba and olive fruit to create a nourishing oil elixir that delivers a surge of intense hydration.

This revitalizing hair cocktail contains amla oil, known for its conditioning effects on the scalp, and Brahmi herbs, known for their ability to unblock hair follicles and promote healthy hair growth and blood circulation.


  • Smells great
  • Best for regrowth
  • Easy to use daily


  • Feels very greasy

4. Best texture: SheaMoisture Jamaican Black Castor Oil Hair Serum

hair growth serums

If you want to restore your hair to health and maximize its potential for length, Jamaican Black Castor Oil is a tried-and-true solution. SheaMoisture has created a special oil serum formulated to encourage healthy growth for curly, wavy hair. In addition, this enhanced composition is ideal for frizz control, although it works well on all hair types.

Those who routinely use straightening irons, perms, or other heat hair tools may benefit greatly from this concentrated oil serum. Its high concentration of moisturizing ingredients allows it to penetrate deeply, treating the scalp and each hair strand with minerals, nutrients, and vitamins to revive hair that has been damaged or chemically treated.

This best hair growth serum helps sustain healthy, lustrous hair and increases resistance to breakage by thickening and moisturizing hair. The stimulating effects of peppermint on the scalp are another perk.


  • Soft and smooth texture
  • Moisturizes well
  • Non-greasy


  • Expensive

5. Best for hair thickness: Nutrafol Growth Activator Hair Serum

hair growth products

For thicker, stronger hair with visibly greater density, try Nutrafol Hair Growth Activator, a lightweight, the leave-in topical solution with a proprietary growth complex and natural ingredients. Combination with the daily use of Nutrafol hair growth tablets.

In addition to making hair appear thicker and healthier, the nutrient-rich elements in the best hair growth serum also reduce breakage and nourish, moisturize and revitalize the scalp, all of which are necessary for healthy hair renewal.


  • Increase hair thickness visibly
  • Strengthen your hair by minimizing breakage
  • Keep your scalp hydrated and nourished


  • No guarantee
  • Makes your hair greasy

6. Best budget: The Inkey List Caffeine Stimulating Scalp Treatment

The Inkey List Caffeine Stimulating Scalp Treatment

This treatment is cheap. It has a strong dose of caffeine powder to wake up your hair follicles. It did well in lab tests for making hair thicker, and our testers liked how it reduced hair loss and made hair look healthier. Everyone got rid of those pesky flakes, and people with colored hair were impressed by how much brighter their hair looked.


  • Silicone free
  • Suitable for all hair types


  • Can cause hair damage
  • It needs to apply for overnight

7. Best for frizz: Actsyl-3 Hair Growth Serum

Actsyl-3 Hair Growth Serum

The Actsyl-3 Hair Growth Serum uses only safe, all-natural ingredients in its formula. Additionally, it has Capixyl, an active ingredient proven to strengthen and repair hair follicles and promote better hair health.

Biochanin A, another ingredient, inhibits the formation of DHT, thus halting hair loss and preventing breakage. In addition, hair growth is stimulated by DHQG and EGCG2, two ingredients in the serum that are also absorbed quickly.

Therefore, this best hair growth serum is quickly absorbed and does not leave any sticky residue, allowing your hair to retain its natural, healthy appearance.


  • Cruelty-free
  • Paraben-free
  • Anti-frizz
  • Non-greasy


  • Intense bad smell
  • DHT blocker has contradicting research

8. Best for great volume: Advanced Trichology Nutra M Melatonin Hair Growth Serum

best hair growth serum, approved by hair specialist

Extensive clinical testing has been conducted on Advanced Trichology's Nutra M Melatonin Hair Growth Serum. The hair loss brought on by tension, dihydrotestosterone (DHT), or inflammation is reversed. The proprietary blend in this fragrance-free serum promotes hair growth and calms inflamed scalps.

Herbal ingredients like green tea and licorice root are included in the formula to improve circulation and promote growth. Grapefruit seed extracts add moisture and shine, and black cohosh reduces hair loss. The serum's niacin and melatonin ingredients both work to thicken and speed up hair growth.


  • Gluten-free
  • Cruelty-free
  • Vegan
  • Clinically-tested
  • DHT blocker


  • DHT blocking might cause side effects
  • It may cause little redness

9. Best for dandruff removal: Cristalbox Biotin Hair Regrowth Serum

Cristalbox Biotin Hair Regrowth Serum

The natural ingredients in Cristalbox Biotin Hair Regrowth Serum synergistically promote hair growth and health. For instance, ginger extract in the serum has been shown to improve blood circulation to the scalp, stimulate hair follicles, strengthen hair strands, and stop hair loss. Other ingredients prevent water loss, increase shine, mend broken hair, and tame frizz.

Grapeseed oil, an ingredient in the best hair growth serum, has antioxidant properties; it also helps seal moisture and adds shine to your hair. As a result, hair nutrition is enhanced, and a protective layer is formed, thanks to ginseng. Add two to three drops to your regular shampoo, rub your scalp and hair for five minutes, and then rinse.


  • Anti-dandruff
  • Non-greasy
  • Natural ingredients
  • Anti-frizz


  • Absorbs slowly

10. Best for unhealthy hair: Beaueli Hair Growth Serum

Beaueli Hair Growth Serum

The Beaueli Hair Growth Serum is the solution. Biotin oil, found in one of the best hair serum for growth, has been shown to reduce hair thinning and promote healthier hair. It helps brittle hair become stronger and grow out more quickly. It can be applied quickly and efficiently even to damp hair, increasing absorption rate and eliminating the risk of any residue being left behind on the scalp.

Since it contains argan oil, it will keep your hair and scalp hydrated and less susceptible to damage from daily use, thus preventing hair loss. Also, this serum's active ingredient, castor oil, make hair more flexible, lubricates the hair shaft, and reduces breakage.


  • Absorbs well
  • Anti-dandruff
  • Hydrating


  • It may irritate the eyes.

11. Best for damaged hair: Vitaoil Biotin Hair Serum

Vitaoil Biotin Hair Serum for hair growth

Hair loss is treated, and strength is increased with the help of Vitaoil Biotin Hair Serum. The special botanical combination makes hair thick and shiny. Aloe vera and argan oil are also included to hydrate the hair and make the volume more manageable.

The best hair growth serum contains vitamin E and biotin, which shield your hair from the damaging effects of the sun, pollution, and other environmental factors. If you're a hair or a woman struggling with hair damage, dryness, or dullness, this is your product.


  • Anti-frizz
  • Natural ingredients
  • Dairy-free


  • Strong smell

12. Best growth booster: Monpure Follicle Boost Hair Density Serum

Follicle Boost Hair Density Serum

Research has shown that the pumpkin seed extract featured in this revolutionary serum can stop hair from thinning or falling out altogether. This effect is achieved by inhibiting 5-alpha reductase, an enzyme responsible for producing chemicals that shorten the hair's anagen phase and hasten its transition into the shedding phase.

AHAs eliminate dirt and tiny particles by dissolving the "glue" that holds dead skin cells together. It clears out the hair follicles, allowing hair development to proceed unimpeded. The skin's pH is lowered from 5.5 to 3, a process triggered by these AHAs, signaling the dermal layers to begin producing healthy new cells.

The best hair growth serum's other active components, such as pumpkin seed extract, are more absorbed and stimulate the scalp because retinyl palmitate, a mild retinol, speeds up cell turnover.


  • No sulfates
  • No silicones
  • Suitable for vegans and vegetarians
  • Prevents hair loss and thinning


  • Doesn’t work for an itchy scalp
  • Most expensive on this list

13. Best for very thin hair: Vegamour GRO Hair Serum

Vegamour GRO Hair Serum

You'll see broad-spectrum hemp in Vegamour's innovative new solution, which boasts the same potent actives as one of the best hair growth serum. This anti-aging combination will help you take charge of your graying hair using effective yet gentle compounds derived from plants.


  • Vegan
  • Natural
  • Effective product for precise applications


  • Users reported irritation
  • Expensive

14. Best for curly hair: Curlsmith Scalp Stimulating Booster

curly hair curlsmith scalp Stimulating Booster

This mixture of soy and ginger was made with curls in mind. It is meant to reshape your locks and coils and make your hairline look and feel fuller.

One tester said that their hair is now "so soft and shiny and feels much fuller and stronger," and most of the panel was happy to see less hair fallout. Most people saw a boost in volume, and many saw their hair get thicker and better hydrated.


  • Vegan
  • Paraben free
  • Affordable price


  • Strong smell

How to maximize hair growth serum results?

To maximize hair growth serum effectiveness, do this: apply it correctly, massage your scalp, use hair growth supplements, and try a silk pillowcase.

Hair growth, as you probably understand by now, is a complicated problem that can benefit from looking at it from several perspectives. Therefore, the following procedures, in addition to obtaining one of the mentioned serums, may be effective:

Apply it correctly

Applying a hair serum correctly is an important step in achieving healthy and vibrant looking hair.

When applied correctly, serums can help to repair damage, add shine, and protect against further damage. Here are some tips for applying hair care serum:

  1. Start with clean, dry hair. Wet hair will not absorb the serum as well and will make it difficult to evenly distribute the product.
  2. Apply a small amount of serum to your palms and rub them together.
  3. Start at the ends of your hair and work your way up to the roots. Use your fingers to work the serum through your hair, paying extra attention to any areas that are particularly dry or damaged.
  4. Do not rinse out the serum. Instead, style your hair as usual.

With these simple tips, you can ensure that your hair care serum is working its best. When in doubt, follow the instructions on the label.

Remember to be gentle with your hair and avoid using excessive heat or chemicals, as this can undo the beneficial effects of the serum.


Using a derma roller can maximize hair growth serum results by enhancing the absorption of the serum into the scalp and stimulating hair follicles. A derma roller is a handheld device with small needles that create microchannels in the skin when rolled over the scalp. These microchannels allow for better penetration of the hair growth serum into the scalp, where it can nourish the hair follicles and promote healthy hair growth.

In addition, the use of a derma roller can stimulate blood flow and circulation to the scalp. This increased blood flow delivers vital nutrients and oxygen to the hair follicles, which are essential for healthy hair growth. The tiny needles on the derma roller also help to exfoliate the scalp, removing dead skin cells and buildup that can clog hair follicles and inhibit hair growth.

By combining the use of a hair growth serum with a derma roller, you can enhance the effectiveness of the serum and promote healthy hair growth. However, it's important to use the derma roller correctly to avoid damaging the scalp or hair follicles. Always follow the manufacturer's instructions and consult with a healthcare professional before using a derma roller on your scalp.


Scalp Activation Roller
Scalp Activation Roller
Micro-needling tool that is designed to be gentle, yet effective

Hair growth supplements

hair growth supplements

The argument is still out on whether or not hair growth supplements work, despite how convenient they are to take. Too much of a good thing, like minerals or vitamins, can be bad for you in other ways if you take too much of it. Therefore, eating your way to longer hair is the better, nutritionist-recommended approach to speeding up hair growth.

It's easier for your body to absorb vitamins and minerals from whole foods than from supplements. This means they will provide a more optimal balance of nutrients, just as nature intended.

Increased consumption of good fats, such as omega-3s, has stimulated hair growth. Because the human body cannot create omega-3 fatty acids on its own, eating foods rich in these fats is crucial for maintaining healthy hair. Therefore, we need to ensure that our diet includes these fats. They strengthen hair follicles and impart a healthy sheen to strands.

Hair Nutrient Tablets
Hair Nutrient Tablets
Contains zinc for the maintenance of normal hair, as well as niacin and riboflavin for the maintenance of normal skin.

Keep split ends trimmed

You'd think it would be unhelpful if you were trying to grow your hair. But on the other hand, regular trims get rid of dry, damaged split ends and are essential for healthy development. Leave those split ends alone, and they'll work their way up the hair strands, causing even more breakage, and all that will grow is your irritation.

Suppose you walk in without communicating your hair objectives to your hairdresser. In that case, they may keep cutting off too much length at each session, preventing your hair from growing.

There's no hard and fast rule about how often you should get a haircut; it depends on your hair's condition, style, and how often you wash and style it. However, the fewer you'll need cuts and the longer your hair can grow naturally, the better you care for your hair daily.

Sleep on a silk pillowcase

Hair Growth Serum

Instead of using cotton to absorb all the moisture from your hair and cause knots and breakage, switch to a silk cover or pillowcase. Sleeping with a silk pillowcase reduces friction, which may help hair grow faster but is not guaranteed. In addition, a softer surface is better for hair to rest on.


Remember that hair growth serums aren't a magic bullet despite their name. If you are experiencing significant hair loss, it is recommended that you ultilize other products to assist hair regrowth.

Hair typically grows between half an inch and an inch every month. Growth is stimulated by hair growth treatments, although this process takes time.

Try to follow a healthy diet. A well-balanced diet that includes the full spectrum of macro and micronutrients is the best and most sustainable way of supporting healthy hair growth.

Hair Growth Serum FAQs

What ingredients should there be in a hair growth serum?

The ingredients are usually based on what the product is trying to do, but here are the most common ones:

  • Biotin: Biotin is a B-vitamin that is essential for hair growth. It helps to strengthen hair strands and prevent hair breakage, which can lead to hair loss.
  • Caffeine: Caffeine is a stimulant that can increase blood flow to the scalp and promote hair growth. It may also help to inhibit the effects of DHT, a hormone that can contribute to hair loss.
  • Niacin: Niacin is a B-vitamin that can help to improve blood circulation to the scalp and promote healthy hair growth.
  • Keratin: Keratin is a protein that is a major component of hair. It can help to strengthen hair strands and prevent breakage.
  • Peptides: Peptides are small protein molecules that can help to stimulate hair growth by promoting the production of collagen and elastin in the scalp.
  • Castor oil: Castor oil is rich in ricinoleic acid, which has been shown to promote hair growth and prevent hair loss.
  • Saw palmetto: Saw palmetto is a plant extract that may help to inhibit the effects of DHT, a hormone that can contribute to hair loss.
  • Ginseng: Ginseng is a plant extract that can improve blood circulation to the scalp and promote healthy hair growth.

How do you know what hair growth serum is working?

The effectiveness of a hair growth serum can vary depending on the individual and the cause of hair loss. However, some signs that a hair growth serum is working include:

  • Reduced hair shedding: If you notice less hair falling out when you brush or wash your hair, this may be a sign that the serum is working to strengthen your hair strands and reduce breakage.
  • Increased hair thickness: As your hair grows, you may notice that your hair strands are thicker and fuller.
  • New hair growth: If you were experiencing hair loss or thinning, you may begin to see new hair growth in areas where hair was previously thinning or falling out.

How often should you use it?

The frequency of use for hair growth serums can vary depending on the product and its ingredients. It's important to follow the instructions on the product label and consult with a healthcare professional if you have any questions or concerns. In general, most hair growth serums are applied to the scalp once or twice daily.

How much should you spend on a hair growth serum?

According to a survey conducted by Statista, the average price of a hair growth serum in the United States is around $25-30 per bottle.

While a higher price doesn't necessarily guarantee better results, it's important to choose a product that contains high-quality, effective ingredients. It's also important to consider factors such as the size of the bottle, the frequency of use, and the duration of treatment when comparing the cost of different hair growth serums.

Who can benefit from using hair serums for hair growth?

Hair growth serums can benefit anyone who is experiencing hair loss, thinning, or breakage. This includes both men and women of all ages. However, it's important to consult with a healthcare professional to determine the underlying cause of hair loss and to develop an appropriate treatment plan. Hair growth serums may not be effective for all types of hair loss, and other treatments may be necessary for more severe cases.

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Dr. Ahmad Chaudhry M.B.B.S. is a House Physician in the Medical Unit 3 Allied Hospital, Faisalabad, and deals with hepatic, cardiac, neurological, and dermatological issues daily. He did his MBBS from Punjab Medical College, Faisalabad. He believes that a good haircare routine is one where you nourish it naturally. During his free time, he works as a dermatologist for Scandinavian Biolabs.