10 Best Hair Serum For Men in The UK

Last updated on 02/08/2025

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Watermans Grow More Elixir: Hair Growth Serum, Leave-In Scalp Treatment for Hair Loss & Thickening Hair. Boost Growth for Both Women & Men

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Why We Love It

Boosts hair density naturally.
Enhances scalp blood flow.
Stimulates Hair Follicles effectively.

Main Highlights

HAIR LOSS TREATMENT FOR WOMEN & MEN: Formulated with a powerful blend of Biotin, Rosemary Extract, Lupine protein and Niacinamide, Watermans Grow More Elixir helps combat hair thinning and loss due to breakage and other aging factors, supporting natural, healthy hair growth.
BACKED BY SCIENCE & EXPERTS: Developed with cutting-edge research and approved by trichologists, this elixir is part of Watermans’ award-winning range, designed to deliver proven results for fuller, thicker hair.
LONG-LASTING NOURISHMENT: The advanced leave-in formula penetrates deep into the scalp, creating a nutrient-rich environment that revitalizes hair follicles and sustains hair growth for up to 24 hours.
SIMPLE & EFFECTIVE DAILY ROUTINE: Apply Watermans Grow More Elixir directly to your scalp each day at night for a no-fuss solution. Massage gently into problem areas and let the potent ingredients work their magic. No rinsing is required.
UNISEX FORMULATION FOR ALL HAIR TYPES: Suitable for both men and women, this versatile serum is free from sulfates, parabens, and cruelty, making it an ethical choice for anyone looking to enhance their hair care regimen.
PROMOTES FULLER EYEBROWS: Achieve thicker, more defined eyebrows by applying Watermans Grow More Elixir with a cotton bud or small makeup brush. Simply apply the serum to your eyebrows daily, avoiding contact with the eyes, to encourage natural growth and fill in sparse areas.
BEARD HEALTH: Watermans Grow More Elixir not only combats hair thinning but is also an excellent solution for filling in patchy beards, promoting fuller, healthier facial hair growth.

Hair Growth Oil 100% Natural Hair Oil with Caffeine, Biotin, Castor Oil, Argan Oil, Coconut Oil, and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment

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Why We Love It

Promotes natural, faster hair growth.
Ensures fuller, thicker hair.
Prevents hair breakage effectively.

Main Highlights

100% NATURAL HAIR GROWTH - Every ingredient in this treatment is carefully selected to stimulate blood flow to support and help speed up hair growth.
FULLER THICKER HAIR - Thrive Hair Oil is packed with fatty acids and antioxidants so your scalp is well looked after leading to healthier and thicker hair.
EFFECTIVE TREATMENT - Using Thrive Hair Oil as an overnight mask offers hydration, stimulation and nourishment. Allowing the energising oils to penetrate the scalp encourages new hair growth.
REDUCES HAIR LOSS & TRIGGERS NEW HAIR GROWTH - Rosemary oil is a well known DHT blocker which, helps reduce hair loss . Castor Oil, Baobab Oil, Coconut Oil all strengthen the scalp, preventing hair from follicle damage.
REGENERATING PROPERTIES - Rich in vitamins Argan Oil, Avocado Oil and Almond Oil all help to restore your hair's moisture and lock in proteins preventing hair breakage.

Natural Hair Growth Spray Serum for Men: Hair and Scalp Oil with Rosemary, Batana Oil, Rice Water, Castor Oil, Caffeine, Biotin - Effective Hair Thickening and Hair Loss Treatment for Men 60ml

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Why We Love It

Tailored for men’s hair needs.
Natural ingredients nourish effectively.
Boosts confidence with fuller hair.

Main Highlights

Tailored for Men’s Needs: Specially formulated to support men’s hair and scalp health, addressing common challenges like thinning hair and weakened roots with a targeted, natural approach.
Natural, Gentle, and Effective: Infused with Batana Oil, Hydrolyzed Rice Protein, Ginseng Root Extract, Caffeine, and Biotin, this spray deeply nourishes the scalp and strengthens hair. It incorporates the benefits of rice water for hair growth, a traditional remedy known for its ability to enhance hair’s texture and vitality.
Boosts Confidence with Fuller Hair: Enriched with essential oils like Rosemary Oil, Lavender, and Peppermint, it revitalizes the scalp, stimulates blood circulation, and promotes a healthy environment for natural hair growth. Rosemary oil for hair growth is especially effective in supporting stronger, thicker hair over time.
Lightweight, Easy-to-Use Hair Growth Oil: Combining the nourishing power of Batana Oil and other botanicals, this non-greasy spray absorbs quickly and is perfect for daily application, making it ideal for busy men seeking healthier, fuller hair.
Safe and Free From Artificial Fragrances: Dermatologist-tested and free from artificial fragrances or harsh chemicals, this spray is gentle on sensitive scalps and suitable for all hair types, ensuring peace of mind with every use.

Sons Minoxidil 5% Cutaneous Solution & Dermaroller for Men. Hair Regrowth Treatment for Hair Loss & Thinning in Men. Microneedling Stimulates Collagen & Reactivates Shrunken Follicles. Made in Europe.

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Why We Love It

Boosts hair growth effectively.
Includes easy-to-use tools.
Visible results after 90 days.

Main Highlights

WHAT IS SONS MINOXIDIL & DERMA ROLLER? Two-thirds of men will have some hair loss before 35. Sons Minoxidil is clinically proven to improve scalp blood flow and reactivate shrinking follicles. The Sons Derma Roller is a micro-needling device that stimulates follicles and boosts Minoxidil’s effectiveness
HOW DO I USE IT? Spray 1ml (10 pumps) twice daily. Roll the derma roller vertically and horizontally 10–14 times on the target area before applying spray. Use the roller 2–3 times weekly. Microneedling aids serum absorption.
WHY CHOOSE SONS MINOXIDIL SPRAY AND DERMA ROLLER? Trusted by 300,000+ men, Sons holds the UK license for the only two clinically proven hair loss treatments. The precision nozzle targets hair loss at the root.
HOW EFFECTIVE IS IT? Clinically proven to stop hair loss in 84% of men. First results visible after 90 days. Derma roller increases Minoxidil’s effectiveness.
WHAT IS INCLUDED? 1x 60ml Minoxidil 5% solution with pump and 1x reusable derma roller with 540 microneedles (0.25mm).

Potent ingredients combat hair fall.
Safe, effective, everyday hair serum.
Suitable for all hair types.

Main Highlights

5 PROVEN INGREDIENTS IN ONE SERUM: A super potent, multifunctional hair growth serum with Capixyl 5% + Redensyl 3% + Procapil 3% + Anagain 3% + Baicapil 4%. Starts to show reduction in hairfall by 4th week
SAFE & EFFECTIVE HAIR SERUM: A completely safe, yet powerful serum for both men & women, that can be used everyday without any sideeffects that are generally associated with other products
MULTIPEPTIDES FOR HAIR GROWTH: Contains Peptides Acetyl Tetrapeptide3 & Biotinoyl Tripeptide1 to increase hair thickness & reduce hair fall.
MORE EXTRACTS: Infused with Saw Palmetto Extract and Sanguisorba Officinalis (SO) Root Extract to further boost the performance of the serum
FOR ALL HAIR TYPES: Suits all hair types: Oily, Dry , Normal or Combination (Oily Scalp & Dry) Ends.

Pilgrim Redensyl 3% + Anagain 4% + Baicapil Advanced Hair Growth Serum (30ml) for Scalp with Korean Black Rice | Control Hair Fall, Stimulate Hair Regrowth, Increase Hair Density | Women & Men

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Why We Love It

Promotes healthy hair growth.
Thickens and strengthens hair.
Works for all hair types.

Main Highlights

HAIR GROWTH SERUM : Pilgrim Redensyl Hair Growth Serum, the breakthrough ingredient for hair, acts upon the roots of the hair to rebalance the hair cycle without any side effects
Pilgrim Hair Growth Serum: Regenerative properties of Anagain arrest hair thinning
MAKES THE HAIR THICKER, DENSER AND STRONGER: Significantly boosts density, strength, fullness, thickness and health of the hair
FOR ALL HAIR TYPES AND TEXTURES: Redensyl hair growth serum is suitable for anyone experiencing hair thinning or dry/ flaky scalp.
Suitable for all hair types: Curly, Coily, Straight, and Wavy. Suitable for all hair textures: Fine, Medium, and Thick"

Boosts hair density quickly.
Reduces breakage and loss.
Lightweight and non-greasy.

Main Highlights

97% OBSERVED Hair Density IN 45 DAYS*: This clinical formulation is made with a blend of 4 dermatologically approved hair growth actives: Redensyl, Anagain, Baicapil & Capilia Longa along with 3 natural hair growth ingredients: Rosemary, Biotin & Rice extract. It boosts hair density and regenerates new hair by restarting the hair growth cycle. *Based on consumer feedback after 90 days of product usage
UP TO 89% HAIR LOSS REDUCTION**: Powered with 3% Baicapil, 1% Capilia Longa & Rosemary. This serum reduces breakage & hair loss by enhancing the keratin composition in hair which helps to strengthen hair and improve hair elasticity. **Based on in vivo study conducted by the proprietary owner of Capilia Longa for 150 days, individual results may vary
CLINICAL HAIR GROWTH ACTIVES: This potent formula is meticulously developed through numerous refinements to stimulate hair growth, featuring a combination of 3% Redensyl, 4% Anagain, 3% Baicapil, and 1% Capilia Longa. This unique blend enhances hair growth by extending the duration of the anagen phase.
NATURAL HAIR GROWTH INGREDIENTS: Blended with the clinical formulation are 3 natural hair growth ingredients: Rosemary, Biotin & Rice extract that strengthen weak hair, prevents breakage and reduces dryness thereby ensuring healthy hair growth.
NON GREASY & EASY TO ABSORB: Unlike other hair growth serums which are sticky in texture and lead to greasy hair over time, this serum is lightweight, non greasy and absorbs easily without making hair greasy hence can be applied anytime without the fear of stepping out.

grüum Hair Density Serum 30ml - Lightweight Leave in Caffeine Hair Growth Serum for Thick, Denser & Healthy Hairs - Anti Hairs Loss Scalp Serums for Men & Women with 5% Provitamin 5 and Caffeine

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Why We Love It

Revive your hair naturally.
Promotes thicker, fuller hair.
Cruelty-free and eco-conscious choice.

Main Highlights

Revive Your Hair Naturally – Enriched with rosemary oil, avocado oil, and Provitamin B5, this vegan hair thickening serum deeply hydrates and fortifies strands, leaving you with thicker, healthier-looking hair.
Unleash Your Hair’s Full Potential – Our caffeine serum for hair energizes follicles, blocks DHT, and enhances nutrient absorption for visibly thicker, fuller hair. Say goodbye to thinning strands forever!
Feel the Difference, See the Results – With soothing oils and antioxidant-rich green tea, this hair loss serum rejuvenates and balances sensitive scalps, promoting healthier, stronger hair growth.
Regrow Confidence Alongside Your Hair – Designed for all hair types, this advanced hair loss treatment for men and women promotes natural follicle regeneration helping you achieve luscious, vibrant locks you’ll love.
Love Your Hair, Love the Planet – This cruelty-free hair serum is free of parabens, sulfates, and nasties, making it perfect choice for those who value clean, eco-conscious haircare.

Be Bodywise Rosemary Hair Growth Serum (Roll On) | 3% Redensyl & 2% Anagain | Hair fall control serum for Women & Men | Promotes Hair Growth & Stimulates Hair Follicles | For All Hair Types | 25ml

John Frieda Frizz Ease All-in-1 Extra Strength Serum 50ml for Thick Coarse Hair

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Why We Love It

Suitable for thick, coarse hair.
Approved for wet/dry application.
Offers substantial frizz protection.

Main Highlights

For thick, coarse hair
For application on wet or dry hair
Provides 72-hour frizz protection
Resists 90 percent humidity
Heat protection up to 220°C
Safe for colour-treated hair

8.7

Excellent

We scanned 1749 products

We reviewed these offers relevant to the Hair Serum For Men within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like WATERMANS, Forest & Shore, Swiftalyn, Sons, Minimalist, Pilgrim, Bare Anatomy, grüum, Be Bodywise, John Frieda, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Hair Serum For Men in the market, we considered we took a deep dive into 8746 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Watermans Grow More Elixir: Hair Growth Serum, Leave-In Scalp Treatment for Hair Loss & Thickening Hair. Boost Growth for Both Women & Men. We love many things about this product by WATERMANS. What sets it apart from the competition is Boosts hair density naturally, Enhances scalp blood flow, Stimulates Hair Follicles effectively.
The best value product for most shoppers and where user satisfaction is continuously the highest is Hair Growth Oil 100% Natural Hair Oil with Caffeine, Biotin, Castor Oil, Argan Oil, Coconut Oil, and Rosemary Oil Effective Thickening Mask & Hair Loss Treatment by Forest & Shore based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Hair Serum For Men and the best cost-to-value ratio is Hair Growth Oil 100% Natural Hair Oil with Caffeine, Biotin, Castor Oil, Argan Oil, Coconut Oil, and Rosemary Oil Effective Thickening Mask & Hair Loss Treatmentat Forest & Shore with a 30% discount.
Our list of the best Hair Serum For Men is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Hair Serum For Men in The UK

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We scanned 1749 products

We concluded that: