10 Best Anti Hair Loss Serum in The UK

Last updated on 02/08/2025

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Nioxin Night Density Rescue Serum - Overnight Hair Thickening Serum for Optimised Hair Growth - with Ginger & Caffeine (70ml)

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Why We Love It

Clinically proven hair thickening serum.
Boosts hair density effectively.
Formulated with ginger and caffeine.

Main Highlights

HAIR THICKENING SERUM: Overnight leave-on treatment, clinically proven to increase hair density - dermatologically tested
VOLUMISING HAIR PRODUCTS: Formulated with ginger, lauric acid & caffeine to help promote thicker, fuller hair overnight
PROFESSIONAL HAIR CARE: High potential to neutralise free radicals & kind to your scalp - boosts the hair density after just 8 weeks
HOW TO USE: Gently massage 2-4 drops of Night Density Rescue Serum directly onto your scalp - do not rinse
NIOXIN ROUTINE: For best results, use preferred Nioxin System Kit & Nioxin hair styling products - add to your self care regimen or give the perfect beauty gift

Nioxin Professional Anti-Hair Loss Leave-On Scalp Treatment - Hair Growth Serum for Thinning Hair with Caffeine & Niacinamide (70ml)

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Why We Love It

Visible results within 8 weeks.
Enhanced hair density and resistance.
Free from harsh chemicals.

Main Highlights

HAIR LOSS SERUM: Leave-in serum for thicker, fuller hair & reduced breakage - visible results within 8 weeks*
VOLUMISING HAIR PRODUCTS: With SANDALORE, caffeine, lauric acid & niacinamide for the ultimate anti-hair loss serum
PROFESSIONAL HAIR CARE: Enjoy better hair resistance, improved density & reduced hair fall - 93% of users noticed less hair on their brush
HOW TO USE: Apply 12-15 pumps on dry or damp hair daily, massaging evenly across scalp - free from parabens, sulfates & colourants
NIOXIN ROUTINE: For best results, use complete 3-Part System Kit & Night Density Rescue scalp treatment - ideal for self care or as a beauty gift

Nioxin Sandalore Anti Hair Loss Treatment Serum, 70 ml

Why We Love It

Promotes healthier, thicker hair growth.
Efficacious for both genders.
Offers complementary specialty hair products.

Main Highlights

Anti-hair loss serum. A leave-on hair treatment to thicken the hair and reduce hair loss
Clinically proven to reduce hair loss by 20 Percent on average in only 8 weeks via improved hair anchorage
The transparent liquid spray improves anchorage of the roots to the scalp
Visible thicker and stronger hair from the 1st application
Unit count: 70.0
Item display volume: 150.0 milliliters

Kérastase Genesis Hair Serum, Nourishing & Fortifying Leave-In Conditioner, For Weakened Hair, With Ginger Root & Edelweiss Flower, Sérum Anti-Chute Fortifiant, 90 ml

29% Off

Why We Love It

Combats hair loss effectively.
Revitalises hair from root.
Activates healthy hair growth.

Main Highlights

Sérum Fortifiant is a daily treatment to combat hair loss in thinning and fragile hair. Enriched with Aminexil, Ginger Root, and Caffeine; it revitalises the hair from within the root, calms and reduces scalp irritation, and slows hair loss
Strengthening hair fibre from the root to tip, the serum activates microcirculation of nutrients to stimulate healthy hair growth
30 day treatment plan: Apply treatment once per day for 30 days, in the morning or evening. Distribute 4 pipettes to the scalp, gently massage, then style as usual. Do not rinse. To optimise your anti-hair loss routine, combine your treatment with 10 day Cure Fortifiantes Anti-Fall treatment plan

Kérastase Genesis Homme, Anti-Hair Fall Fortifying Serum, for Weakened & Thinning Hair, With Aminexil, Sérum Anti-Chute Fortifiant, 90 ml

20% OffFree Shipping

Why We Love It

Effective hair loss solution.
Strengthens hair from root.
Easy and convenient application.

Main Highlights

Genesis Homme Sérum Anti-Chute Fortifiant is designed to fight against hair loss. Enriched with Aminexil, Ginger Root and Creatine. This serum improves resistance and helps to reduce the rate of hair of hair-fall
This serum strengthens hair fibre at the root while slowing down hair loss
Use morning or evening for a minimum of 6 weeks. Apply x4 doses (1 dose is equal to 1 pipette to the line indicated) on towel-dried or dry scalp, section by section. Massage to promote distribution and absorption of the serum. Do not rinse

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

30% OffFree Shipping

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 Oil Spray: Rosemary Castor Batana Oil with Rice Water Lotion for Hair Growth and Thickening, 60 mL – Hair Loss Treatment For Women

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Why We Love It

Natural ingredients for healthy hair.
No harmful chemicals or fragrances.
Lightweight and easy to apply.

Main Highlights

NATURAL AND GENTLE FORMULA: Made with a variety of natural ingredients, including rosemary, castor oil, batana oil, biotin, caffeine, and hydrolyzed rice protein, this hair growth spray nourishes the scalp, revitalises hair follicles, and promotes healthier, thicker hair without harsh chemicals.
NO HARMFUL INGREDIENTS: Our spray contains no sulphates, parabens, gluten, or artificial fragrances. Hypoallergenic and cruelty-free, it is suitable for all hair types and daily use.
LIGHTWEIGHT AND EASY TO USE: The non-greasy formula absorbs quickly, leaving your hair feeling refreshed and manageable. Simply spray twice daily on clean, dry hair for the best results. It is easy to incorporate into your daily routine.
PROMOTES LONG-TERM HAIR HEALTH: With consistent use, you’ll notice gradual improvements over time – a healthier scalp within 2-4 weeks, thicker hair in 1-2 months, and new hair growth in 3-6 months.
MULTI-ACTION FORMULA: This advanced formula combines a variety of active ingredients to revitalise hair follicles, improve scalp health, reduce hair thinning, and promote thicker, fuller hair.

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.

Coco & Eve Boost Therapy Tripeptide Hair Density Serum. For Thicker, Fuller Hair. Anti-Hair Loss & Shedding, Lightweight Scalp Treatment with Biotin & Caffeine for Volume & Restoration (60 ml)

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Why We Love It

Noticeably thicker and healthier hair.
Clinically proven visible results.
Improves scalp health dramatically.

Main Highlights

ADVANCED PEPTIDE TECHNOLOGY FOR THICKER HAIR. Coco & Eve's Tripeptide Hair Density Serum uses the power of Redensyl and Procapil to promote the appearance of thicker, denser hair. Clinically proven to increase hair density by 51% in just one month, this lightweight serum is ideal for those dealing with thinning hair or hair loss. Perfect for both men and women looking to boost hair growth naturally.
SCALP HEALTH SUPPORT. This concentrated leave-in formula supports scalp health and strengthens hair follicles with its unique blend of probiotics. By maintaining a healthy scalp barrier, it helps create the ideal environment for hair regrowth. Ideal for postpartum hair care, anti-hair fall treatments, and those with sensitive scalps.
STIMULATES AND REVITALIZES HAIR GROWTH. Harness the stimulating power of caffeine, which penetrates deeply into the scalp to energize hair follicles and promote faster, fuller hair growth. The serum revitalizes your hair from the roots, making it visibly thicker and healthier over time.
CLINICALLY PROVEN RESULTS. Clinical trials showed a 83% increase in hair density after 3 months. 90% of participants agreed their hair looked fuller, while 90% noticed reduced hair shedding. This serum is the top-rated solution for restoring volume and density to thinning or balding hair.
LOVED BY CUSTOMERS EVERYWHERE. Customers rave about the Tripeptide Hair Density Serum: "My hair is noticeably thicker and healthier after just a few weeks." "The serum feels lightweight and has really improved my scalp health." "I’ve seen a dramatic reduction in hair shedding." Perfect for anyone seeking fast, visible results for thicker, stronger hair.

The INKEY List 1% Caffeine Stimulating Scalp Hair Loss Reduction Serum Overnight Treatment 150ml

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Why We Love It

Stimulates hair follicle growth.
Reduces and prevents hair loss.
Suitable for all hair.

Main Highlights

HAIR GROWTH SERUM - An overnight scalp treatment that uses caffeine powder and a new ingredient called Redensyl to help reduce and prevent hair loss by stimulating hair follicles, therefore encouraging hair growth and helping to improve hair thickness
POWERFUL INGREDIENTS - 1 percent Caffeine powder helps to stimulate the scalp and hair follicles whilst 1 percent REDENSYL helps to improve hair growth while reducing hair loss; 1 percent Betaine helps to condition hair, leaving it soft and healthy; Redensyl is a trademark of Givaudan and is used with permission
FOR ALL HAIR TYPES - Formulated so it's suitable for all hair types including coloured hair, it is cruelty-free and fragrance-free
HOW TO USE - We recommend shaking the bottle before use; Use as an overnight treatment; Shake into the palm of your hand, massage hands together, use your fingertips to rub into the scalp and leave on overnight; Apply enough to cover the entire scalp; Wash hair as normal in the morning, if desired; Use every night for best results over a 3-month period

8.7

Excellent

We scanned 536 products

We reviewed these offers relevant to the Anti Hair Loss Serum 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 NIOXIN, KÉRASTASE, Forest & Shore, Rennelyn, WATERMANS, Coco & Eve, The INKEY List, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Anti Hair Loss Serum in the market, we considered we took a deep dive into 2681 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 Nioxin Night Density Rescue Serum - Overnight Hair Thickening Serum for Optimised Hair Growth - with Ginger & Caffeine (70ml). We love many things about this product by NIOXIN. What sets it apart from the competition is Clinically proven hair thickening serum, Boosts hair density effectively, Formulated with ginger and caffeine.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nioxin Professional Anti-Hair Loss Leave-On Scalp Treatment - Hair Growth Serum for Thinning Hair with Caffeine & Niacinamide (70ml) by NIOXIN based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Anti Hair Loss Serum 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 Anti Hair Loss Serum 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 Anti Hair Loss Serum in The UK

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We scanned 536 products

We concluded that: