Hair Serum

Shop by category

Hair Care & Styling
- Treatments, Oils & Protectors
- Bands, Clips & Styling Accs
- Brushes & Combs
- Hair Colourants
- Hair Extensions & Wigs
- Hair Loss Treatments
- Hair Styling Devices
- Perms
- Relaxers & Straightening Prod
- Sets & Kits
- Shampoos & Conditioners
- Styling Products

7,848 results

50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types new
Brand new
£6.64
Free postage
Click & Collect
179 sold
OGX Nourishing Coconut Milk Anti-Breakage Serum 118 ml - USA IMPORT
Brand new · OGX
£14.99
Free postage
Click & Collect
17 watching
50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types
Brand new
£9.99
(£9.99/Unit)
Free postage
Click & Collect
30 sold
50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types new
Brand new
£8.29
Free postage
Click & Collect
534 sold
Revlon Professional Uniq One The Original All In One Hair Treatment 150ml
Brand new · Revlon
(15)
£11.90
Free postage
Click & Collect
243 sold
Wella Professionals Oil Reflections Luminous Smoothening Oil 100ml
Brand new · Wella
(58)
£16.79
Free postage
Click & Collect
938 sold
Kerastase Nutritive 8H Magic Night Serum 90ml
Brand new
(2)
£30.72
Free postage
Click & Collect
Only 1 left.
Kerastase Resistance Concentrate Fusio Dose with Ceramides 10x12ml
Brand new
£57.72
Free postage
Click & Collect
Only 1 left.
John Frieda Frizz Ease All-in-1 Extra Strength Serum 50ml for Thick Coarse Hair
Brand new
£6.98
Free postage
Click & Collect
43 sold
John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml,
Brand new · Unbranded
£6.49
Free postage
Click & Collect
15 sold
Philip Kingsley Density Preserving Scalp Drops Serum 85ml
Brand new · Philip Kingsley
(2)
£18.25
Free postage
Click & Collect
154 sold
Farouk CHI Infra Silk Infusion Reconstructing Complex 59ml
Brand new · CHI
(17)
£10.93
Was: £11.50was - £11.50
Free postage
Click & Collect
It's a 10 Miracle Leave-In Treatment 120ml
Brand new · It's a 10
(39)
£15.65
Free postage
Click & Collect
DIVI 30ml Scalp Serum - Brand New - Ready To Ship 📦✅
Brand new
£26.68
or Best Offer
£2.94 P&P
Click & Collect
Loreal Professionnel Absolut Repair 10-in-1 Serum for Dry & Damaged Hair 90ml
Brand new
£21.90
Free postage
Click & Collect
49 sold
Rosemary Oil for Hair Growth, 120ml Diluted Rosemary Oil Hair Growth Serum UK
Brand new · Unbranded
£25.79
(£25.79/Unit)
Free postage
Eucerin DermoCapillaire Calming Urea Scalp Treatment 100ml for Dry Itchy Scalp
Brand new · Eucerin
(3)
£11.45
(£11.45/100ml)
Free postage
130 sold
K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types 50ml
Brand new
£7.10
Free postage
Click & Collect
129 sold
Twin Pk - Thicker Fuller Hair Root Lifting Serum-Organic Quinoa & Caffeine 118ml
Brand new · Thicker Fuller Hair
(12)
£7.88
Free postage
Click & Collect
3x Avon Advance Techniques Ultimate Shine Treatment Serum 30ml,Hair Serum
Brand new · Avon
£13.99
(£4.66/Unit)
Free postage
Click & Collect
Revlon Professional Uniq One The Original All In One Hair Treatment 150ml
Brand new · Revlon
(15)
£12.30
Free postage
Click & Collect
51 sold
2 x Avon Advance Techniques Hair Serum Absolute Nourishment Reconstruction Curls
Brand new · Avon
(1)
£10.74 to £12.98
Free postage
Click & Collect
70 sold
Goldwell Rich Repair Serum Spray for Dry/Damaged Hair Restore & Protect 150ml
Brand new · Goldwell
(6)
£11.99
(£11.99/Unit)
Free postage
Click & Collect
23 sold
Kerasilk Keratin Treatment Smoothing Finishing Serum- 22ml
Brand new
£9.99 to £49.99
Free postage
Click & Collect
John Frieda Frizz Ease Extra Strength 6 Effects Serum For Thick Coarse Frizzy H
Brand new
£6.99 to £13.99
(£6.99/Unit)
Free postage
Click & Collect
Kérastase Blond Absolu Huile Cicaextreme Intense Blonde Strenghtening Oil 100ml
Brand new · Kérastase
(3)
£13.99
(£13.99/Unit)
Free postage
Click & Collect
47 sold
Kerastase Fusio-Dose Concentre Ultra-Violet 10x12ml
Brand new
(1)
£49.00
£3.45 P&P
Click & Collect
Only 2 left
Streax Professional Vitariche Gloss Hair Serum - 115ml (Pack of 1) UK STOCK
Brand new
£7.99
Free postage
Click & Collect
Beauty-Full Strength Grow Long Serum with ProPlex Fortifiant non-greasy oil for
Brand new · Unbranded
£12.99
Free postage
Click & Collect
REVLON UNIQ ONE ALL IN ONE HAIR TREATMENT 150ML RED EDITION* NXT DAY POSTAGE UK
Brand new · Revlon
(815)
£12.49
Free postage
JVN Complete Instant Recovery Serum Heat Damage Protection 100ml Full Size BNIB
Brand new
£26.11
or Best Offer
£6.33 P&P
Luxuriant Hair Nutrient Serum Oil Stimulates Hair Growth Prevent Hair Loss 100ml
Brand new
£9.99
Free postage
Click & Collect
Only 1 left.
Alfaparf Milano Semi Di Lino Sublime Cristalli Liquidi The Original 50ml - Il...
Brand new · ALFAPARF MILANO
(20)
£20.46
Free postage
Streax Hair Serum Enriched with Walnut Oil Gives Frizz free Satin Smooth 100ml
Brand new
(5)
£7.99
Free postage
Click & Collect
60 sold
John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml, Light Hair Serum for Fin
Brand new · Unbranded
£6.90
Free postage
44 sold
L'Oreal Elvive Growth Booster Scalp Serum 102ml Hair Loss Treatment Unisex
Brand new
£10.24
Free postage
VERONA VOLLARE PRO OIL INTENSIVE REPAIR HAIR SERUM ARGAN OIL DRY&DEMAGED hair
Brand new · Verona
(3)
£6.98
Free postage
Click & Collect
17 sold
Frizz Killer Serum 100ml - Lightweight Heat Protection, Anti-Frizz, Long Hair Ca
Brand new
£6.74
Free postage
43 sold
Redist Biotin Hair Serum 100ml |Volumizing & Strengthening with Amino Acids
Brand new
£19.99
(£19.99/Unit)
Free postage
Click & Collect
Moroccan Hair Oil 100ml Moisturizing Smoothing for All Hair Types Hair serum
Brand new · Essential
£9.99
Free postage
Click & Collect
Only 3 left
It's a 10 Miracle Leave-In Treatment 59.1ml
Brand new · It's a 10
(39)
£10.99
Free postage
Click & Collect
9 watching
3 x INECTO NATURALS ORGANIC SMOOTH ME COCONUT OIL HAIR SERUM - 50ml
Brand new · Inecto
(23)
£9.99
Free postage
Click & Collect
Alfaparf Milano Semi Di Lino Diamond Extraordinary All-In-1 Fluid 125ml - New
Brand new · ALFAPARF MILANO
£13.95
Free postage
Click & Collect
4 watching
PANTENE PRO-V Hair Multiplier Treatment Thickening Biotin Vitamin B3 - 100ml
Brand new · Pantene Pro-V
(8)
£9.99
Free postage
Click & Collect
220 sold
Paul Mitchell Smoothing Gloss Drops 75ml
Brand new · Paul Mitchell
£19.95
Free postage
Click & Collect
Chambers Chapter 2000 Super Hair Grow Scalp Treatment 295g - Pack of 1, 2, 3, 6
Brand new
(6)
£11.99 to £52.95
Free postage
Click & Collect
Wella Professionals Oil Reflections Luminous Smoothening Oil 100ml
Brand new · Wella
(58)
£16.95
Free postage
Click & Collect
Spoiled Child A22 Biotin Hair and Scalp Serum 50ml - Brand New Refill
Brand new
£42.27
Free postage
Beauty Works Argan Serum 90 ml - Free postage & 1-2 day delivery
Brand new
£13.00
or Best Offer
Free postage
Click & Collect
19 watching
2 x Avon Advance Techniques Ultimate Mirror Shine Illuminating Treatment Spray
Brand new · Avon
(19)
£13.98
Free postage
Click & Collect
Salon Chic So Smooth Shine Serum 50ml
Brand new · Brylcreem
(5)
£8.25
Free postage
Click & Collect
64 sold
2 x 20 ml Bioelixire Black Cumin Oil For Hair Smoothing And Moisturizing Serum
Brand new
£7.99
(£4.00/Unit)
Free postage
Click & Collect
231 sold
Kerastase NUTRITIVE Soin Oleo-Relax 4.2 fl oz 125ml 4.2 fl oz |1 bottle
New (other) · Kérastase
(29)
£66.29
or Best Offer
Free postage
Only 3 left
Xpel Frizz Free & Fabulous Anti-Frizz Hair Serum 60ml
Brand new
(5)
£4.13
Free postage
Est. delivery Fri, Aug 15
L'Oréal Elvive Extraordinary Oil 100 ml Serum – 6× Shine, Heat Protection gloss
Brand new · Miracle
£8.86
(£8.86/100ml)
Free postage
THE INKEY LIST Chia Seed Curl Defining Hair Treatment (50ml), New boxed freepost
Brand new
(3)
£7.49
Free postage
Click & Collect
82 sold
Avon Advanced Techniques Ultimate Shine Treatment Serum 2 X 30ml Bottles BNIB
Brand new · Avon
£9.95
Free postage
4 watching
Olaplex No 9 Protective Hair Serum 90ml- Free Delivery UK ( PACK OF 2 )
Brand new · Olaplex
(11)
£39.99
(£20.00/Unit)
Free postage
Click & Collect
KREOGEN Keratin Serum For Very Dry & Damaged Hair -80ml
Brand new
£19.34
or Best Offer
Free postage
Click & Collect
Kerastase Elixir Ultime Nourishing Hair Oil Hydrating Smooth Frizz Serum - 100ml
Brand new
£21.48
Free postage
Click & Collect
6 watching

Top-rated

See all

Revlon UniqOne Leave-In Hair Treatment - 150 ml
(15)

83% agree - Would recommend
£11.90 New
Philip Kingsley Styling Finishing Touch Polishing Serum 20ml
(10)

100% agree - Would recommend
£9.99 New
Pantene Hair Treatment Menopause 100ml l Anti-Aging l Hair Repair
(7)

100% agree - Would recommend
£8.00 New
Swell Ultimate Protect & Reserum 30ml Tubes X 2
(35)

91% agree - Would recommend
£4.49 New
Goldwell Dualsenses 6 Effects Rich Repair Serum 100ml TRACKED
(9)

91% agree - Would recommend
£16.99 New

Brand

Hair Type

Hair Serum

Shop by category

7,848 results

50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types new

OGX Nourishing Coconut Milk Anti-Breakage Serum 118 ml - USA IMPORT

50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types

50ml K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types new

Revlon Professional Uniq One The Original All In One Hair Treatment 150ml

Wella Professionals Oil Reflections Luminous Smoothening Oil 100ml

Kerastase Nutritive 8H Magic Night Serum 90ml

Kerastase Resistance Concentrate Fusio Dose with Ceramides 10x12ml

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

John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml,

Philip Kingsley Density Preserving Scalp Drops Serum 85ml

Farouk CHI Infra Silk Infusion Reconstructing Complex 59ml

It's a 10 Miracle Leave-In Treatment 120ml

DIVI 30ml Scalp Serum - Brand New - Ready To Ship 📦✅

Loreal Professionnel Absolut Repair 10-in-1 Serum for Dry & Damaged Hair 90ml

Rosemary Oil for Hair Growth, 120ml Diluted Rosemary Oil Hair Growth Serum UK

Eucerin DermoCapillaire Calming Urea Scalp Treatment 100ml for Dry Itchy Scalp

K18 Leave-In Molecular Repair Hair Mask Conditioner For All Hair Types 50ml

Twin Pk - Thicker Fuller Hair Root Lifting Serum-Organic Quinoa & Caffeine 118ml

3x Avon Advance Techniques Ultimate Shine Treatment Serum 30ml,Hair Serum

Revlon Professional Uniq One The Original All In One Hair Treatment 150ml

2 x Avon Advance Techniques Hair Serum Absolute Nourishment Reconstruction Curls

Goldwell Rich Repair Serum Spray for Dry/Damaged Hair Restore & Protect 150ml

Kerasilk Keratin Treatment Smoothing Finishing Serum- 22ml

John Frieda Frizz Ease Extra Strength 6 Effects Serum For Thick Coarse Frizzy H

Kérastase Blond Absolu Huile Cicaextreme Intense Blonde Strenghtening Oil 100ml

Kerastase Fusio-Dose Concentre Ultra-Violet 10x12ml

Streax Professional Vitariche Gloss Hair Serum - 115ml (Pack of 1) UK STOCK

Beauty-Full Strength Grow Long Serum with ProPlex Fortifiant non-greasy oil for

REVLON UNIQ ONE ALL IN ONE HAIR TREATMENT 150ML RED EDITION* NXT DAY POSTAGE UK

JVN Complete Instant Recovery Serum Heat Damage Protection 100ml Full Size BNIB

Luxuriant Hair Nutrient Serum Oil Stimulates Hair Growth Prevent Hair Loss 100ml

Alfaparf Milano Semi Di Lino Sublime Cristalli Liquidi The Original 50ml - Il...

Streax Hair Serum Enriched with Walnut Oil Gives Frizz free Satin Smooth 100ml

John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml, Light Hair Serum for Fin

L'Oreal Elvive Growth Booster Scalp Serum 102ml Hair Loss Treatment Unisex

VERONA VOLLARE PRO OIL INTENSIVE REPAIR HAIR SERUM ARGAN OIL DRY&DEMAGED hair

Frizz Killer Serum 100ml - Lightweight Heat Protection, Anti-Frizz, Long Hair Ca

Redist Biotin Hair Serum 100ml |Volumizing & Strengthening with Amino Acids

Moroccan Hair Oil 100ml Moisturizing Smoothing for All Hair Types Hair serum

It's a 10 Miracle Leave-In Treatment 59.1ml

3 x INECTO NATURALS ORGANIC SMOOTH ME COCONUT OIL HAIR SERUM - 50ml

Alfaparf Milano Semi Di Lino Diamond Extraordinary All-In-1 Fluid 125ml - New

PANTENE PRO-V Hair Multiplier Treatment Thickening Biotin Vitamin B3 - 100ml

Paul Mitchell Smoothing Gloss Drops 75ml

Chambers Chapter 2000 Super Hair Grow Scalp Treatment 295g - Pack of 1, 2, 3, 6

Wella Professionals Oil Reflections Luminous Smoothening Oil 100ml

Spoiled Child A22 Biotin Hair and Scalp Serum 50ml - Brand New Refill

Beauty Works Argan Serum 90 ml - Free postage & 1-2 day delivery

2 x Avon Advance Techniques Ultimate Mirror Shine Illuminating Treatment Spray

Salon Chic So Smooth Shine Serum 50ml

2 x 20 ml Bioelixire Black Cumin Oil For Hair Smoothing And Moisturizing Serum

Kerastase NUTRITIVE Soin Oleo-Relax 4.2 fl oz 125ml 4.2 fl oz |1 bottle

Xpel Frizz Free & Fabulous Anti-Frizz Hair Serum 60ml

L'Oréal Elvive Extraordinary Oil 100 ml Serum – 6× Shine, Heat Protection gloss

THE INKEY LIST Chia Seed Curl Defining Hair Treatment (50ml), New boxed freepost

Avon Advanced Techniques Ultimate Shine Treatment Serum 2 X 30ml Bottles BNIB

Olaplex No 9 Protective Hair Serum 90ml- Free Delivery UK ( PACK OF 2 )

KREOGEN Keratin Serum For Very Dry & Damaged Hair -80ml

Kerastase Elixir Ultime Nourishing Hair Oil Hydrating Smooth Frizz Serum - 100ml

Best selling

Revlon UniqOne Leave-In Hair Treatment - 150 ml

Wella Ultimate Repair Miracle Hair Rescue 95 ml Repair and Protection of Hair

X8 Pinnara Coconut Oil Serum Vitamin C & E for Skin and Hair 85ml Moisturize

Pantene Hair Treatment Menopause 100ml l Anti-Aging l Hair Repair

L’Oréal Paris Elvive Glycolic Gloss Leave-In Serum for Dull Hair 150ml

Philip Kingsley Styling Finishing Touch Polishing Serum 20ml

ASP Kitoko Age Prevent Scalp Tonic 75ml

Syoss Intense Plex leave-in serum for very damaged hair 100ml

Top-rated

Revlon UniqOne Leave-In Hair Treatment - 150 ml

Philip Kingsley Styling Finishing Touch Polishing Serum 20ml

Pantene Hair Treatment Menopause 100ml l Anti-Aging l Hair Repair

Swell Ultimate Protect & Reserum 30ml Tubes X 2

Goldwell Dualsenses 6 Effects Rich Repair Serum 100ml TRACKED

You may also like

More to explore

L'Oréal Elvive Extraordinary Oil 100 ml Serum – 6× Shine, Heat Protection gloss