10 Best Hair Smoothing Finishing Serum in The UK

Last updated on 17/07/2025
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Best Choice
1
9.7
Exceptional
Save 28%
COLOR WOW Pop + Lock Frizz Control Serum: Prevent Colour Fade, Seal Split Ends, and Add Gloss - Get Silky, Shiny Hair!
COLOR WOW
COLOR WOW Pop + Lock Frizz Control Serum: Prevent Colour Fade, Seal Split Ends, and Add Gloss - Get Silky, Shiny Hair!
28% OffFree Shipping
Why We Love It
  • Delivers epic shine brilliantly.
  • Repairs and enhances texture.
  • Adds spectacular shine inside-out.
Main Highlights
  • Sparkling high-gloss finish locks down the cuticle and temporarily seals split ends
  • Protects against UV rays and colour fade
  • Includes 3 levels of heat protection
  • Glossing serum instantly smooths frizz on wet or dry hair
9.7
Exceptional
Save 28%
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Best Value
2
9.6
Superb
Save 26%
COLOR WOW One Minute Transformation Styling Cream - Instant Frizz Fix with Nourishing Avocado Oil
COLOR WOW
COLOR WOW One Minute Transformation Styling Cream - Instant Frizz Fix with Nourishing Avocado Oil
26% OffFree Shipping
Why We Love It
  • Keeps frizzy hair under control.
  • Perfects and refines texture.
  • Instantly enhances hair quality.
Main Highlights
  • Applied on dry hair, this instantly-absorbed, non-greasy cream creates silky, polished perfection.
  • Instant on-the-spot frizz fix
  • Apply to bumps, bends and bed head then either brush or blow dry the unruly sections for a super quick, smooth, polished refresh
  • No waxy, greasy buildup on hair
9.6
Superb
Save 26%
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3
9.6
Superb
Save 5%
ghd Dramatic Ending - Smooth & Finish Serum (30ml)
ghd
ghd Dramatic Ending - Smooth & Finish Serum (30ml)
5% OffFree Shipping
Why We Love It
  • Transforms dull hair into shiny.
  • Effortlessly tames and defines curls.
  • Controls static-induced flyaway effectively.
Main Highlights
  • Use to smooth, shine and define
  • Perfect for high impact shine
  • Lightweight serum that smooths split ends
  • Taming and defining curls and waves
  • Controlling flyaway hair caused by static
9.6
Superb
Save 5%
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4
9.5
Superb
Goldwell StyleSign Smoothing Serum Spray, Hair Serum for Frizz Control and Heat Protection, 100ml
Goldwell
Goldwell StyleSign Smoothing Serum Spray, Hair Serum for Frizz Control and Heat Protection, 100ml
Free Shipping
Why We Love It
  • Instant heat protection guaranteed.
  • Achieve silky-straight hair effortlessly.
  • Reduces hair breakage significantly.
Main Highlights
  • Value for money
  • Good product with excellent quality
  • Easy to use
9.5
Superb
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5
9.4
Superb
Save 15%
OSMO Blinding Shine Serum 50 ml
Osmo
OSMO Blinding Shine Serum 50 ml
15% Off
Why We Love It
  • Fantastic shine and frizz-free.
  • UV filters protect hair.
  • Extracts improve scalp health.
Main Highlights
  • A shine serum for smoothing straight or curly hair.
  • The lightweight formula provides fantastic shine and frizz free results.
  • Infused UV filters aid hair protection from heat damage
  • Extract of Cedarwood helps to improve the health of the scalp
  • Extract of Rosemary is beneficial to the hair while adding gloss to brighten
9.4
Superb
Save 15%
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6
9.2
Superb
Save 3%
Bed Head by TIGI - Control Freak Anti Frizz Hair Serum - For Smooth Shiny Hair - 255 ml
TIGI
Bed Head by TIGI - Control Freak Anti Frizz Hair Serum - For Smooth Shiny Hair - 255 ml
3% OffFree Shipping
Why We Love It
  • Tames unruly, frizzy locks seamlessly.
  • Imparts luxurious shine with mica.
  • Delivers intense hydration for softness.
Main Highlights
  • Anti-frizz hair serum
  • With mica for incredibly glossy and shiny hair
  • Smooths frizz, flyaways and static
  • Moisturises and conditions hair for a smooth, soft look
  • Bed Head by Tigi Control Freak Serum is great curly hair, frizzy hair and coarse hair
9.2
Superb
Save 3%
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7
9.0
Superb
Save 35%
John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml, Light Hair Serum for Fine to Medium Hair
John Frieda
John Frieda Frizz Ease All-in-1 Lightweight Serum 50ml, Light Hair Serum for Fine to Medium Hair
35% OffFree Shipping
Why We Love It
  • Perfect for fine hair.
  • Works on wet hair.
  • Long-lasting frizz protection.
Main Highlights
  • For fine to medium 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
9.0
Superb
Save 35%
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8
8.8
Excellent
Save 30%
John Frieda Frizz Ease Original Serum 50ml, Hydrating Anti-Frizz Serum for Medium to Thick Hair
John Frieda
John Frieda Frizz Ease Original Serum 50ml, Hydrating Anti-Frizz Serum for Medium to Thick Hair
30% OffFree Shipping
Why We Love It
  • Ideal for medium-thick hair.
  • Provides extensive frizz protection.
  • Safe for color-treated hair.
Main Highlights
  • For medium to thick 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
8.8
Excellent
Save 30%
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9
8.7
Excellent
Save 46%
Bed Head by TIGI After Party Super Smoothing Cream – Anti Frizz hair styling product with humidity protection for frizzy, dull or coarse hair, 100ml​
TIGI
Bed Head by TIGI After Party Super Smoothing Cream – Anti Frizz hair styling product with humidity protection for frizzy, dull or coarse hair, 100ml​
46% OffFree Shipping
Why We Love It
  • Salon-smooth hair at home.
  • Fights frizz, boosts shine.
  • Versatile for all hair types.
Main Highlights
  • For Smooth, Sleek, Frizz-Free Hair: Created with and used by salon professionals, this smoothing cream tames frizz, flyaways, and static, leaving hair silky, sleek, and effortlessly polished
  • The Ultimate Frizz Fighter: Formulated with an Anti-Frizz Complex, this lightweight cream blocks humidity and fights frizz, keeping hair under control while delivering a high-gloss, salon-smooth finish
  • Powered by Shine-Boosting Ingredients: Infused with light reflecting Shine Enhancers, lightweight conditioners and Castor Seed Oil, this formula softens, smooths, and amplifies shine without weighing hair down
  • With a Soft, Touchable Finish: This multitasking formula delivers smooth, glossy results without leaving hair heavy or oily. Plus, the Enchanting Summer Fruit fragrance will leave your hair smelling so good you’ll be turning heads
  • Wear It Your Way - Air Dry or Heat Style: Apply to damp hair for effortless styling or dry hair for a sleek, polished finish; Works with air-drying or heat styling for frizz-control and gloss
  • Salon-Approved for All Hair Types: Designed for straight, wavy, and curly hair, but especially good for frizzy, dull, or coarse textures that need extra smoothness and shine
8.7
Excellent
Save 46%
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10
8.7
Excellent
John Frieda Frizz Ease All-in-1 Extra Strength Serum 50ml for Thick Coarse Hair
John Frieda
John Frieda Frizz Ease All-in-1 Extra Strength Serum 50ml for Thick Coarse Hair
Free Shipping
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
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