10 Best Hair Smoothing Finishing Serum in The UK

Last updated on 28/08/2025
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Best Choice
1
9.7
Exceptional
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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!
20% 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
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Best Value
2
9.6
Superb
Save 18%
Goldwell Dualsenses Just Smooth 6 Effects Serum for Unruly Frizzy Hair, Frizz Control, 100ml
Goldwell
Goldwell Dualsenses Just Smooth 6 Effects Serum for Unruly Frizzy Hair, Frizz Control, 100ml
18% OffFree Shipping
Why We Love It
  • Provides instant humidity control.
  • Manages and smoothens hair.
  • Ideal for daily usage.
Main Highlights
  • Controls frizz and adds shine to hair
  • Nourishes and smooths for a sleek finish
  • Protects against heat and environmental damage
  • Strengthens hair for a healthy, manageable look
  • Ideal for all hair types, especially frizzy hair
9.6
Superb
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3
9.6
Superb
Save 8%
ghd Dramatic Ending - Smooth & Finish Serum (30ml)
ghd
ghd Dramatic Ending - Smooth & Finish Serum (30ml)
8% 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 8%
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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%
Moroccanoil Intense Smoothing Frizz Control Serum, 50ml
Moroccanoil
Moroccanoil Intense Smoothing Frizz Control Serum, 50ml
15% OffFree Shipping
Why We Love It
  • Versatile for damp or dry hair.
  • Enhances shine, reduces frizz.
  • Convenient 50ml single pack.
Main Highlights
  • Distribute on damp hair from mid-length to ends, then style. Use on dry hair for added shine and frizz reduction.
9.4
Superb
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6
9.2
Superb
Paul Mitchell Super Skinny Serum, 150 ml
Paul Mitchell
Paul Mitchell Super Skinny Serum, 150 ml
Free Shipping
Why We Love It
  • Speeds up hair drying time.
  • Deeply penetrates for smooth hair.
  • Ensures frizz-free, shiny hair.
Main Highlights
  • Lightweight silicones smooth, condition and seal hair with added shine
  • Speeds up drying so you get silky-smooth results in less time
  • Super Skinny complex penetrates deep into hair
  • Leaves hair smooth, shiny and frizz-free in any weather
  • Paraben-free and colour safe
9.2
Superb
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7
9.0
Superb
Save 5%
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
5% 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
9.0
Superb
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8
8.8
Excellent
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L'Oréal Paris Elvive Extraordinary Oil Miracle Hair Serum, Intense Nourishment, Up to 6x more Shine, up to 230° heat protection, suitable for all hair types, 100ml
L'Oreal Paris
L'Oréal Paris Elvive Extraordinary Oil Miracle Hair Serum, Intense Nourishment, Up to 6x more Shine, up to 230° heat protection, suitable for all hair types, 100ml
50% OffFree Shipping
Why We Love It
  • Transforms dry, dull hair.
  • Provides luxurious shine.
  • Offers heat protection.
Main Highlights
  • Leaves your hair feeling beautifully nourished, soft and supple, Weightless finishing touch designed for use by all hair types
  • How to use: Rub 3 or 4 drops on hair, Apply evenly through wet or dry hair, Apply before shampoo to nourish, before styling to protect and transform, or as a finishing touch for sumptuous softness
  • Non greasy formula made with luxurious oils: 6 flower oil extracts with nourishing properties for luxurious shine & no flyaways, Heat protection from up to 230°C protection
8.8
Excellent
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9
8.7
Excellent
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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​
50% 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
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10
8.7
Excellent
Wella WP Oil Reflections Smoothing Oil, 30 ml
Wella
Wella WP Oil Reflections Smoothing Oil, 30 ml
Free Shipping
Why We Love It
  • Versatile oil for glossy reflections.
  • Infused with luxurious oils.
  • Leaves hair smooth, healthy-looking.
Main Highlights
  • Versatile oil for glossy reflections
  • With macadamia and Avocado oil
  • Leaves hair smooth and healthy-looking
8.7
Excellent
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