Best Hair Smoothing Serum of 2025

Last updated on 15/12/2025
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1
COLOR WOW Pop & Lock Anti-Frizz Hair Serum: Prevent Colour Fade, Temporarily Seal Split Ends, and Add Gloss - Get Silky, Shiny Hair!
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COLOR WOW Pop & Lock Anti-Frizz Hair Serum: Prevent Colour Fade, Temporarily Seal Split Ends, and Add Gloss - Get Silky, Shiny Hair!

COLOR WOW
4% OffFree Shipping
Why we love it
  • Delivers epic shine brilliantly.
  • Repairs and enhances texture.
  • Adds spectacular shine inside-out.
Main Highlights
  • Lightweight serum instantly smooths frizz on wet or dry hair for a sleek, glossy finish
  • Seals the cuticle to lock in colour, prevent moisture loss, and enhance vibrancy
  • Includes UV filters and 3 levels of heat protection to help prevent colour fade and damage
  • Perfect anti-frizz serum for touch-ups or styling support with no greasy residue
  • Safe for colour-treated, keratin-treated, and damaged hair types
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9.7
Exceptional
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9.7
Exceptional
COLOR WOW

COLOR WOW Pop & Lock Anti-Frizz Hair Serum: Prevent Colour Fade, Temporarily Seal Split Ends, and Add Gloss - Get Silky, Shiny Hair!

4% OffFree Shipping
Why we love it
  • Delivers epic shine brilliantly.
  • Repairs and enhances texture.
  • Adds spectacular shine inside-out.
Main Highlights
  • Lightweight serum instantly smooths frizz on wet or dry hair for a sleek, glossy finish
  • Seals the cuticle to lock in colour, prevent moisture loss, and enhance vibrancy
  • Includes UV filters and 3 levels of heat protection to help prevent colour fade and damage
  • Perfect anti-frizz serum for touch-ups or styling support with no greasy residue
  • Safe for colour-treated, keratin-treated, and damaged hair types
Show More
Value for Money
2
Goldwell Dualsenses Just Smooth 6 Effects Serum for Unruly Frizzy Hair, Frizz Control, 100ml
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Goldwell Dualsenses Just Smooth 6 Effects Serum for Unruly Frizzy Hair, Frizz Control, 100ml

Goldwell
30% Off
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
Show More
9.6
Superb
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9.6
Superb
Goldwell

Goldwell Dualsenses Just Smooth 6 Effects Serum for Unruly Frizzy Hair, Frizz Control, 100ml

30% Off
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
Show More
3
Goldwell StyleSign Smoothing Serum Spray, Hair Serum for Frizz Control and Heat Protection, 100ml
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Goldwell StyleSign Smoothing Serum Spray, Hair Serum for Frizz Control and Heat Protection, 100ml

Goldwell
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
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9.4
Superb
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9.4
Superb
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
Show More
4
Wella Professionals Oil Reflections Luminous Smoothening Hair Oil - Radiant Shine & Silky Smoothness Hair With Camellia Oil & White Tea Extract 100ml
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Wella Professionals Oil Reflections Luminous Smoothening Hair Oil - Radiant Shine & Silky Smoothness Hair With Camellia Oil & White Tea Extract 100ml

Wella Professionals
38% OffFree Shipping
Why we love it
  • Ideal for professional hair care.
  • Effortless application process.
  • Priced for everyday use.
Main Highlights
  • HAIR OIL: Unlocks your luminosity from root-to-tip - achieve radiant shine & smoothness with this nourishing hair oil
  • SMOOTHENING: Enriched with Camellia Oil & White Tea Extract for long-lasting hydrated feeling & luminous shine
  • PROTECTION: With Metal Purifier to protect from harmful metals in water & prevent damage to your hair
  • MOISTURISING FEEL: Helps to replenish moisture balance - keeps hair looking & feeling healthy & strong
  • HAIR CARE: Hair appears visibly smoother with a luminous shine - the perfect hair care gift
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9.3
Superb
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9.3
Superb
Wella Professionals

Wella Professionals Oil Reflections Luminous Smoothening Hair Oil - Radiant Shine & Silky Smoothness Hair With Camellia Oil & White Tea Extract 100ml

38% OffFree Shipping
Why we love it
  • Ideal for professional hair care.
  • Effortless application process.
  • Priced for everyday use.
Main Highlights
  • HAIR OIL: Unlocks your luminosity from root-to-tip - achieve radiant shine & smoothness with this nourishing hair oil
  • SMOOTHENING: Enriched with Camellia Oil & White Tea Extract for long-lasting hydrated feeling & luminous shine
  • PROTECTION: With Metal Purifier to protect from harmful metals in water & prevent damage to your hair
  • MOISTURISING FEEL: Helps to replenish moisture balance - keeps hair looking & feeling healthy & strong
  • HAIR CARE: Hair appears visibly smoother with a luminous shine - the perfect hair care gift
Show More
5
Wella Care Oil Reflections smoothing oil 30ML
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Wella Care Oil Reflections smoothing oil 30ML

Wella Professionals
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
Show More
9.3
Superb
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9.3
Superb
Wella Professionals

Wella Care Oil Reflections smoothing oil 30ML

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
Show More
6
Matrix Biolage Smoothproof Avocado Deep Smoothing Serum Smoothes and Controls Frizzy hair - 100ml
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Matrix Biolage Smoothproof Avocado Deep Smoothing Serum Smoothes and Controls Frizzy hair - 100ml

Biolage
5% OffFree Shipping
Main Highlights
  • Biolage Smoothproof Deep Smoothing 6-In-1 Professional Hair Serum
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9.3
Superb
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9.3
Superb
Biolage

Matrix Biolage Smoothproof Avocado Deep Smoothing Serum Smoothes and Controls Frizzy hair - 100ml

5% OffFree Shipping
Main Highlights
  • Biolage Smoothproof Deep Smoothing 6-In-1 Professional Hair Serum
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7
Bed Head by TIGI After Party Smoothing Cream - Anti Frizz Hair Styling Smoothing Cream, Air Dry or Wet Styling for Straight, Wavy or Curly Hair with Caster Seed Oil for Ultimate High Shine Hold
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Bed Head by TIGI After Party Smoothing Cream - Anti Frizz Hair Styling Smoothing Cream, Air Dry or Wet Styling for Straight, Wavy or Curly Hair with Caster Seed Oil for Ultimate High Shine Hold

TIGI
55% OffFree Shipping
Why we love it
  • Salon-smooth hair at home.
  • Fights frizz, boosts shine.
  • Versatile for all hair types.
Main Highlights
  • YOUR FLYAWAY SOLUTION – Bed Head's After Party Smoothing Cream tames flyaways and frizz for sleek, glossy hair. Whether you have natural curly hair, or you're looking for pin straight sleekness, our smooth styling butter will perfect your style.
  • GLOSS WITH HOLD – Formulated with lightweight and hydrating castor seed oil, to tame static, and light-reflecting shine enhancers our long lasting finishing cream will leave hair soft and bouncy whilst moisturising strands for silky shine.
  • HAIR SETTING CREAM - No matter the weather, TIGI's ultimate style smoothing cream keeps your hair protected from humidity. No flyaway, no frizz, made for all hair types and every style from straight, to wavy, to curly - your haircare must have!
  • STYLE YOUR WAY – Apply to damp hair for blow-dried perfection or smooth dry hair to tame static and flyaways. Air-dry, straighten, or curl – After Party gives total control and salon-professional, high-gloss results for men and women.
  • WET OR DRY STYLING FLEX – Use After Party Cream on damp hair to air-dry into soft, frizz-free waves, or smooth onto dry hair to tame flyaways and add high-gloss shine. The ultimate anti-frizz finishing cream for any look - day or night!
Show More
9.2
Superb
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9.2
Superb
TIGI

Bed Head by TIGI After Party Smoothing Cream - Anti Frizz Hair Styling Smoothing Cream, Air Dry or Wet Styling for Straight, Wavy or Curly Hair with Caster Seed Oil for Ultimate High Shine Hold

55% OffFree Shipping
Why we love it
  • Salon-smooth hair at home.
  • Fights frizz, boosts shine.
  • Versatile for all hair types.
Main Highlights
  • YOUR FLYAWAY SOLUTION – Bed Head's After Party Smoothing Cream tames flyaways and frizz for sleek, glossy hair. Whether you have natural curly hair, or you're looking for pin straight sleekness, our smooth styling butter will perfect your style.
  • GLOSS WITH HOLD – Formulated with lightweight and hydrating castor seed oil, to tame static, and light-reflecting shine enhancers our long lasting finishing cream will leave hair soft and bouncy whilst moisturising strands for silky shine.
  • HAIR SETTING CREAM - No matter the weather, TIGI's ultimate style smoothing cream keeps your hair protected from humidity. No flyaway, no frizz, made for all hair types and every style from straight, to wavy, to curly - your haircare must have!
  • STYLE YOUR WAY – Apply to damp hair for blow-dried perfection or smooth dry hair to tame static and flyaways. Air-dry, straighten, or curl – After Party gives total control and salon-professional, high-gloss results for men and women.
  • WET OR DRY STYLING FLEX – Use After Party Cream on damp hair to air-dry into soft, frizz-free waves, or smooth onto dry hair to tame flyaways and add high-gloss shine. The ultimate anti-frizz finishing cream for any look - day or night!
Show More
8
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
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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
50% OffFree Shipping
Why we love it
  • Transforms dry, dull hair.
  • Provides luxurious shine.
  • Offers heat protection.
Main Highlights
  • Nourish your dry hair with Elvive Extraordinary Oil: Dry hair can lack nourishment leaving it feeling rough, dull and lifeless. Bathe your hair in nourishment from root to tip for rich, shiny hair.
  • Formula made with luxurious oils: 6 flower oil extracts with nourishing properties for luxurious shine & no flyaways. Leaves your hair feeling beautifully nourished, soft and supple. A non-greasy formula and gives a weightless finishing touch designed for use by all hair types.
  • Leaves your hair feeling beautifully nourished, soft and supple. A non-greasy formula and gives a weightless finishing touch designed for use by all hair types.
  • Heat protection from up to 230°C protection: Use this product with heat appliances or take it on holiday to protect hair from sun damage.
  • Mutli-purpose and ultra-versatile product: It can be used before shampooing for nourishment, before styling to help protect and transform your hair, or as a finishing touch for exceptual shine.
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9.1
Superb
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9.1
Superb
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
  • Nourish your dry hair with Elvive Extraordinary Oil: Dry hair can lack nourishment leaving it feeling rough, dull and lifeless. Bathe your hair in nourishment from root to tip for rich, shiny hair.
  • Formula made with luxurious oils: 6 flower oil extracts with nourishing properties for luxurious shine & no flyaways. Leaves your hair feeling beautifully nourished, soft and supple. A non-greasy formula and gives a weightless finishing touch designed for use by all hair types.
  • Leaves your hair feeling beautifully nourished, soft and supple. A non-greasy formula and gives a weightless finishing touch designed for use by all hair types.
  • Heat protection from up to 230°C protection: Use this product with heat appliances or take it on holiday to protect hair from sun damage.
  • Mutli-purpose and ultra-versatile product: It can be used before shampooing for nourishment, before styling to help protect and transform your hair, or as a finishing touch for exceptual shine.
Show More
9
Bed Head by TIGI Straighten Out Anti-Frizz Hair Serum – Smooths, Controls Frizz & Flyaways, Salon-Professional Hydration to Add Shine & Softness, Ideal for Hair Prone to Humidity for a Sleek Finish
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Bed Head by TIGI Straighten Out Anti-Frizz Hair Serum – Smooths, Controls Frizz & Flyaways, Salon-Professional Hydration to Add Shine & Softness, Ideal for Hair Prone to Humidity for a Sleek Finish

TIGI
55% OffFree Shipping
Why we love it
  • Tames and smoothens frizzy hair.
  • Ensures glossy, shiny finish.
  • Offers efficient heat protection.
Main Highlights
  • ANTI-FRIZZ HAIR SERUM – Smooths frizz, flyaways, and static instantly. Ideal for dry, coarse, or unruly hair, giving professional salon-quality results with soft, manageable, and sleek hair every day.
  • SMOOTH & SHINY FINISH – Adds brilliant shine and softness while keeping hair hydrated. Perfect for achieving a polished, smooth look without weighing hair down or leaving residue, ideal for daily styling.
  • HYDRATES & CONDITIONS – Moisturises and nourishes hair to improve texture and manageability. Helps control frizz and dryness, leaving strands soft, touchable, and easier to style for long-lasting sleekness.
  • PROFESSIONAL SALON RESULTS – Formulated with expert care for frizzy, coarse, or unmanageable hair. Provides a straightened, smooth appearance with added shine and definition, mimicking salon finishes at home.
  • EASY DAILY USE – Apply to damp or dry hair from mid-lengths to ends for smooth, frizz-free results. Perfect for all hair types, including chemically-treated, thick, or hair prone to humidity and works with heat styling or air drying.
Show More
9.1
Superb
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9.1
Superb
TIGI

Bed Head by TIGI Straighten Out Anti-Frizz Hair Serum – Smooths, Controls Frizz & Flyaways, Salon-Professional Hydration to Add Shine & Softness, Ideal for Hair Prone to Humidity for a Sleek Finish

55% OffFree Shipping
Why we love it
  • Tames and smoothens frizzy hair.
  • Ensures glossy, shiny finish.
  • Offers efficient heat protection.
Main Highlights
  • ANTI-FRIZZ HAIR SERUM – Smooths frizz, flyaways, and static instantly. Ideal for dry, coarse, or unruly hair, giving professional salon-quality results with soft, manageable, and sleek hair every day.
  • SMOOTH & SHINY FINISH – Adds brilliant shine and softness while keeping hair hydrated. Perfect for achieving a polished, smooth look without weighing hair down or leaving residue, ideal for daily styling.
  • HYDRATES & CONDITIONS – Moisturises and nourishes hair to improve texture and manageability. Helps control frizz and dryness, leaving strands soft, touchable, and easier to style for long-lasting sleekness.
  • PROFESSIONAL SALON RESULTS – Formulated with expert care for frizzy, coarse, or unmanageable hair. Provides a straightened, smooth appearance with added shine and definition, mimicking salon finishes at home.
  • EASY DAILY USE – Apply to damp or dry hair from mid-lengths to ends for smooth, frizz-free results. Perfect for all hair types, including chemically-treated, thick, or hair prone to humidity and works with heat styling or air drying.
Show More
10
Bare Anatomy Ultra Smoothing Hair Serum Powered By Carbohydrate Complex & Niacinamide | Serum for Smooth & Shiny Hair | For Dry & Frizzy Hair | Women & Men | 100ml
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Bare Anatomy Ultra Smoothing Hair Serum Powered By Carbohydrate Complex & Niacinamide | Serum for Smooth & Shiny Hair | For Dry & Frizzy Hair | Women & Men | 100ml

Bare Anatomy
Free Shipping
Why we love it
  • Smooths out rough ends.
  • Restores hair's natural texture.
  • Deeply conditions and hydrates.
Main Highlights
  • RESTORES SMOOTHNESS : The Ultra Smoothing Serum reduces damage,locks in moisture, repairs damaged hair and restores smoothness
  • WHAT CAUSES COARSE AND DAMAGED HAIR ? : Dry hair is caused due to lack of natural oil & moisture that act as lubricants all along the hair fiber. This serum moisturizes hair and restores smoothness.
  • CARBOHYDRATE COMPLEX: It is the main source of nutrition for dry hair. Carbohydrate Complex prevents hair breakage and promotes hair growth.
  • NIACINAMIDE: It is a form of Vitamin B3 beneficial for hair health. It improves efficiency of keratin synthesis and regulates scalp and hair oil production.
  • ANTI-DEHYDRATION : Hydrates dry hair and moisturizes dry ends. Maintains overall moisture overtime.
Show More
9.0
Superb
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9.0
Superb
Bare Anatomy

Bare Anatomy Ultra Smoothing Hair Serum Powered By Carbohydrate Complex & Niacinamide | Serum for Smooth & Shiny Hair | For Dry & Frizzy Hair | Women & Men | 100ml

Free Shipping
Why we love it
  • Smooths out rough ends.
  • Restores hair's natural texture.
  • Deeply conditions and hydrates.
Main Highlights
  • RESTORES SMOOTHNESS : The Ultra Smoothing Serum reduces damage,locks in moisture, repairs damaged hair and restores smoothness
  • WHAT CAUSES COARSE AND DAMAGED HAIR ? : Dry hair is caused due to lack of natural oil & moisture that act as lubricants all along the hair fiber. This serum moisturizes hair and restores smoothness.
  • CARBOHYDRATE COMPLEX: It is the main source of nutrition for dry hair. Carbohydrate Complex prevents hair breakage and promotes hair growth.
  • NIACINAMIDE: It is a form of Vitamin B3 beneficial for hair health. It improves efficiency of keratin synthesis and regulates scalp and hair oil production.
  • ANTI-DEHYDRATION : Hydrates dry hair and moisturizes dry ends. Maintains overall moisture overtime.
Show More

We scanned 1203 products

We reviewed these offers relevant to the Hair Smoothing 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 COLOR WOW, Goldwell, Wella Professionals, Biolage, TIGI, L'Oreal Paris, Bare Anatomy, 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 Smoothing Serum in the market, we considered we took a deep dive into 6016 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: