Best Smooth Hair Serum of 2026

Last updated on 03/04/2026
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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
25% Off
Why we love it
  • Delivers epic shine brilliantly.
  • Repairs and enhances texture.
  • Adds spectacular shine inside-out.
Main Highlights
  • Pop and lock shellac penetrates the colour with moisturising ingredients helps seal the cuticles to capture colour and moisture and block dryness
  • The colour is protected and optimised with an incomparable brightness as a mirror application
  • Apply after combing the hair to get extra shine
  • Element display volume: 550 ml
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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!

25% Off
Why we love it
  • Delivers epic shine brilliantly.
  • Repairs and enhances texture.
  • Adds spectacular shine inside-out.
Main Highlights
  • Pop and lock shellac penetrates the colour with moisturising ingredients helps seal the cuticles to capture colour and moisture and block dryness
  • The colour is protected and optimised with an incomparable brightness as a mirror application
  • Apply after combing the hair to get extra shine
  • Element display volume: 550 ml
Show More
Value for Money
2
Goldwell Dualsenses Just Smooth 6 Effects Serum, For Unruly & Frizzy Hair, Anti-Frizz & Humidity Control, 100ml
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Goldwell Dualsenses Just Smooth 6 Effects Serum, For Unruly & Frizzy Hair, Anti-Frizz & Humidity Control, 100ml

Goldwell
25% 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
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9.5
Superb
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9.5
Superb
Goldwell

Goldwell Dualsenses Just Smooth 6 Effects Serum, For Unruly & Frizzy Hair, Anti-Frizz & Humidity Control, 100ml

25% 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
Tresemme Keratin Smooth Serum 95 ml
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Tresemme Keratin Smooth Serum 95 ml

TRESemmé
Why we love it
  • Leaves hair silky smooth.
  • Easy to apply daily.
  • Trusted brand, long-lasting impact.
Main Highlights
  • Tresemme Keratin Smooth Serum 95 ml
  • Product type: HAIR STYLING AGENT
  • Brand: TRESemmé
  • Size: 95 ml Pack of 1
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9.4
Superb
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9.4
Superb
TRESemmé

Tresemme Keratin Smooth Serum 95 ml

Why we love it
  • Leaves hair silky smooth.
  • Easy to apply daily.
  • Trusted brand, long-lasting impact.
Main Highlights
  • Tresemme Keratin Smooth Serum 95 ml
  • Product type: HAIR STYLING AGENT
  • Brand: TRESemmé
  • Size: 95 ml Pack of 1
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4
Wella Professionals Ultimate Smooth Miracle Oil Serum - Hair Oil With Squalane & Omega 9 - For Dry, Dull & Frizzy Hair (30ml)
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Wella Professionals Ultimate Smooth Miracle Oil Serum - Hair Oil With Squalane & Omega 9 - For Dry, Dull & Frizzy Hair (30ml)

Wella Professionals
33% Off
Why we love it
  • Deeply nourishes hair instantly.
  • Protects from heat damage.
  • Delightful floral scent experience.
Main Highlights
  • Miracle Oil Serum: Delicate hair oil (with serum texture) deeply nourishes hair inside & out leaving it visibly smoother & shinier - nourishes in 30 secs, smoothness lasts up to 3 days*
  • HEAT PROTECTANT: Hair serum for dry & frizzy hair helps to protect from UV light & heat (230°C/450°F) & provides 96 hours frizz control & silky shine
  • HAIR PERFUME: Our most intense oil with notes of jasmine, vanilla, bergamot, peach & sandalwood - enjoy a floral bouquet scent with every use
  • HOW TO USE: Use serum before, during or after shower - apply 1-3 pumps onto damp hair lengths & ends or apply small amount on dry hair after styling
  • HAIR CARE ROUTINE: For best results, use with ULTIMATE SMOOTH shampoo, conditioner or hair mask - ideal for self care or as a beauty gift
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9.3
Superb
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9.3
Superb
Wella Professionals

Wella Professionals Ultimate Smooth Miracle Oil Serum - Hair Oil With Squalane & Omega 9 - For Dry, Dull & Frizzy Hair (30ml)

33% Off
Why we love it
  • Deeply nourishes hair instantly.
  • Protects from heat damage.
  • Delightful floral scent experience.
Main Highlights
  • Miracle Oil Serum: Delicate hair oil (with serum texture) deeply nourishes hair inside & out leaving it visibly smoother & shinier - nourishes in 30 secs, smoothness lasts up to 3 days*
  • HEAT PROTECTANT: Hair serum for dry & frizzy hair helps to protect from UV light & heat (230°C/450°F) & provides 96 hours frizz control & silky shine
  • HAIR PERFUME: Our most intense oil with notes of jasmine, vanilla, bergamot, peach & sandalwood - enjoy a floral bouquet scent with every use
  • HOW TO USE: Use serum before, during or after shower - apply 1-3 pumps onto damp hair lengths & ends or apply small amount on dry hair after styling
  • HAIR CARE ROUTINE: For best results, use with ULTIMATE SMOOTH shampoo, conditioner or hair mask - ideal for self care or as a beauty gift
Show More
5
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
10% Off
Main Highlights
  • Biolage Smoothproof Deep Smoothing 6-In-1 Professional Hair Serum
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9.2
Superb
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9.2
Superb
Biolage

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

10% Off
Main Highlights
  • Biolage Smoothproof Deep Smoothing 6-In-1 Professional Hair Serum
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6
Bed Head by TIGI - Control Freak Anti Frizz Hair Serum - For Smooth Shiny Hair - 255 ml
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Bed Head by TIGI - Control Freak Anti Frizz Hair Serum - For Smooth Shiny Hair - 255 ml

TIGI
39% Off
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
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9.0
Superb
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9.0
Superb
TIGI

Bed Head by TIGI - Control Freak Anti Frizz Hair Serum - For Smooth Shiny Hair - 255 ml

39% Off
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
Show More
7
Garnier Fructis Sleek & Shine Anti-Frizz Serum, Frizzy, Dry, Unmanageable Hair, 5.1 fl. oz.
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Garnier Fructis Sleek & Shine Anti-Frizz Serum, Frizzy, Dry, Unmanageable Hair, 5.1 fl. oz.

Garnier
46% Off
Why we love it
  • Tames frizz for smoothness.
  • Nourishes with natural ingredients.
  • Century-long trusted brand.
Main Highlights
  • Garnier Anti Frizz Serum With the frizz taming power of Moroccan argan oil this Anti Frizz serum penetrates into frizzy dry unmanageable hair for lasting smoothness and shine
  • Fight Frizz with Sleek and Shine Tame your frizz with styling sprays creams and mists that give your look a lasting sleek and smooth finish
  • Brand: Garnier
Show More
9.0
Superb
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9.0
Superb
Garnier

Garnier Fructis Sleek & Shine Anti-Frizz Serum, Frizzy, Dry, Unmanageable Hair, 5.1 fl. oz.

46% Off
Why we love it
  • Tames frizz for smoothness.
  • Nourishes with natural ingredients.
  • Century-long trusted brand.
Main Highlights
  • Garnier Anti Frizz Serum With the frizz taming power of Moroccan argan oil this Anti Frizz serum penetrates into frizzy dry unmanageable hair for lasting smoothness and shine
  • Fight Frizz with Sleek and Shine Tame your frizz with styling sprays creams and mists that give your look a lasting sleek and smooth finish
  • Brand: Garnier
Show More
8
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
33% Off
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.
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8.9
Excellent
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8.9
Excellent
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

33% Off
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
Avon Advance Techniques Absolute Nourishment Argan Hair Serum 30ml, Multi-Tasking Hair Treatment, Formulated with Argan Oil, Restores Shine and Health to Damaged Hair, Cruelty Free
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Avon Advance Techniques Absolute Nourishment Argan Hair Serum 30ml, Multi-Tasking Hair Treatment, Formulated with Argan Oil, Restores Shine and Health to Damaged Hair, Cruelty Free

Avon
Why we love it
  • Infused with nourishing argan oil.
  • Hydrates without weighing hair down.
  • Smooths flyaways and strengthens hair.
Main Highlights
  • INSTANTLY RESTORES SHINE AND HEALTH TO DAMAGED HAIR - Looking for the ultimate treatment for your dry, damaged hair? Want sleek luscious hair that looks and feels healthy? Our Absolute Nourishment Argan Treatment Serum is infused with argan oil to instantly restore shine and health to dry and damaged hair.
  • NOURISHING ARGAN - The Absolute Nourishment Argan Treatment Oil leaves hair feeling soft, strong and nourished and is suitable for all hair types. Designed to instantly revitalise dry and damaged hair.
  • HOW TO USE - Apply product evenly through damp or dry hair, from lengths to ends. Do not rinse. Use pre-blow dry for easy styling and a smooth finish.
  • CRUELTY FREE - We don't test a single product or ounce of ingredient on animals. In fact, we're actively against it, campaigning for acceptance on non-animal testing methods for more than 3 decades.
  • AVON - We're passionate about keeping you at the centre of beauty, creating products that embrace the latest trends and cutting-edge technology, alongside everyday essentials that will be the staples of your beauty kit.
Show More
8.7
Excellent
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8.7
Excellent
Avon

Avon Advance Techniques Absolute Nourishment Argan Hair Serum 30ml, Multi-Tasking Hair Treatment, Formulated with Argan Oil, Restores Shine and Health to Damaged Hair, Cruelty Free

Why we love it
  • Infused with nourishing argan oil.
  • Hydrates without weighing hair down.
  • Smooths flyaways and strengthens hair.
Main Highlights
  • INSTANTLY RESTORES SHINE AND HEALTH TO DAMAGED HAIR - Looking for the ultimate treatment for your dry, damaged hair? Want sleek luscious hair that looks and feels healthy? Our Absolute Nourishment Argan Treatment Serum is infused with argan oil to instantly restore shine and health to dry and damaged hair.
  • NOURISHING ARGAN - The Absolute Nourishment Argan Treatment Oil leaves hair feeling soft, strong and nourished and is suitable for all hair types. Designed to instantly revitalise dry and damaged hair.
  • HOW TO USE - Apply product evenly through damp or dry hair, from lengths to ends. Do not rinse. Use pre-blow dry for easy styling and a smooth finish.
  • CRUELTY FREE - We don't test a single product or ounce of ingredient on animals. In fact, we're actively against it, campaigning for acceptance on non-animal testing methods for more than 3 decades.
  • AVON - We're passionate about keeping you at the centre of beauty, creating products that embrace the latest trends and cutting-edge technology, alongside everyday essentials that will be the staples of your beauty kit.
Show More
10
John Frieda Frizz Ease The Controller Extra Strength Serum 50ml
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John Frieda Frizz Ease The Controller Extra Strength Serum 50ml

John Frieda
33% Off
Why we love it
  • Instantly smooths frizz.
  • Long-lasting frizz protection.
  • Vitamin E and Rice Oil.
Main Highlights
  • Instantly smooths frizz
  • Long-lasting* results with up to 3-day frizz protection Defends against 90% humidity Heat protection up to 230°C
  • Lightweight, residue-free finish
  • Enriched with Vitamin E and Rice Oil
  • Vegan formula Bottle made from 100% post-consumer recycled material (container only) *with continued use
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8.7
Excellent
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8.7
Excellent
John Frieda

John Frieda Frizz Ease The Controller Extra Strength Serum 50ml

33% Off
Why we love it
  • Instantly smooths frizz.
  • Long-lasting frizz protection.
  • Vitamin E and Rice Oil.
Main Highlights
  • Instantly smooths frizz
  • Long-lasting* results with up to 3-day frizz protection Defends against 90% humidity Heat protection up to 230°C
  • Lightweight, residue-free finish
  • Enriched with Vitamin E and Rice Oil
  • Vegan formula Bottle made from 100% post-consumer recycled material (container only) *with continued use
Show More

We scanned 1203 products

We reviewed these offers relevant to the Smooth Hair 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, TRESemmé, Wella Professionals, Biolage, TIGI, Garnier, Avon, John Frieda, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Smooth Hair 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: