Best Smoothing Hair Serums of 2025

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If you're looking for a way to tame frizz and add shine to your hair, smoothing hair serums might just be the solution you need. These products are designed to smooth down the cuticles of your hair, reducing the appearance of frizz and flyaways. They can also help to add moisture and shine to your locks, leaving them looking healthy and vibrant. Whether you have curly, straight, or wavy hair, there is a smoothing hair serum out there that can help you achieve the look you want.
At a Glance: Our Top Picks
Top 10 Smoothing Hair Serums
Bed Head Control Freak Anti Frizz Serum
The Control Freak Serum by Bed Head is an excellent solution for tackling frizz and flyaways. With its anti-frizz properties, this serum helps you achieve a sleek and polished look, making it perfect for those with curly, frizzy, or coarse hair. Enriched with mica, it adds a stunning gloss and shine to your locks, ensuring you look your best. Additionally, it moisturises and conditions your hair, giving it a soft and smooth appearance that is easy to manage.
Creightons Frizz No More Serum for Smooth Hair
The Creightons Frizz No More offers a revolutionary formula that smooths your hair from root to tip, giving you a sleek and shiny finish. With its potent blend of Coconut and Camellia Oil, it effectively locks out frizz and moisture, ensuring your hair remains smooth throughout the day. This serum is ideal for frizz-prone or wavy/curly hair, providing the perfect solution for those challenging textures. Additionally, it keeps your hair super smooth while maintaining its natural vibrancy, making it a great addition to your hair care routine.
TRESemmé Lamellar Shine Leave-In Cream Serum
TRESemmé Lamellar Shine Serum is perfect for all hair types, whether wavy, straight, or curly, helping you achieve a stunning salon-grade gloss. Its Lamellar Technology works to smooth and align hair strands, correcting imperfections for a polished finish. With PRO Style Technology, the serum strengthens and manages damaged hair, making it look healthier over time. Each ingredient is carefully selected to ensure your hair receives top-notch care, so you can feel confident in every style you create.
Goldwell StyleSign Smoothing Serum Spray, 100ml
The Goldwell Smoothing Serum Spray is a fantastic choice for anyone seeking value for money. With its excellent quality, you can feel confident that you are using a product that truly delivers. Its easy-to-use formulation means you can effortlessly incorporate it into your hair care routine. This serum spray helps to smooth your hair, making it manageable and giving you that polished look you desire. Enjoy the convenience of a product that works effectively without complicating your daily regimen.
Headshock No5 Smoothing Infusion Serum
The Headshock No5 Serum is designed to restore your hair's natural shine, moisture, and softness. By reducing hair breakage and heat damage, it helps maintain the health of your locks. You will notice that your hair's surface regains its softness and shine, making it look vibrant and revitalised. Additionally, this serum seals the hair cuticle, controlling frizz and providing a smooth finish that enhances your overall style.
COLOR WOW Frizz Control Serum for Glossy Hair
COLOR WOW Frizz Control is designed to give you silky, shiny hair. It features a sparkling high-gloss finish that locks down the cuticle, helping to seal split ends and keep your hair looking healthy. You can enjoy protection against UV rays and colour fade, ensuring your colour remains vibrant for longer. Additionally, this serum offers three levels of heat protection, so you can style your hair with confidence. Whether your hair is wet or dry, the glossing serum instantly smooths frizz, making your hair easier to manage.
L'Oréal Professionnel Protective Smoothing Serum for Damaged Hair
The L'Oréal Professionnel Serum is a concentrated treatment designed for all hair types, especially those that are damaged or sensitised. Its steam-activated formula works effectively with the Steampod to provide protection, softness, and a natural-looking shine. You can easily apply it to dry hair for a finishing touch, ensuring even distribution by using just two drops. For an extra boost of shine, simply mix two drops into your smoothing milk or cream before pre-drying. This product is a convenient way to enhance the overall appearance of your hair.
Biolage Smoothproof Avocado Deep Smoothing Serum
The Biolage Smoothproof Serum is a professional 6-in-1 hair serum designed to smooth and control frizzy hair. This product helps to tame unruly locks, giving you a sleek and polished look. It offers deep smoothing benefits, making your hair more manageable and easier to style. Additionally, it provides essential nourishment to keep your hair healthy and vibrant. With its lightweight formula, you can easily incorporate this serum into your daily hair care routine for lasting results.
Avon Argan Hair Serum for Damaged Hair
The Avon Argan Hair Serum is your go-to solution for dry, damaged hair. Infused with nourishing argan oil, it instantly restores shine and health, making your hair feel soft and revitalised. Whether you apply it to damp or dry hair, there's no need to rinse, providing you with a convenient styling option. This cruelty-free product allows you to embrace beauty without compromising your values, making it suitable for all hair types.
Moroccanoil Intense Smoothing Frizz Control Serum
The Moroccanoil Frizz Control Serum is designed to help you achieve smooth, manageable hair. By distributing it on damp hair from mid-length to ends, you can style your hair with ease, enjoying a sleek look. For added benefits, using it on dry hair enhances shine while reducing frizz, giving you a polished finish. This versatile serum not only tames unruly strands but also provides a convenient way to boost your hair's overall appearance, making it a must-have for those seeking a flawless look.
Frequently Asked Questions (FAQs)
1. Is smoothing serum good for hair?
Although it's designed to straighten frizzy or curly hair, the smoothing effect of this serum also makes it a great option for straight hair. Ingredients like witch hazel and rosemary extract help protect against heat styling and humidity.
2. What is smoothing serum for?
For Simply Styled, Smooth Hair Style your way with Suave Smoothing Serum. This serum, formulated with a quick blow dry formula, helps tame frizz while maintaining your hair's health and shine. With 24-hours of frizz control, this anti-frizz serum leaves your hair hydrated and easy to endlessly re-style!
During our smoothing hair serum research, we found 112 smoothing hair serum products and shortlisted 10 quality products. We collected and analyzed 210,319 customer reviews through our big data system to write the smoothing hair serums list. We found that most customers choose smoothing hair serums with an average price of £5.96.
The smoothing hair serums are available for purchase. We have researched hundreds of brands and picked the top brands of smoothing hair serums, including TIGI, Creightons, Goldwell, Headshock, COLOR WOW.

Charlotte Powell is a dermatologist and a licensed cosmetologist from Westminster, London. However, she was first a cosmetologist from London Beauty Training School. According to Charlotte, she needed better insight into the human skin, hence the dermatology degree. Long before she acquired her degree, she wrote and edited articles, eBooks, and editorials for companies and websites. Charlotte combines her skill and knowledge in providing DIY Beauty tips amongst other fashion related topics.