smooth hair serum best sellers

#1 Elvive Glycolic Gloss L'Oreal Paris Elvive Glycolic Gloss Leave-In Serum, With Gloss Complex and Glycolic Acid, Fills and Seals Hair Fibres, For Long-lasting Smooth & Shiny Hair, Ideal for Dull Hair, 150ml

£5.99 on Amazon

#2 Super Serum Leave In Aussie Super Serum Leave In Conditioner Hair Serum Treatment, For Dry, Damaged Hair. 100 Hours of Hydration, Smooth, Soften, Detangle, Prevent Split Ends and Boost Shine, 160ml

£5.07 on Amazon

#3 Bed Head by TIGI Straighten 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

£6.33 on Amazon

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

£6.79 on Amazon

#5 Ingrown Hair Treatment WYOK Ingrown Hair Treatment Serum – Smoothing Solution for Razor Bumps & Hair Removal Aftercare | Hydrating Care for Underarms, Legs, Bikini Line & Arms

£9.99 on Amazon

#6 StyleSign Smoothing Serum Goldwell StyleSign Smoothing Serum Spray, Hair Serum for Frizz Control and Heat Protection, 100ml

£10.31 on Amazon

#7 Nice n’ Easy Pure Brunettes Clairol Nice n’ Easy Pure Brunettes Hair Colour | Pure and Rich Brown Tones | Smooth, Natural Hair Colour | With Pre-Colour Serum | 100% Grey Coverage | 6.5PB Lightest Latte Brown| Permanent Hair Dye

£5.49 on Amazon

#8 Razor Bump Smoothing IZBEAUVO Razor Bump Smoothing Solution Ingrown Hair Treatment with BHA AHA - High Roller Ingrown Tonic for Underarms Abdomen - Ingrown Hair Serum for Men & Women - Roller Ball Applicator for Tend Skin

£9.99 on Amazon

#9 Food For Soft Hair Serum Food For Soft Hair Serum Oil For Dry, Brittle, and All Hair Types - Softens, Smooths, and Adds Shine With Heat Protection, Repairing Leave In With Avocado Oil

£13.15 on Amazon

#10 Vitamino Color Spectrum L'Oréal Professionnel Vitamino Color Spectrum Glass Shine Serum, Anti-frizz & Anti-Humidity, Ultra Shiny Smooth Hair, Waterproof, UV Protection, Heat Protection, for Coloured Hair

£18.95 on Amazon

#11 Hair Oil Serum with Coconut Garnier Hair Oil Serum with Coconut oil and Cocoa butter. Smoothes & Nourishes Dry, Frizzy Hair, Vegan formla, no Silicones. 150ml

£7.59 on Amazon

#12 Bond Protein Repair Sealing OGX Bond Protein Repair Sealing Hair Serum, Repair & Protect, 8percent Bond Complex, 24-Hour Smooth, Shine & Strength, for Medium to Thick Hair, 50ml

£5 on Amazon

#13 L'Oréal Paris Elvital L'OREAL PARIS L'Oréal Paris Elvital Glycolic Gloss Serum for Dull and Dull Hair, Hair Care for Intense Smoothness and Ultimate Shine, Leave-In Serum, Regenerating, with Glycolic Acid, 150 ml

£9.97 on Amazon

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

£15.35 on Amazon

#15 Bed Head By Tigi Hair Bed Head By Tigi Hair Spray, Jelly Oil, Cream, Serum for Smooth & Shiny Hair

£10.49 on Ebay

#16 🆕 Frizz No More Miracle Creightons Frizz No More Miracle Serum For Sleek & Shine Smooth Hair NEW - UK X3

£14.16 on Ebay

#17 🆕 Moroccan Hair Oil 100ml ESSENTIAL Moroccan Hair Oil 100ml Moisturizing Smoothing for All Hair Types Hair serum

£10.99 on Ebay

#18 Naturals Hydrate & Defrizz INECTO Naturals Hydrate & Defrizz Coconut Dream Crème Hair Serum 100ml, Anti Frizz, Preservers Moisture for Visibly Smooth Hydrated, 100% Natural Oils, Dry and Damaged

£5.07 on Amazon

#19 🔥 L'Oréal Professionnel L'Oréal Professionnel Vitamino Color Spectrum Glass Shine Serum, Anti-frizz & Anti-Humidity, Ultra Shiny Smooth Hair, Waterproof, UV Protection, Heat Protection, for Coloured Hair

£13.62 on Amazon

#20 🔥 🆕 THE HAIR LAB BY MARK THE HAIR LAB BY MARK HILL SMOOTHING SHAMPOO AND CONDITIONER 300 ML + SERUM 50ML

£31.95 on Ebay