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

£8.49 on Amazon

#2 🔥 Rich Moisture Leave In TRESemmé Rich Moisture Leave-In Cream Hair Serum hair treatment with Hyaluronic Acid for up to 3x extra smoothness* & all-day hydration 200 ml

£3.25 on Amazon

#3 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

£6 on Amazon

#4 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

£8.54 on Amazon

#5 🔥 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

£5.69 on Amazon

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

£9.66 on Amazon

#7 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

£8.99 on Amazon

#8 Strength & Length Shampoo Aussie Strength & Length Shampoo, Conditioner & Super Serum Leave in Treatment Set (pack of 3). Hydrate & Strengthen Long, Dry, Damaged Hair. Smooth, Soften, Detangle, Prevent Split Ends & Boost Shine

£22.55 on Amazon

#9 Bed Head by TIGI Control Bed Head by TIGI Control Freak Anti Frizz Serum for Smooth Shiny Hair 250ml, 2pk

£17.99 on Ebay

#10 🔥 Cyperus Rotundus Oil GIFTGEM Cyperus Rotundus Oil for Hair Removal – Natural Cyperus Rotundus Serum with Hair Growth Inhibitor, Gentle & Soothing Formula, Moisturising for Smooth Skin – Face & Body for All Skin Types

£8.99 on Amazon

#11 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

£12 on Amazon

#12 Smoothing Solution Ingrown LUMITER Smoothing Solution Ingrown Hair Treatment, After Shave Soothing Roll on Serum with BHA AHA, Razor Bump & Ingrown Hairs Serum for Men & Women Underarm/Face/Neck/Leg, Tend Skin Solution, 50ML

£8.99 on Amazon

#13 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

£9.50 on Amazon

#14 Frizz No More Sleek & Creightons Frizz No More Sleek & Shine Miracle Serum Smooth Hair NEW - UK STOCK

£5.95 on Ebay

#15 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

£9.49 on Amazon

#16 🔥 Smooth and Shine Hair Cureskin Smooth and Shine Hair Serum for Dry Frizzy Hair Women and Men | Helps Reducing Hair Breakage, Frizz and Detangels for Strong, Protected and Shiny Hair

£2.98 on Amazon

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

£8.92 on Amazon

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

£15.56 on Amazon

#19 🔥 Moroccan Hair Oil 100ml ESSENTIAL Moroccan Hair Oil 100ml Moisturizing Smoothing for All Hair Types Hair serum

£10.89 on Ebay

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

£31.95 on Ebay