10 bestHair Serumsof May 2026
112M consumers helped this year.
30% off
1
Botanic Hearth Argan Hair Oil for Adult Hydration, Nourishing, Strengthening, Curly, Frizzy, Dry, Damaged Hair, Non-GMO Verified, 4 fl oz, 1 Count
Botanic Hearth
9.8
2
L'Oreal Paris Dream lengths Sleek Frizz Eraser Serum with Keratin and Castor Oil, 100 Milliliters
L’Oréal Paris
9.6
3
Kérastase Genesis Hair Serum, Hair Thickening Sérum, Nourishing & Fortifying Leave-In Sérum, For Weakened Hair, With Ginger Root & Edelweiss Flower, 90 ml
KERASTASE
9.3
4
Kérastase Nutritive, 8H Magic Night Serum, Nourishing Hair Serum with Niacinamide, Overnight Leave-In Treatment for Dry Hair, Lightweight and Non-Greasy, 90 ml
KERASTASE
9.1
5% off
5
Moroccanoil Treatment Hair Oil, 0.85 oz
Moroccanoil
8.8
Other
L’Oréal Professionnel 10-in-1 Leave-in Oil for Dry And Damaged Hair, With Protein. Gold Quinoa and Wheat Germ Oil, Nourishes, Resurfaces and Repairs, Serie Expert Absolut Repair, 90 ml
L'Oreal Professionnel Hair Serum, Serioxyl Advanced Serum, Thickening Serum Oil, For All Scalp Types, Scalp Relief,For Hair In Need of Volume and Texture, Serie Expert,Professional, 90 ML
Redken Leave-In Cream, Heat Protection up to 450 Degrees, Protects Against Humidity, For Frizzy & Unmanageable Hair, Instantly Smooths Hair, Sulfate Free, Frizz Dismiss Rebel Tame, 805 fl.oz./250ml
Kérastase Resistance, Strengthening & Healing Serum with Heat Protection, For Over-stressed & Very Damaged Hair, With Fibra-Kap, Sérum Thérapiste, 30ml
6
Olaplex No. 7 Bond Oil, 30 ml.
Olaplex
8.5
20% off
7
Garnier Fructis Sleek & Shine Anti-Frizz Serum, For Frizzy, Dry Hair, Instant Sleek, with Argan Oil, 150 mL
Garnier
8.2
5% off
8
Nioxin Ultimate Power Serum, Leave-In Hair Treatment with Caffeine, Lauric Acid, Niacinamide And Sandalore, Prevent Hair Damage, 2.3 oz
Nioxin
7.9
9
Kérastase Nutritive, Hydrating Scalp Serum for Dry Hair, With Niacinamide and Vitamins, Moisturising and Revitalising, Fast Absorbing and Non Greasy, Nutri-Supplement, 90 ml
KERASTASE
7.6
5% off
10
Verb Ghost Oil Vegan Weightless Hair Oil Lightweight Hair Oil Revitalizing Hair Treatment Oil Nourishes and Promotes Shiny Hair Paraben Free, Sulfate Free Smoothing Oil, 2 fl oz
Verb
7.3
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy