10 bestHair Loss Serumsof December 2025
112M consumers helped this year.
19% off
1
Rogaine Men’s Hair Loss & Thinning Treatment for Hair Regrowth, 5 Minoxidil Foam Extra Strength, 3 Month Treatment, white
Rogaine
9.8
2
Botanic Hearth 100% Pure Rosemary Oil For Hair Infused With Biotin 6.7 Fl oz | Hair strengthening Treatment | Nourishing & Volumizing | With Jojoba Oil & Castor Oil | Non GMO Verified
Botanic Hearth
9.6
3
Rogaine Women's Rogaine 5% Minoxidil Foam - Once-a-day Hair Loss & Thinning Treatment, 4 Month Supply, white, 2 Month
Rogaine
9.3
4
Priorin Hair Growth Vitamins With Biotin - Vitamins To Stimulate Hair Growth For Men And Women, Decrease Of Hair Loss After Washing, Contains Biotin For Hair Growth, 60 Count, 1 Month Supply
Priorin
9.0
5
Nioxin Scalp + Hair Thickening System 4 - Hair Thickening System for Colored Or Dry Damaged Hair with Progressed Thinning, Full Size (Packaging May Vary)
Nioxin
8.7
OtherUp to 20% off
Nioxin Scalp + Hair Thickening System 2 Shampoo, For Natural Hair with Progressed Thinning, 16.9 fl oz (Packaging May Vary)
OUAI Scalp Serum - Balancing and Hydrating Serum with Red Clover Extract, Siberian Ginseng and Peptides for Thicker and Fuller-Looking Hair - Paraben, Phthalate and Sulfate Free Scalp Care (2 Fl Oz)
Nioxin Density Defend Diamax Advanced Hair Thickening Serum, 3.38 fl oz
Kérastase Genesis Homme, Hair Thickening Fortifying Serum, for Weakened & Thin Hair, With Aminexil, 90 ml
6
Rosemary Oil for Hair, Rosemary Essential Oil, Rosemary hair Oil for Stronger, Thicker, Longer Hair for Men and Women (clear serum)
Lilivera
8.4
7
Hair Serum: Hair Oil, Rice Water for Hair, Rosemary Oil for Hair, Castor Oil for Hair, Hair Products for Women and Men, for Thicker, Longer and Fuller Hair, with Biotin and Caffeine
ProBliva
8.1
8
Kérastase Genesis Hair Serum, Hair Thickening Sérum, Nourishing & Fortifying Leave-In Sérum, For Weakened Hair, With Ginger Root & Edelweiss Flower, 90 ml
KERASTASE
7.8
5% off
9
Minoxidil Hair Serum for Stronger Thicker and Healthier Hair-60ML
Generic
7.5
10
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
L'OREAL PROFESSIONNEL PARIS
7.2
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