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5 Best Regrowth Hair Serums of 2025

Last Updated - 2025/09/30

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

NIOXIN

Nioxin Fall Defense Intensive Daily Leave-In Treatment | With Niacinamide, Caffeine, Lauric Acid & Sandalore | For Thicker, Stronger Hair | 2.3 Fl Oz

NIOXIN

CA$49.99

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Main highlights
- Visible thicker and stronger hair from the 1st application
- Dermatologically tested
- 95% noticed less amount of hair in the brush* *in a double-blind clinical study vs placebo among 120 panelists with alopecia.
CA$49.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

NIOXIN

Nioxin Night Density Rescue Serum for Overnight Hair Thickening | Protects Against Hair Breakage | Intensive Treatment with Oxydine | 2.4 Fl Oz

NIOXIN

CA$49.99

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Main highlights
- This overnight hair serum leaves no residue on pillow.
- Formulated with OXYDINE24 technology - a powerful blend of antioxidants known to neutralize free radicals on the scalp surface.
- Complement your Nioxin Night Density Rescue treatment with 3-Part NIOXIN System Kits.
- 90% of consumers who tried Night Density Rescue noticed their hair looking healthy* (*Based on clinical study with 60 Italian panelists conducted for 4 months by Eurofins Consumer Product Testing Italy 2018/ 2019.)
CA$49.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Lilivera

Rosemary Oil for Hair: Rosemary Hair Serum Infused With Castor Oil for Thicker, Stronger Hair - Hair Serum Nourishing Dryness for Both Men and Women

Lilivera

CA$24.99

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Main highlights
- Rosemary Essential Oil for hair
CA$24.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Verb

VERB Density Peptide Serum, 1 fl oz - Visibly Thicken + Reduce Signs of Shedding- No Parabens or Harmful Sulfates

Verb

CA$30.00

More Details
Main highlights
- PROVEN RESULTS: Clinically proven results: Up to 200% visibly denser hair* Up to 167% visibly thicker, fuller hair* 97% noticed less visible hair fallout* *based on a 20-week clinical study of 34 participants
- ONLY THE GOOD STUFF: This paraben free, gluten free serum with no harmful sulfates for women and men is vegan and cruelty free; this thickening serum is safe for all hair types and made in the USA
- KEY INGREDIENTS: Our Unique Density Complex: helps stimulate hair growth Ginseng Root extract: helps increase the size and depth of hair follicles Niacinamide: helps boost blood circulation in the scalp which in return helps to promote thicker, fuller hair
- KEY BENEFITS: Helps hair appear denser, Visibly increases hair thickness and fullness, Reduces visible signs of hair shedding and fallout
- INCREASE HAIR DENSITY: A lightweight hair serum that visibly increases hair density and minimizes the appearance of thinning hair. Powered by our unique density complex, ginseng root extract and niacinamide, this serum visibly reduces signs of shedding for thicker, fuller-looking hair.
CA$30.00
5
Best Value
16% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generic
16% Off

Minoxidil Hair Serum Spray, 5% Minoxidil Serum for Healthier, Thicker Hair and Beard - 60ml

Generic

CA$29.99

CA$35.99
(16% Off)

More Details
Main highlights
- unique Formula : Minoxidil Hair Growth Serum features a proprietary formula with minoxidil and biotin to promote hair groth
- Minoxidil for Men and Women
- Hair Serum for Enhanced Stength , Thickness,and Length
- Benefit : Formulated for both men and women to target hair loss and thinning
CA$29.99
CA$35.99 (16% Off)

5 Best Regrowth Hair Serums of 2025

Nioxin Fall Defense Intensive Daily Leave-In Treatment | With Niacinamide, Caffeine, Lauric Acid & Sandalore | For Thicker, Stronger Hair | 2.3 Fl Oz

Nioxin Night Density Rescue Serum for Overnight Hair Thickening | Protects Against Hair Breakage | Intensive Treatment with Oxydine | 2.4 Fl Oz

Rosemary Oil for Hair: Rosemary Hair Serum Infused With Castor Oil for Thicker, Stronger Hair - Hair Serum Nourishing Dryness for Both Men and Women

VERB Density Peptide Serum, 1 fl oz - Visibly Thicken + Reduce Signs of Shedding- No Parabens or Harmful Sulfates

Minoxidil Hair Serum Spray, 5% Minoxidil Serum for Healthier, Thicker Hair and Beard - 60ml

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