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5 Best Hair Growth Serums of 2025

Last Updated - 2025/06/27

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.

KÉRASTASE

Kérastase Genesis Hair Serum, Nourishing Fortifying Leave-In, For Weakened Hair, With Ginger Root Edelweiss Flower, 90 ml

KÉRASTASE

CA$89.00

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Main highlights
- Continually strengthens to create nourished & healthy hair. Lightweight formula that will not leave residue
CA$89.00
2
Best Value
13% 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.

Bare Anatomy
13% Off

Bare Anatomy Advanced Hair Growth Serum | 3% Redensyl + 4% Anagain + 3% Baicapil + 1% Capilia Longa, Rosemary, Biotin & Rice Extract | Hair growth & Hair fall control serum for Women & Men | 30mL

Bare Anatomy

CA$47.83

CA$55.24
(13% Off)

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- UP TO 89% HAIR LOSS REDUCTION**: Powered with 3% Baicapil, 1% Capilia Longa & Rosemary. This serum reduces breakage & hair loss by enhancing the keratin composition in hair which helps to strengthen hair and improve hair elasticity. **Based on in vivo study conducted by the proprietary owner of Capilia Longa for 150 days, individual results may vary
- NON GREASY & EASY TO ABSORB: Unlike other hair growth serums which are sticky in texture and lead to greasy hair over time, this serum is lightweight, non greasy and absorbs easily without making hair greasy hence can be applied anytime without the fear of stepping out.
- NATURAL HAIR GROWTH INGREDIENTS: Blended with the clinical formulation are 3 natural hair growth ingredients: Rosemary, Biotin & Rice extract that strengthen weak hair, prevents breakage and reduces dryness thereby ensuring healthy hair growth.
- CLINICAL HAIR GROWTH ACTIVES: This potent formula is meticulously developed through numerous refinements to stimulate hair growth, featuring a combination of 3% Redensyl, 4% Anagain, 3% Baicapil, and 1% Capilia Longa. This unique blend enhances hair growth by extending the duration of the anagen phase.
- 97% OBSERVED Hair Density IN 45 DAYS*: This clinical formulation is made with a blend of 4 dermatologically approved hair growth actives: Redensyl, Anagain, Baicapil & Capilia Longa along with 3 natural hair growth ingredients: Rosemary, Biotin & Rice extract. It boosts hair density and regenerates new hair by restarting the hair growth cycle. *Based on consumer feedback after 90 days of product usage
CA$47.83
CA$55.24 (13% Off)
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.

Botanic Hearth

Botanic Hearth 100% Pure Rosemary Oil For Hair Growth (6.7 fl oz) Infused With Biotin, Jojoba & Castor Oil | Hair strengthening Treatment | Nourishing & Volumizing | Non GMO Verified

Botanic Hearth

CA$20.95

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Main highlights
- Helps Promote Hair Thickening: Botanic Hearth Rosemary Cold Pressed Hair Oil, made with organic rosemary, helps thicken hair strands by strengthening hair follicles and fighting hair breakage
- Helps Promote Hair Growth: The organic rosemary oil for hair growth is infused with ingredients like biotin, jojoba, and castor oils, all of which work together to nourish the scalp and promote stronger, healthier hair
- Helps Fight Dandruff: The hair growth oil for women, containing rosemary essential oil for hair growth, helps soothe and nourish the scalp, reducing inflammation and dryness that contribute to dandruff
- Ethically Sourced & Cruelty-free: Botanic Hearth products, including their rosemary hair oil organic, are ethically sourced, cruelty-free, paraben-free, sulfate-free, and free from harsh chemicals, offering a cleaner, more sustainable choice for hair care
- Deep Hydration: The nourishing ingredients in this oil, such as natural rosemary oil, provide deep hydration and improve hair texture, thereby enhancing overall hair health
CA$20.95
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.

uikeaft

Hair Oil: Rice Water for Hair with Caffeine Biotin Castor Oil - Hair Serum for Thicker, Fuller Hair, Hair Care Women and Men 60ml

uikeaft

CA$19.99

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Main highlights
- Rice Water for Hair with Caffeine Biotin Castor Oil
- Hair Serum for Thicker and Fuller Hair
- Hair Serum
- Hair Oil
- Hair Care for Women and Men
CA$19.99
5

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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.

Psalmonica

Hair Oil: Rice Water with Rosemary Caffeine Biotin Castor Oil for Hair -Hair Serum for Thickness Stronger Healthy Hair Women Men (Travel Size - 50ml (Pack of 1))

Psalmonica

CA$23.99

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Main highlights
- Rice Water for Hair
CA$23.99

5 Best Hair Growth Serums of 2025

Kérastase Genesis Hair Serum, Nourishing Fortifying Leave-In, For Weakened Hair, With Ginger Root Edelweiss Flower, 90 ml

Bare Anatomy Advanced Hair Growth Serum | 3% Redensyl + 4% Anagain + 3% Baicapil + 1% Capilia Longa, Rosemary, Biotin & Rice Extract | Hair growth & Hair fall control serum for Women & Men | 30mL

Botanic Hearth 100% Pure Rosemary Oil For Hair Growth (6.7 fl oz) Infused With Biotin, Jojoba & Castor Oil | Hair strengthening Treatment | Nourishing & Volumizing | Non GMO Verified

Hair Oil: Rice Water for Hair with Caffeine Biotin Castor Oil - Hair Serum for Thicker, Fuller Hair, Hair Care Women and Men 60ml

Hair Oil: Rice Water with Rosemary Caffeine Biotin Castor Oil for Hair -Hair Serum for Thickness Stronger Healthy Hair Women Men (Travel Size - 50ml (Pack of 1))

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Castor Oil 60ml (2oz) Organic, Extra Strength, Serum for Eyelashes, Eyebrows, Hair Growth - 100% Pure, Hexane-Free Cold-Pressed - Natural Conditioner, Skin Moisturizer, Laxative for Men & Women. FREE Eyelash wand tube

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