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5 Best Hair Growth 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.

KÉRASTASE

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

KÉRASTASE

CA$95.00

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Main highlights
- Continually strengthens to create nourished & healthy hair. Lightweight formula that will not leave residue
CA$95.00
2
Best Value

✖
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 Homme, Hair Thickening Fortifying Serum, For Weakened & Thin, With Aminexil, 90 ml

KÉRASTASE

CA$95.00

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Main highlights
- Slows down shedding process.
- Re-anchor the hair fiber to the root for strong hair
- Helps preserve the scalp’s natural protective skin barrier.
CA$95.00
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$21.99

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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$21.99
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.

Botanic Hearth

Botanic Hearth Rosemary Rice Water Hair Spray 6.8 fl oz | Hair Oil & Skin Serum | Strengthen, Moisturize & Thicken Naturally | for Dry, Oily, Flaky, Thinning, Damaged Hair Oil for all Hair Types

Botanic Hearth

CA$17.99

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Main highlights
- Strengthens and Conditions: Rice water and Rosemary water work together to strengthen hair and improve its texture.
- Nourishes and Refreshes: Infused with Rice water and rosemary, this spray revitalises and hydrates hair for a healthier look.
- Hydration On the Go : The powerful blend of Rosemary water and Fermented rice water Deeply Hydrates Hair & Scalp.
- Enhances Hair : Combines rice water and rosemary water to support natural hair and strengthen hair
- Convenient Hair Care: Easily apply with our rice water hair spray for a quick boost of nourishment. best for mothers day gifts for mom
CA$17.99
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.

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

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

Kérastase Genesis Homme, Hair Thickening Fortifying Serum, For Weakened & Thin, With Aminexil, 90 ml

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 Rosemary Rice Water Hair Spray 6.8 fl oz | Hair Oil & Skin Serum | Strengthen, Moisturize & Thicken Naturally | for Dry, Oily, Flaky, Thinning, Damaged Hair Oil for all Hair Types

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

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