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Best Hair Growth Serum

Eight top picks — ranked by authentic reviews, current price, reduces hair shedding, and promotes new hair growth.

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Top Rated

All picks, best reviews first.

The Ordinary Multi-Peptide Serum for Hair Density
Best Pick

The Ordinary Multi-Peptide Serum for Hair Density

This concentrated peptide solution delivers intense nourishment to the roots at an accessible price point, reducing thinning and promoting visibly denser growth.

Reduces hair fallPromotes baby hair growthImproves overall density8.4

Matches reduces hair shedding · promotes new hair growth

Best price

$21.01

View pricesFull analysis

More hair growth serum

Sorted by overall review score — not by sponsorship.

Act+Acre Cold Processed Stem Cell Scalp Serum

Act+Acre Cold Processed Stem Cell Scalp Serum

Utilizing apple stem cell technology, Act+Acre maximizes scalp health to dramatically decrease hair fallout and boost robust follicle renewal.

Relieves scalp itchLightweight non-greasy formulaReduces hair shedding7.8

Matches reduces hair shedding · promotes new hair growth

Best price

$245.62

View pricesFull analysis
Vegamour GRO Hair Serum

Vegamour GRO Hair Serum

Vegamour GRO targets early thinning by stimulating dormant follicles with plant peptides, noticeably reducing fallout within 90 days.

Lightweight non-greasy textureReduces hair sheddingVisible baby hair growth6.7

Matches reduces hair shedding · promotes new hair growth

Best price

$49

View pricesFull analysis
Nutrafol Hair Serum

Nutrafol Hair Serum

Nutrafol uses patent-pending botanical exosomes to nourish the scalp microenvironment, effectively curbing daily shedding while supporting stronger regrowth.

Thicker hair qualityReduced hair sheddingIncludes natural ingredients6.2

Matches reduces hair shedding · promotes new hair growth

Best price

$88

View pricesFull analysis
Kérastase Genesis Initialiste Advanced Scalp and Hair Serum

Kérastase Genesis Initialiste Advanced Scalp and Hair Serum

Designed specifically for fall-prone hair, this luxury serum reinforces fiber strength at the root to minimize excess shedding while supporting natural regrowth.

Reduced hair sheddingVisible new growthLightweight application5.2

Matches reduces hair shedding · promotes new hair growth

Best price

$35.20

View pricesFull analysis
Briogeo Destined for Density Peptide Hair Density Serum

Briogeo Destined for Density Peptide Hair Density Serum

Formulated with biotin, zinc, and stimulating copper peptides, this lightweight treatment strengthens weakened roots and helps encourage denser, fuller strands.

Great base formulaPromising active ingredients4.2

Matches reduces hair shedding · promotes new hair growth

Best price

$146.52

View pricesFull analysis
Divi Scalp Serum

Divi Scalp Serum

Divi blends peptides, amino acids, and soothing botanicals to foster an optimal scalp environment that curbs excessive shedding and supports new growth.

Lightweight non-greasy textureRelieves scalp itchingNoticable cooling sensation4.2

Matches reduces hair shedding · promotes new hair growth

Best price

$22

View pricesFull analysis
Nioxin Night Density Rescue Intensive Treatment

Nioxin Night Density Rescue Intensive Treatment

Nioxin utilizes an antioxidant-packed formula to neutralize oxidative stress on the scalp while you sleep, preventing loss and boosting strand density.

Works overnight via antioxidantsReduces oxidation-induced sheddingNoticeably thickens strand diameter

Matches reduces hair shedding · promotes new hair growth

Best price

$6,174

View pricesFull analysis

Lowest Price

All picks, cheapest first.

The Ordinary Multi-Peptide Serum for Hair Density

The Ordinary Multi-Peptide Serum for Hair Density

This concentrated peptide solution delivers intense nourishment to the roots at an accessible price point, reducing thinning and promoting visibly denser growth.

Reduces hair fallPromotes baby hair growthImproves overall density8.4

Matches reduces hair shedding · promotes new hair growth

Best price

$21.01

View pricesFull analysis

More hair growth serum

Sorted by price — not by sponsorship.

Divi Scalp Serum

Divi Scalp Serum

Divi blends peptides, amino acids, and soothing botanicals to foster an optimal scalp environment that curbs excessive shedding and supports new growth.

Lightweight non-greasy textureRelieves scalp itchingNoticable cooling sensation4.2

Matches reduces hair shedding · promotes new hair growth

Best price

$22

View pricesFull analysis
Kérastase Genesis Initialiste Advanced Scalp and Hair Serum

Kérastase Genesis Initialiste Advanced Scalp and Hair Serum

Designed specifically for fall-prone hair, this luxury serum reinforces fiber strength at the root to minimize excess shedding while supporting natural regrowth.

Reduced hair sheddingVisible new growthLightweight application5.2

Matches reduces hair shedding · promotes new hair growth

Best price

$35.20

View pricesFull analysis
Vegamour GRO Hair Serum

Vegamour GRO Hair Serum

Vegamour GRO targets early thinning by stimulating dormant follicles with plant peptides, noticeably reducing fallout within 90 days.

Lightweight non-greasy textureReduces hair sheddingVisible baby hair growth6.7

Matches reduces hair shedding · promotes new hair growth

Best price

$49

View pricesFull analysis
Nutrafol Hair Serum

Nutrafol Hair Serum

Nutrafol uses patent-pending botanical exosomes to nourish the scalp microenvironment, effectively curbing daily shedding while supporting stronger regrowth.

Thicker hair qualityReduced hair sheddingIncludes natural ingredients6.2

Matches reduces hair shedding · promotes new hair growth

Best price

$88

View pricesFull analysis
Briogeo Destined for Density Peptide Hair Density Serum

Briogeo Destined for Density Peptide Hair Density Serum

Formulated with biotin, zinc, and stimulating copper peptides, this lightweight treatment strengthens weakened roots and helps encourage denser, fuller strands.

Great base formulaPromising active ingredients4.2

Matches reduces hair shedding · promotes new hair growth

Best price

$146.52

View pricesFull analysis
Act+Acre Cold Processed Stem Cell Scalp Serum

Act+Acre Cold Processed Stem Cell Scalp Serum

Utilizing apple stem cell technology, Act+Acre maximizes scalp health to dramatically decrease hair fallout and boost robust follicle renewal.

Relieves scalp itchLightweight non-greasy formulaReduces hair shedding7.8

Matches reduces hair shedding · promotes new hair growth

Best price

$245.62

View pricesFull analysis
Nioxin Night Density Rescue Intensive Treatment

Nioxin Night Density Rescue Intensive Treatment

Nioxin utilizes an antioxidant-packed formula to neutralize oxidative stress on the scalp while you sleep, preventing loss and boosting strand density.

Works overnight via antioxidantsReduces oxidation-induced sheddingNoticeably thickens strand diameter

Matches reduces hair shedding · promotes new hair growth

Best price

$6,174

View pricesFull analysis

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Frequently asked questions

Everything you need to know before choosing.

01

What is the best Hair Growth Serum?

The Ordinary Multi-Peptide Serum for Hair Density (scores 8.4/10). This concentrated peptide solution delivers intense nourishment to the roots at an accessible price point, reducing thinning and promoting visibly denser growth.

02

Which Hair Growth Serum is best for reduces hair shedding?

The Ordinary Multi-Peptide Serum for Hair Density is the top pick for reduces hair shedding.

03

Which Hair Growth Serum is best for promotes new hair growth?

The Ordinary Multi-Peptide Serum for Hair Density is the top pick for promotes new hair growth.

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