Rennora Hair Growth Serum Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

July 2026

Rennora Hair Growth Serum sales on Amazon US totaled 328,700 units in July 2026 (▼ 9.3% vs. the prior month), generating an estimated $10,368,552 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 57.5% of unit volume and 65.1% of revenue, while a typical listing is priced at $29.17. The keyword itself pulled 8,292 Amazon queries over the same period (▼ 33.9% MoM).

Zooming out to the 12-month window ending July 2026, the rennora hair growth serum Top 50 moved 3,850,500 units and $121,761,055 in cumulative sales — an average of 320,875 units and $10,146,755 per month. Monthly throughput topped out at 385,400 units in February 2026 and dipped to 194,900 in May 2026, leaving the latest reading 12.2% higher than August 2025.

3.9MTotal units sold · Last 12 months
$121.8MTotal revenue · Last 12 months
8.3K▼ 33.9% MoM
Monthly search volume
$29.17Avg. price · July 2026

Rennora Hair Growth Serum Sales Trend (Trailing 12 Months)

Based on the top 50 ASINs by monthly sales for this keyword

Sales
Revenue

2025/08

Sales292.9K
Revenue$9.4M

2025/09

Sales266.4K
Revenue$9.3M

2025/10

Sales314.4K
Revenue$11M

2025/11

Sales352.5K
Revenue$10.6M

2025/12

Sales305.8K
Revenue$9.7M

2026/01

Sales346.6K
Revenue$10.6M

2026/02

Sales385.4K
Revenue$11.8M

2026/03

Sales370.9K
Revenue$11.1M

2026/04

Sales329.7K
Revenue$10.2M

2026/05

Sales194.9K
Revenue$6.3M

2026/06

Sales362.3K
Revenue$11.3M
328.7K

2026/07

Sales328.7K
Revenue$10.4M
25/0925/1126/0126/0326/0526/07
ASINSIGHT
Source: www.asinsight.com

Monthly Sales 2026/07

328.7K

▼ 9.3% MoM

Monthly Revenue 2026/07

$10.4M

▼ 8.2% MoM

Top 10 Market Share 2026/07

57.5%

See the Top 10 ASINs driving 57.5% of sales

Rennora Hair Growth Serum Market Share & Sales Concentration on Amazon US — July 2026

The most-sold rennora hair growth serum listing on Amazon US in July 2026 is ASIN B07N7PK9QK (Brand: Mielle Organics), which sold 40,000 units at $9.94 apiece — equal to 12.2% of every unit tracked in this report.

The Top 10 ASINs account for 189,000 units and $6,752,100 in July 2026 — 57.5% of unit volume and 65.1% of revenue among all 50 ranked ASINs in this report.

Sales Volume of Top ASINs for 'Rennora Hair Growth Serum' on Amazon

July 2026
ASINSIGHT Logo
57.5% Volume Share 189K units sold
65.1% Revenue Share $6.8M estimated
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Top 5 Volume Share breakdown

B07N7PK9QK 12.2%
B09RKDGYJD 12.2%
B00LTZEEGQ 9.1%
B09WMT8HYB 6.1%
B0000Y8H3S 3.0%
Others 57.4%
#1
Mielle Organics Rosemary Mint Hair Oil with Biotin, 2 oz | Hair strengthening oil, with biotin & castor oil, dry scalp care, split end support, frizz smoothing

B07N7PK9QK

Mielle Organics Rosemary Mint Hair Oil with Biotin, 2 oz | Hair strengthening oil, with biotin & castor oil, dry scalp care, split end support, frizz smoothing

$9.94· 4.5·122K reviews
Monthly Sales

40K

▼ 33.3%

vs. prior month

Revenue

$385.2K

latest month

Monthly Trend

12-month trend

#2
Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps | Hair, Skin & Nails Vitamins - Clinically Tested Supplement for Men & Women - 25000mcg Vitamins B1, B2, B3, B6 & B7

B09RKDGYJD

Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps | Hair, Skin & Nails Vitamins - Clinically Tested Supplement for Men & Women - 25000mcg Vitamins B1, B2, B3, B6 & B7

$25.19· 4.5·17.9K reviews
Monthly Sales

40K

▲ 0.0%

vs. prior month

Revenue

$1.1M

latest month

Monthly Trend

12-month trend

#3
Nutrafol Men Hair Growth Supplements, Ages 18-49

B00LTZEEGQ

Nutrafol Men Hair Growth Supplements, Ages 18-49

$88.00· 3.9·5.8K reviews
Monthly Sales

30K

▲ 0.0%

vs. prior month

Revenue

$2.6M

latest month

Monthly Trend

12-month trend

#4
The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair

B09WMT8HYB

The Ordinary Multi-Peptide Serum for Hair Density, Peptide-Powered Formula for Thicker, Fuller Looking Hair

$24.00· 3.9·1.6K reviews
Monthly Sales

20K

▼ 33.3%

vs. prior month

Revenue

$480K

latest month

Monthly Trend

12-month trend

#5
Men's Rogaine Extra Strength 5% Minoxidil Topical Solution, 3 x 2 fl. oz | Hair Loss & Regrowth Topical Treatment for Men, Unscented, Follicle Booster Liquid, 3-Month Supply

B0000Y8H3S

Men's Rogaine Extra Strength 5% Minoxidil Topical Solution, 3 x 2 fl. oz | Hair Loss & Regrowth Topical Treatment for Men, Unscented, Follicle Booster Liquid, 3-Month Supply

$49.97· 4.2·13.4K reviews
Monthly Sales

10K

▲ 0.0%

vs. prior month

Revenue

$499.7K

latest month

Monthly Trend

12-month trend

#6
Botanic Hearth Rosemary Oil for Hair Growth - 6.7 Fl oz | Enriched with Biotin, Castor & Jojoba | Hair Relaxers & Dry Scalp Treatment | Color Safe | Suitable For All Hair Types

B0C6XJMSGP

Botanic Hearth Rosemary Oil for Hair Growth - 6.7 Fl oz | Enriched with Biotin, Castor & Jojoba | Hair Relaxers & Dry Scalp Treatment | Color Safe | Suitable For All Hair Types

$17.99· 4.4·20.8K reviews
Monthly Sales

10K

▲ 0.0%

vs. prior month

Revenue

$179.3K

latest month

Monthly Trend

12-month trend

Unlock to view all Top 50 ASIN competitors and their sales contributions

Best Rennora Hair Growth Serum Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)

Mielle Organics is the best-performing rennora hair growth serum brand in July 2026, moving 40,000 units across 1 ASIN for 21.2% of Top 10 volume. NUTRAHARMONY follows with 40,000 units (21.2%), ahead of Nutrafol on 39,000 units (20.6%).

With 8 brands splitting the Top 10 and 63.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $9.94 to $88.00, which frames the price band a competing listing has to justify.

Brand share of Top 10 volume

21.2%
21.2%
20.6%
37.0%
Mielle Organics
NUTRAHARMONY
Nutrafol
Other brands
1

Mielle Organics

1 ASIN in Top 10

21.2%

Units

40K

Revenue

$385.2K

Avg. price

$9.94

  • Mielle Organics Rosemary Mint Hair Oil with Biotin, 2 oz | Hair strengthening oil, with biotin & castor oil, dry scalp care, split end support, frizz smoothing

    B07N7PK9QK

    $9.94·4.5·122K revs

    Mielle Organics Rosemary Mint Hair Oil with Biotin, 2 oz | Hair strengthening oil, with biotin & castor oil, dry scalp care, split end support, frizz smoothing

    Units sold40K
2

NUTRAHARMONY

1 ASIN in Top 10

21.2%

Units

40K

Revenue

$1.1M

Avg. price

$25.19

  • Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps | Hair, Skin & Nails Vitamins - Clinically Tested Supplement for Men & Women - 25000mcg Vitamins B1, B2, B3, B6 & B7

    B09RKDGYJD

    $25.19·4.5·17.9K revs

    Biotin, Collagen, Hyaluronic Acid & Keratin - Hair Growth Support - 60 Caps | Hair, Skin & Nails Vitamins - Clinically Tested Supplement for Men & Women - 25000mcg Vitamins B1, B2, B3, B6 & B7

    Units sold40K
3

Nutrafol

2 ASINs in Top 10

20.6%

Units

39K

Revenue

$3.4M

Avg. price

$88.00

  • Nutrafol Men Hair Growth Supplements, Ages 18-49

    B00LTZEEGQ

    $88.00·3.9·5.8K revs

    Nutrafol Men Hair Growth Supplements, Ages 18-49

    Units sold30K
  • Nutrafol Women Hair Growth Supplements, Ages 18-44

    B0B61TZ676

    $88.00·4.3·2.3K revs

    Nutrafol Women Hair Growth Supplements, Ages 18-44

    Units sold9K

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