Ouai Hair Oil Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Ouai Hair Oil sales on Amazon US totaled 309,000 units in July 2026 (▼ 40.3% vs. the prior month), generating an estimated $7,796,470 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 45.0% of unit volume and 36.1% of revenue, while a typical listing is priced at $28.26. The keyword itself pulled 20,375 Amazon queries over the same period (▲ 15.3% MoM).
Zooming out to the 12-month window ending July 2026, the ouai hair oil Top 50 moved 4,038,000 units and $99,445,480 in cumulative sales — an average of 336,500 units and $8,287,123 per month. Monthly throughput topped out at 517,500 units in June 2026 and dipped to 209,000 in May 2026, leaving the latest reading 0.3% lower than August 2025.
Ouai Hair Oil Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
309K
▼ 40.3% MoM
Monthly Revenue 2026/07
$7.8M
▼ 41.1% MoM
Top 10 Market Share 2026/07
45.0%
Ouai Hair Oil Market Share & Sales Concentration on Amazon US — July 2026
The most-sold ouai hair oil listing on Amazon US in July 2026 is ASIN B07N7PK9QK (Brand: Mielle Organics), which sold 40,000 units at $9.94 apiece — equal to 12.9% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 139,000 units and $2,818,380 in July 2026 — 45.0% of unit volume and 36.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Ouai Hair Oil' on Amazon
July 2026









Is 45.0% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

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
40K
▼ 33.3%vs. prior month
$385.2K
latest month
12-month trend

B07VR1NDSQ
Olaplex °7 Bonding Hair Oil | High Shine, 450°F Heat Protectant
20K
▼ 71.4%vs. prior month
$640K
latest month
12-month trend

B001AO0WCG
Moroccanoil Treatment Hair Oil
10K
▼ 50.0%vs. prior month
$459.1K
latest month
12-month trend

B003JKFEL8
Moroccanoil Treatment Hair Oil
10K
▲ 0.0%vs. prior month
$189.7K
latest month
12-month trend

B0048EZNR4
OGX Renewing + Argan Oil of Morocco, Cold-Pressed Argan Oil for Hair Penetrating Treatment & Shine, Moisturizing & Strengthening Silky Oil for All Hair Types, Paraben & Sulfate Free, 3.3 fl oz
10K
▼ 66.7%vs. prior month
$78.9K
latest month
12-month trend

B005DYJSCO
OGX Renewing + Argan Oil of Morocco Weightless Healing Dry Oil Spray, Lightweight Hair Oil Mist for Split Ends, Frizzy Hair and Flyaways, Paraben-Free, Sulfated-Surfactants Free, 4 Fl Oz
10K
▲ 0.0%vs. prior month
$78.7K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Ouai Hair Oil Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Mielle Organics is the best-performing ouai hair oil brand in July 2026, moving 40,000 units across 1 ASIN for 28.8% of Top 10 volume. Olaplex follows with 20,000 units (14.4%), ahead of Moroccanoil on 20,000 units (14.4%).
Volume is spread across 7 brands, with the top three holding 57.6% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.94 to $32.00, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Mielle Organics
1 ASIN in Top 10
28.8%
Units
40K
Revenue
$385.2K
Avg. price
$9.94

B07N7PK9QK
$9.94·★4.5·122.1K revsMielle 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
Olaplex
1 ASIN in Top 10
14.4%
Units
20K
Revenue
$640K
Avg. price
$32.00

B07VR1NDSQ
$32.00·★4.7·61.3K revsOlaplex °7 Bonding Hair Oil | High Shine, 450°F Heat Protectant
Units sold20K
Moroccanoil
2 ASINs in Top 10
14.4%
Units
20K
Revenue
$648.8K
Avg. price
$29.95

B001AO0WCG
$39.90·★4.7·91.7K revsMoroccanoil Treatment Hair Oil
Units sold10K
B003JKFEL8
$20.00·★4.7·91.7K revsMoroccanoil Treatment Hair Oil
Units sold10K
Trending Ouai Hair Oil Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B084C2PC69 booked 10K units at $34.00, with ▲ 0.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B084C2PC69
OUAI Detox Shampoo - Clarifying Shampoo for Build Up (10 Fl Oz) | Dirt, Oil, Product and Hard Water - Apple Cider Vinegar & Keratin for Clean, Refreshed Hair - Sulfate-Free Hair Care
Price
$34.00
Rating
4.6
Reviews
7.1K
Latest month sales

B0CGS2D8J8
Dr. Groot Miracle in Shower Moisturizing Treatment for Hair Loss, Korean Hair Care Rinse, Rosemary Oil for Smooth, Healthier-Looking Hair in 5 Seconds, Scalp Revitalizing Solution
Price
$27.99
Rating
4.4
Reviews
2.1K
Latest month sales

B0083H8ASG
L'Oréal Paris Elvive Extraordinary Oil Miracle Hair Serum, Intense Nourishment, Up to 6x more Shine, up to 230° heat protection, suitable for all hair types, 100ml
Unlock to view ASIN details and product titles
Price
$17.35
Rating
4.7
Reviews
10.5K
Latest month sales
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