K18 Shampoo And Conditioner Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
K18 Shampoo And Conditioner sales on Amazon US totaled 475,000 units in July 2026 (▼ 43.2% vs. the prior month), generating an estimated $16,163,490 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 42.1% of unit volume and 33.0% of revenue, while a typical listing is priced at $37.65. The keyword itself pulled 17,111 Amazon queries over the same period (▲ 19.2% MoM).
Zooming out to the 12-month window ending July 2026, the k18 shampoo and conditioner Top 50 moved 5,767,300 units and $195,674,068 in cumulative sales — an average of 480,608 units and $16,306,172 per month. Monthly throughput topped out at 837,000 units in June 2026 and dipped to 285,000 in May 2026, leaving the latest reading 12.0% higher than August 2025.
K18 Shampoo And Conditioner 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
475K
▼ 43.2% MoM
Monthly Revenue 2026/07
$16.2M
▼ 45.0% MoM
Top 10 Market Share 2026/07
42.1%
K18 Shampoo And Conditioner Market Share & Sales Concentration on Amazon US — July 2026
The most-sold k18 shampoo and conditioner listing on Amazon US in July 2026 is ASIN B09HR5KSR8 (Brand: K18), which sold 50,000 units at $29.00 apiece — equal to 10.5% of every unit tracked in this report and 2.5× the volume of the No. 2 listing.
The Top 10 ASINs account for 200,000 units and $5,326,600 in July 2026 — 42.1% of unit volume and 33.0% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'K18 Shampoo And Conditioner' on Amazon
July 2026
Is 42.1% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
Powered by ASINSIGHT MCP · Grounded in ASINSIGHT Amazon data
Top 5 Volume Share breakdown
B09HR5KSR8
K18 Leave-In Molecular Repair Hair Mask
50K
▲ 25.0%vs. prior month
$1.4M
latest month
12-month trend
B0BJNX6R5X
L'Oreal Paris Elvive Hyaluron Plump Shampoo and Conditioner Set for Dry, Dehydrated Hair, 72H Hydrating Hair Care, Infused with Hyaluronic Acid Complex, 53 Fl Oz Set
20K
▼ 33.3%vs. prior month
$389.8K
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
B0891843GC
Pureology Hydrate Shampoo – Moisturizes & Nourishes Dry Hair, Sulfate-Free
20K
▼ 66.7%vs. prior month
$760K
latest month
12-month trend
B08D7J83PZ
L'Oreal Paris Elvive Dream Lengths Shampoo and Conditioner Set, Seals Split Ends, Hydrating & Strengthening Hair Repair, Fine Castor Oil and Vitamins B3 and B5, 56 Fl Oz Set
20K
▼ 33.3%vs. prior month
$361K
latest month
12-month trend
B0F67KS3K1
K18 AirWash™ Dry Shampoo, Non-Aerosol, Balances Scalp & Controls Excess Oil Production
20K
▲ 100.0%vs. prior month
$480K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best K18 Shampoo And Conditioner Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
K18 is the best-performing k18 shampoo and conditioner brand in July 2026, moving 70,000 units across 2 ASINs for 35.0% of Top 10 volume. L'Oreal Paris follows with 50,000 units (25.0%), ahead of Olaplex on 30,000 units (15.0%).
With 6 brands splitting the Top 10 and 75.0% 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 $20.30 to $32.50, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
K18
2 ASINs in Top 10
35.0%
Units
70K
Revenue
$1.9M
Avg. price
$26.50
B09HR5KSR8
$29.00·★4.3·31.6K revsK18 Leave-In Molecular Repair Hair Mask
Units sold50KB0F67KS3K1
$24.00·★4.4·2.1K revsK18 AirWash™ Dry Shampoo, Non-Aerosol, Balances Scalp & Controls Excess Oil Production
Units sold20K
L'Oreal Paris
3 ASINs in Top 10
25.0%
Units
50K
Revenue
$960.6K
Avg. price
$20.30
B0BJNX6R5X
$20.98·★4.7·6.9K revsL'Oreal Paris Elvive Hyaluron Plump Shampoo and Conditioner Set for Dry, Dehydrated Hair, 72H Hydrating Hair Care, Infused with Hyaluronic Acid Complex, 53 Fl Oz Set
Units sold20KB08D7J83PZ
$18.94·★4.6·20.8K revsL'Oreal Paris Elvive Dream Lengths Shampoo and Conditioner Set, Seals Split Ends, Hydrating & Strengthening Hair Repair, Fine Castor Oil and Vitamins B3 and B5, 56 Fl Oz Set
Units sold20KB0842YG95G
$20.98·★4.6·27.9K revsL'Oreal Paris Elvive Total Repair 5 Damage Reversing Shampoo and Conditioner Set for Dry and Damaged Hair, Hair Repair Formula with Protein and Ceramide, 56 Fl Oz Set
Units sold10K
Olaplex
2 ASINs in Top 10
15.0%
Units
30K
Revenue
$980K
Avg. price
$32.50
B07VR1NDSQ
$32.00·★4.7·61.3K revsOlaplex °7 Bonding Hair Oil | High Shine, 450°F Heat Protectant
Units sold20KB07D37PQGL
$32.99·★4.6·83.6K revsOlaplex N°.4 Bond Maintenance™ Strengthening Shampoo | Bond Repair | For Medium, Thick, or Coarse Hair; Daily Use for Straight, Wavy, Curly, and Coily Hair of All Porosity Levels
Units sold10K
Trending K18 Shampoo And Conditioner 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: B0F67KS3K1 booked 20K units at $24.00, with ▲ 100.0% 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.
B0F67KS3K1
K18 AirWash™ Dry Shampoo, Non-Aerosol, Balances Scalp & Controls Excess Oil Production
Price
$24.00
Rating
4.4
Reviews
2.1K
Latest month sales
B00JAHVSNM
Biolage Color Last Shampoo – For Color-Treated Hair | Soybean oil, stearic acid, vegan, paraben-free, mineral oil-free, cleanses, hydrates
Price
$26.00
Rating
4.7
Reviews
41.1K
Latest month sales
B0842YG95G
L'Oreal Paris Elvive Total Repair 5 Damage Reversing Shampoo and Conditioner Set for Dry and Damaged Hair, Hair Repair Formula with Protein and Ceramide, 56 Fl Oz Set
Unlock to view ASIN details and product titles
Price
$20.98
Rating
4.6
Reviews
27.9K
Latest month sales
One Amazon dataset. Two ways to use it.
Every number in this k18 shampoo and conditioner report comes from the Amazon market data ASINSIGHT tracks. Pick how you want to work with it.
Explore the full data
Browse the complete, structured picture in a ready-made interface — and keep tracking it as the market moves.
- Organic vs. ad traffic shifts per product
- Hourly rank and search-volume tracking
- Competitor ASINs and historical trends
Starts with a free ASINSIGHT account
Analyze the data your way
Connect the same data to ChatGPT, Claude or Cursor, then combine any dimensions to answer your own questions.
- Combine product, keyword, sales & ranking data freely
- Follow up in your own words, no fixed reports
- Works in ChatGPT, Claude & Cursor
20,000 credits/mo free, no credit card