Best Selling K18 Set: See Top Product Rankings by Sales Volume & Market Trends

June 2026
126 Products Tracked

Looking for the most popular k18 set products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "k18 set." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B09HR5KSR8 currently leads the k18 set market with 40K monthly sales, followed closely by B0D4SBLLRJ with 40K monthly sales and B0BZZJWGPQ with 20K monthly sales. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales June 2026
K18 Leave-In Molecular Repair Hair Mask, Patented, Lasting Repair For Dry, Frizzy, Damaged Hair, Reverse Damage In 4 Minutes From Bleach, Color, Chemical Services + Heat
1
B09HR5KSR8
$29.00·
4.3
Units/sold40K
Olaplex Wash and Shine Hair Kit: N°.4, 5, 7, Shampoo & Conditioner Set | Cleanse, Hydrate, & Control Frizz Up to 72 Hours | Bonding Oil for Shine & Protect | For Coily, Curly, Straight, and Wavy
2
B0D4SBLLRJ
$47.60·
4.6
Units/sold40K
Kerastase Nutritive 8H Magic Night Serum - Overnight Treatment for Dry Hair, Enhances Shine, Nourishes and Reduces Frizz, With Plant-Based Proteins
3
B0BZZJWGPQ
$62.00·
4.6
Units/sold20K

Top Selling K18 Set

As of June 2026, we analyzed 126 tracked products in Amazon's "k18 set" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 10,000 and 40,000 monthly sales. B09HR5KSR8 leads the k18 set market with an estimated 40,000 monthly sales, down 50.0% from the previous month.

126Products Tracked
18,000Top 10 Avg. Sales
$40.08Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
K18 Leave-In Molecular Repair Hair Mask, Patented, Lasting Repair For Dry, Frizzy, Damaged Hair, Reverse Damage In 4 Minutes From Bleach, Color, Chemical Services + Heat
#1
B09HR5KSR8

K18 Leave-In Molecular Repair Hair Mask, Patented, Lasting Repair For Dry, Frizzy, Damaged Hair, Reverse Damage In 4 Minutes From Bleach, Color, Chemical Services + Heat

40,000
▼ 50.0%
Units Sold/mo
$29.00
Price
4.3
Rating
30.2K
Reviews
2
Olaplex Wash and Shine Hair Kit: N°.4, 5, 7, Shampoo & Conditioner Set | Cleanse, Hydrate, & Control Frizz Up to 72 Hours | Bonding Oil for Shine & Protect | For Coily, Curly, Straight, and Wavy
B0D4SBLLRJ
$47.60
4.6 (5.3K)
Olaplex Wash and Shine Hair Kit: N°.4, 5, 7, Shampoo & Conditioner Set | Cleanse, Hydrate, & Control Frizz Up to 72 Hours | Bonding Oil for Shine & Protect | For Coily, Curly, Straight, and Wavy
40,000 Units Sold/mo
3
Kerastase Nutritive 8H Magic Night Serum - Overnight Treatment for Dry Hair, Enhances Shine, Nourishes and Reduces Frizz, With Plant-Based Proteins
B0BZZJWGPQ
$62.00
4.6 (9.2K)
Kerastase Nutritive 8H Magic Night Serum - Overnight Treatment for Dry Hair, Enhances Shine, Nourishes and Reduces Frizz, With Plant-Based Proteins
20,000 Units Sold/mo▼ 44.4%
4
Olaplex N°.3PLUS Complete Repair Treatment: 3-minute Pre-shampoo Treatment to Immediately Repair Hair Damage for Softer, Stronger Hair | For Coily, Curly, Straight, and Wavy
B0GHSXYY3Z
$34.00
4.4 (563)
Olaplex N°.3PLUS Complete Repair Treatment: 3-minute Pre-shampoo Treatment to Immediately Repair Hair Damage for Softer, Stronger Hair | For Coily, Curly, Straight, and Wavy
20,000 Units Sold/mo▼ 10.0%
5
Elizavecca cer-100 collagen coating hair protein treatment 100ml
B01I2ZQJSG
$6.75
4.5 (63.9K)
Elizavecca cer-100 collagen coating hair protein treatment 100ml
10,000 Units Sold/mo
10
amika Hydro Rush Intense Moisture Leave-In Conditioner with Hyaluronic Acid
B0DT27RCG3
$14.00
4.5 (4.2K)
amika Hydro Rush Intense Moisture Leave-In Conditioner with Hyaluronic Acid
10,000 Units Sold/mo▼ 50.0%
View All 126 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the k18 set price landscape, we segmented all 126 tracked listings in Amazon's live "k18 set" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $20.00 ~ $50.00 band is the category's best k18 set price zone, absorbing 48% of the assortment (183 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the k18 set category.

Top 3 Price Tiers

$20.00 ~ $50.00 is the most competitive price tier, containing 48% of tracked products.

Sweet Spot
$20.00 ~ $50.00
Tier 1
48%
183 products

Top products in this price tier

#1
B09HR5KSR8
$29.00
40k Units Sold/mo
Unlock Top Performers
#2
$50.00 ~ $100.00
Tier 2
29%
113 products
$10.00 ~ $20.00
Tier 3
13%
48 products
$100.00 ~ $200.00
6%
Unlock to view all price tier distributions and their ASIN sales contributions

"K18 set" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "k18 set" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-06-14 to 2026-06-20, the Amazon USweekly search volume for "k18 set" was approximately 119 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #1,405,151, climbing 90,343 positions from the previous week. Additionally, the top 3 products for this keyword capture 40.4% of the total click share and 30% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

k18 set

ASINSIGHT
Search Frequency Rank
1,405,151
90,343
Search Volume
119
7.2%
Top 3 Click Share
40.4%
Top 3 Conv. Share
30%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
119
View full trends for the past 3 years
JunJulAugSepOctNovDecJanFebMarAprMayJun
Multi-Dimensional Data

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